RM38N0EC _56 Audio / Visual / Telematics _111822 AUDIO / VIDEO _0502892 AUDIO AND VISUAL SYSTEM J

AUDIO / VIDEO AUDIO AND VISUAL SYSTEM Microphone Circuit

WIRING DIAGRAM

for SFTM Made

1.135,2.833 2.417,3.323 1.281,0.49 10 false Map Light Assembly 5.875,2.969 7.083,3.365 1.208,0.396 10 false Radio and Display Receiver Assembly 5.885,2.792 6.344,2.99 0.458,0.198 10 false E136 3.646,3 5.083,3.5 1.438,0.5 10 false Telematics Transceiver 3.646,2.813 4.104,3.01 0.458,0.198 10 false E12 2.885,2.24 3.521,2.75 0.635,0.51 10 false (Shielded) 5.177,2.271 5.813,2.781 0.635,0.51 10 false (Shielded) 6.354,0.583 6.969,0.781 0.615,0.198 10 false SNS2 1.615,0.573 2.229,0.771 0.615,0.198 10 false SNS1 6.365,1.313 6.979,1.51 0.615,0.198 10 false MIN+ 6.365,1.875 6.979,2.073 0.615,0.198 10 false MIN- 6.344,2.417 6.958,2.615 0.615,0.198 10 false SGND 1.594,1.594 2.208,1.792 0.615,0.198 10 false MO1+ 1.625,1.979 2.24,2.177 0.615,0.198 10 false MO1- 1.594,1.198 2.208,1.396 0.615,0.198 10 false MAC1 3.958,1.188 4.573,1.385 0.615,0.198 10 false MCVD 4.26,1.333 4.875,1.531 0.615,0.198 10 false MCO+ 4.281,1.865 4.896,2.063 0.615,0.198 10 false MCO- 3.958,1.604 4.573,1.802 0.615,0.198 10 false MCI+ 3.969,1.979 4.583,2.177 0.615,0.198 10 false MCI- 3.958,2.406 4.573,2.604 0.615,0.198 10 false SGND 4.75,1.208 5.063,1.406 0.313,0.198 10 false 16 4.76,1.76 5.073,1.958 0.313,0.198 10 false 32 3.781,1.094 4.094,1.292 0.313,0.198 10 false 5 3.781,1.49 4.094,1.688 0.313,0.198 10 false 6 3.781,1.865 4.094,2.063 0.313,0.198 10 false 7 3.719,2.281 4.031,2.479 0.313,0.198 10 false 23 2.177,1.01 2.49,1.208 0.313,0.198 10 false 27 2.177,1.406 2.49,1.604 0.313,0.198 10 false 28 2.177,1.781 2.5,1.979 0.323,0.198 10 false 29 2.177,0.375 2.49,0.573 0.313,0.198 10 false 30 6.115,0.479 6.302,0.688 0.188,0.208 10 false 25 6.104,1.208 6.292,1.417 0.188,0.208 10 false 21 6.104,2.313 6.417,2.51 0.313,0.198 10 false 24 6.104,1.76 6.344,1.969 0.24,0.208 10 false 22 2.156,0.552 2.469,0.75 0.313,0.198 10 false Q9 2.156,1.208 2.469,1.406 0.313,0.198 10 false Q9 2.156,1.594 2.469,1.792 0.313,0.198 10 false Q9 2.167,1.958 2.479,2.156 0.313,0.198 10 false Q9 2.156,2.365 2.469,2.563 0.313,0.198 10 false Q9 1.156,0.354 1.469,0.552 0.313,0.198 10 false 1 1.167,1.01 1.479,1.208 0.313,0.198 10 false 6 1.167,1.406 1.479,1.604 0.313,0.198 10 false 4 1.167,1.781 1.479,1.979 0.313,0.198 10 false 2 1.146,0.552 1.458,0.75 0.313,0.198 10 false B 1.156,1.219 1.469,1.417 0.313,0.198 10 false B 1.156,1.604 1.469,1.802 0.313,0.198 10 false B 1.156,1.969 1.469,2.167 0.313,0.198 10 false B 0.167,2.833 0.917,3.438 0.75,0.604 10 false Telephone Microphone Assembly 1.719,2.375 2.333,2.573 0.615,0.198 10 false GND 2.177,2.177 2.792,2.375 0.615,0.198 10 false 18

for GTMC Made

0.688,3.448 2.26,3.729 1.573,0.281 10 false Map Light Assembly 5.938,2.969 7.146,3.365 1.208,0.396 10 false Radio and Display Receiver Assembly 5.917,2.813 6.375,3.01 0.458,0.198 10 false E136 4.104,2.938 5.542,3.438 1.438,0.5 10 false Telematics Transceiver 3.99,2.781 4.448,2.979 0.458,0.198 10 false E12 0.5,2.385 1.135,2.896 0.635,0.51 10 false *2 5.573,2.24 5.875,2.521 0.302,0.281 10 false *1 6.354,0.583 6.969,0.781 0.615,0.198 10 false SNS2 2.385,0.458 3,0.656 0.615,0.198 10 false SNS1 6.365,1.313 6.979,1.51 0.615,0.198 10 false MIN+ 6.365,1.875 6.979,2.073 0.615,0.198 10 false MIN- 6.344,2.417 6.958,2.615 0.615,0.198 10 false SGND 2.406,1.49 3.021,1.688 0.615,0.198 10 false MO1+ 2.406,1.854 3.021,2.052 0.615,0.198 10 false MO1- 2.396,1.073 3.01,1.271 0.615,0.198 10 false MAC1 4.208,1.208 4.823,1.406 0.615,0.198 10 false MCVD 4.594,1.344 5.208,1.542 0.615,0.198 10 false MCO+ 4.635,1.844 5.25,2.042 0.615,0.198 10 false MCO- 4.219,1.604 4.833,1.802 0.615,0.198 10 false MCI+ 4.219,1.979 4.833,2.177 0.615,0.198 10 false MCI- 4.198,2.417 4.813,2.615 0.615,0.198 10 false SGND 5.063,1.208 5.375,1.406 0.313,0.198 10 false 16 5.073,1.76 5.385,1.958 0.313,0.198 10 false 32 4.042,1.104 4.354,1.302 0.313,0.198 10 false 5 4.021,1.49 4.333,1.688 0.313,0.198 10 false 6 4.031,1.865 4.344,2.063 0.313,0.198 10 false 7 3.99,2.302 4.302,2.5 0.313,0.198 10 false 23 2.844,1.104 3.156,1.302 0.313,0.198 10 false 27 2.844,1.49 3.156,1.688 0.313,0.198 10 false 28 2.823,1.875 3.146,2.073 0.323,0.198 10 false 29 2.833,0.458 3.146,0.656 0.313,0.198 10 false 30 6.115,0.479 6.302,0.688 0.188,0.208 10 false 25 6.104,1.208 6.292,1.417 0.188,0.208 10 false 21 6.104,2.313 6.417,2.51 0.313,0.198 10 false 24 6.104,1.76 6.344,1.969 0.24,0.208 10 false 22 0.427,3.375 0.74,3.573 0.313,0.198 10 false Q9 1.958,0.375 2.271,0.573 0.313,0.198 10 false 1 1.969,1.021 2.281,1.219 0.313,0.198 10 false 6 1.958,1.417 2.271,1.615 0.313,0.198 10 false 4 1.958,1.792 2.271,1.99 0.313,0.198 10 false 2 1.969,0.583 2.281,0.781 0.313,0.198 10 false B 1.958,1.229 2.271,1.427 0.313,0.198 10 false B 1.958,1.583 2.271,1.781 0.313,0.198 10 false B 1.938,1.99 2.25,2.188 0.313,0.198 10 false B 3.927,3.458 6.646,3.729 2.719,0.271 10 false *2: No. 2 Telephone Microphone Assembly 2.469,2.573 3.083,2.771 0.615,0.198 10 false GND 2.833,2.448 3.448,2.646 0.615,0.198 10 false 18 1.021,0.563 1.333,0.76 0.313,0.198 10 false C 1.042,1.229 1.354,1.427 0.313,0.198 10 false C 1.021,1.594 1.333,1.792 0.313,0.198 10 false C 0.979,1.969 1.292,2.167 0.313,0.198 10 false C 1.042,0.385 1.354,0.583 0.313,0.198 10 false 5 1.042,1.01 1.354,1.208 0.313,0.198 10 false 1 1.031,1.417 1.344,1.615 0.313,0.198 10 false 2 1.021,1.781 1.333,1.979 0.313,0.198 10 false 4 0.313,2.76 2.031,3.073 1.719,0.313 10 false Microphone Assembly 2.969,3.458 3.823,3.76 0.854,0.302 10 false *1: Shielded 3.49,2.229 4.125,2.74 0.635,0.51 10 false *1

CAUTION / NOTICE / HINT

NOTICE:: ·

When replacing the telematics transceiver, make sure to replace it with a new one.

·

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed.

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>AUDIO AND VISUAL SYSTEM>PRECAUTION202303,202409,_56,_111822,_0502892,RM10000000297AN,202409,999999,_56,_111822,_0502892,RM100000002OPTJ,

·

Before replacing the telematics transceiver, refer to Service Bulletin.

PROCEDURE

1.CHECK MICROPHONE

1.969,0.771 2.385,0.188 true 2.458,0.063 2.771,0.26 0.313,0.198 10 false *a

*a	Microphone 1 input level meter

Enter diagnostic mode.

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Select "Function Check/Setting" from the "Service Menu" screen.

Select "Microphone Check" from the "Function Check/Setting I" screen.

Speak into each microphone assembly and check the microphone input level meter display.

OK:: The microphone input levels of the meter change in accordance with the voice.

Result:

Result	Proceed to
Microphone input levels change for microphone 1	A
Microphone input level does not change for microphone 1	B

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

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2.CHECK MODEL

Choose the model to be inspected.

Result:

Result	Proceed to
for SFTM Made	A
for GTMC Made	B

3.CHECK TELEMATICS TRANSCEIVER (MICROPHONE POWER SOURCE AND BODY GROUND)

16.CHECK TELEMATICS TRANSCEIVER (MICROPHONE POWER SOURCE AND BODY GROUND)

3.CHECK TELEMATICS TRANSCEIVER (MICROPHONE POWER SOURCE AND BODY GROUND)

HINT:: Measure the connector of the telematics transceiver while it is connected.

1.469,0.531 1.906,0.802 0.438,0.271 2.302,1.823 1.875,1.115 true 2.479,1.813 2.802,1.083 true 2.552,2.625 2.344,1.948 true 0.167,0.167 0.417,0.333 0.25,0.167 10 false *a 1.563,0.573 1.896,0.76 0.333,0.188 10 false E12 1.708,0.938 2.052,1.115 0.344,0.177 10 false MCI- 2.604,0.917 3.104,1.083 0.5,0.167 10 false MCVD 2.396,2.615 2.823,2.781 0.427,0.167 10 false SGND

*a	Component with harness connected (Telematics Transceiver)

Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
Click Location & Routing(E12)Location & Routingewd_type=routing;type=c;code=E12 Click Connector(E12)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Telephone Transceiverewd_type=component;type=c;code=E12;pinno=7,23
E12-7 (MCI-) - Body ground	Always	Below 1 Ω
E12-23 (SGND) - Body ground	Always	Below 1 Ω

Tester Connection

Condition

Specified Condition

Click Location & Routing(E12)Location & Routingewd_type=routing;type=c;code=E12

Click Connector(E12)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Telephone Transceiverewd_type=component;type=c;code=E12;pinno=7,23

E12-7 (MCI-) - Body ground

Always

Below 1 Ω

E12-23 (SGND) - Body ground

Always

Below 1 Ω

Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection	Condition	Specified Condition
Click Location & Routing(E12)Location & Routingewd_type=routing;type=c;code=E12 Click Connector(E12)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Telephone Transceiverewd_type=component;type=c;code=E12;pinno=5
E12-5 (MCVD) - Body ground	Ignition switch ON	7.5 to 8.5 V

Tester Connection

Condition

Specified Condition

Click Location & Routing(E12)Location & Routingewd_type=routing;type=c;code=E12

Click Connector(E12)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Telephone Transceiverewd_type=component;type=c;code=E12;pinno=5

E12-5 (MCVD) - Body ground

Ignition switch ON

7.5 to 8.5 V

Result:

Proceed to
OK
NG

4.CHECK TELEMATICS TRANSCEIVER (OUTPUT TO RADIO AND DISPLAY RECEIVER ASSEMBLY)

11.CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - MAP LIGHT ASSEMBLY)

4.CHECK TELEMATICS TRANSCEIVER (OUTPUT TO RADIO AND DISPLAY RECEIVER ASSEMBLY)

HINT:: Measure the connector of the telematics transceiver while it is connected.

1.5,0.229 1.906,0.49 0.406,0.26 0.802,1.375 0.563,0.667 true 0.573,2.052 0.833,1.479 true 0.135,0.146 0.448,0.344 0.313,0.198 10 false *a 1.573,0.271 1.885,0.448 0.313,0.177 10 false E12 0.365,0.49 0.802,0.688 0.438,0.198 10 false MCO+ 0.396,2.042 0.823,2.24 0.427,0.198 10 false MCO- 2.792,3.417 3.208,3.615 0.417,0.198 10 false GND

*a	Component with harness connected (Telematics Transceiver)

Using an oscilloscope, measure the waveform according to the condition(s) in the table below.

Item	Condition
Tester Connection	E12-16 (MCO+) - E12-32 (MCO-)
Tool setting	50 mV/DIV., 500 ms/DIV.
Vehicle condition	1. Turn the ignition switch to ON 2. Sound is input to the map light assembly when the user is closer than 125 mm from the telephone microphone assembly sound holes in the map light assembly sound holes

OK:: The waveform is similar to that shown in the illustration.

HINT:: ·

The oscilloscope waveform shown in the illustration is an example for reference only.

·

In order to ensure that a consistent sound level is input to the microphone, use a digital voice recorder, etc., to play back sound in the same location with respect to the microphone.

Result:

Result	Proceed to
A waveform synchronized with voice signals is output	A
A waveform synchronized with voice signals is not output	B

5.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - TELEMATICS TRANSCEIVER)

6.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - TELEMATICS TRANSCEIVER)

5.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - TELEMATICS TRANSCEIVER)

Disconnect the E136 radio and display receiver assembly connector.

Disconnect the E12 telematics transceiver connector.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
Click Location & Routing(E136,E12)Location & Routingewd_type=routing;type=c,c;code=E136,E12 Click Connector(E136)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Navigation Receiver Assemblyewd_type=component;type=c;code=E136;pinno=21,22,24 Click Connector(E12)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Telephone Transceiverewd_type=component;type=c;code=E12;pinno=16,32
E136-21 (MIN+) - E12-16 (MCO+)	Always	Below 1 Ω
E136-22 (MIN-) - E12-32 (MCO-)	Always	Below 1 Ω
E136-21 (MIN+) or E12-16 (MCO+) - Body ground	Always	10 kΩ or higher
E136-22 (MIN-) or E12-32 (MCO-) - Body ground	Always	10 kΩ or higher
E136-24 (SGND) - Body ground	Always	10 kΩ or higher

Result:

Proceed to
OK
NG

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

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REPAIR OR REPLACE HARNESS OR CONNECTOR

6.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - TELEMATICS TRANSCEIVER)

Disconnect the E136 radio and display receiver assembly connector.

Disconnect the E12 telematics transceiver connector.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
Click Location & Routing(E136,E12)Location & Routingewd_type=routing;type=c,c;code=E136,E12 Click Connector(E136)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Navigation Receiver Assemblyewd_type=component;type=c;code=E136;pinno=21,22,24 Click Connector(E12)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Telephone Transceiverewd_type=component;type=c;code=E12;pinno=16,32
E136-21 (MIN+) - E12-16 (MCO+)	Always	Below 1 Ω
E136-22 (MIN-) - E12-32 (MCO-)	Always	Below 1 Ω
E136-21 (MIN+) or E12-16 (MCO+) - Body ground	Always	10 kΩ or higher
E136-22 (MIN-) or E12-32 (MCO-) - Body ground	Always	10 kΩ or higher
E136-24 (SGND) - Body ground	Always	10 kΩ or higher

Result:

Proceed to
OK
NG

7.CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - MAP LIGHT ASSEMBLY)

REPAIR OR REPLACE HARNESS OR CONNECTOR

7.CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - MAP LIGHT ASSEMBLY)

Disconnect the E12 telematics transceiver connector.

Disconnect the Q9 map light assembly connector.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
Click Location & Routing(E12,Q9)Location & Routingewd_type=routing;type=c,c;code=E12,Q9 Click Connector(E12)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Telephone Transceiverewd_type=component;type=c;code=E12;pinno=5,6,7,23 Click Connector(Q9)Body>Roof Wire>Map Light Assemblyewd_type=component;type=c;code=Q9;pinno=27,28,29
E12-5 (MCVD) - Q9-27 (MAC1)	Always	Below 1 Ω
E12-6 (MCI+) - Q9-28 (MO1+)	Always	Below 1 Ω
E12-7 (MCI-) - Q9-29 (MO1-)	Always	Below 1 Ω
E12-5 (MCVD) - Q9-27 (MAC1) - Body ground	Always	10 kΩ or higher
E12-6 (MCI+) - Q9-28 (MO1+) - Body ground	Always	10 kΩ or higher
E12-7 (MCI-) - Q9-29 (MO1-) - Body ground	Always	10 kΩ or higher
E12-23 (SGND) - Body ground	Always	10 kΩ or higher

Result:

Proceed to
OK
NG

8.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - MAP LIGHT ASSEMBLY)

REPAIR OR REPLACE HARNESS OR CONNECTOR

8.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - MAP LIGHT ASSEMBLY)

Disconnect the E136 radio and display receiver assembly connector.

Disconnect the Q9 map light assembly connector.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
Click Location & Routing(E136,Q9)Location & Routingewd_type=routing;type=c,c;code=E136,Q9 Click Connector(E136)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Navigation Receiver Assemblyewd_type=component;type=c;code=E136;pinno=25 Click Connector(Q9)Body>Roof Wire>Map Light Assemblyewd_type=component;type=c;code=Q9;pinno=30
E136-25 (SNS2) - Q9-30 (SNS1)	Always	Below 1 Ω
E136-25 (SNS2) or Q9-30 (SNS1) - Body ground	Always	10 kΩ or higher

Tester Connection

Condition

Specified Condition

Click Location & Routing(E136,Q9)Location & Routingewd_type=routing;type=c,c;code=E136,Q9

Click Connector(E136)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Navigation Receiver Assemblyewd_type=component;type=c;code=E136;pinno=25

Click Connector(Q9)Body>Roof Wire>Map Light Assemblyewd_type=component;type=c;code=Q9;pinno=30

E136-25 (SNS2) - Q9-30 (SNS1)

Always

Below 1 Ω

E136-25 (SNS2) or Q9-30 (SNS1) - Body ground

Always

10 kΩ or higher

Result:

Proceed to
OK
NG

9.CHECK TELEPHONE MICROPHONE ASSEMBLY (OUTPUT TO TELEMATICS TRANSCEIVER)

REPAIR OR REPLACE HARNESS OR CONNECTOR

9.CHECK TELEPHONE MICROPHONE ASSEMBLY (OUTPUT TO TELEMATICS TRANSCEIVER)

HINT:: Measure the connector of the map light assembly while it is connected.

1.469,0.188 1.917,0.427 0.448,0.24 1.177,0.479 1.802,1.25 true 2.417,0.448 1.906,1.25 true 0.167,0.188 0.479,0.385 0.313,0.198 10 false *a 1.604,0.229 1.917,0.427 0.313,0.198 10 false Q9 0.802,0.302 1.313,0.51 0.51,0.208 10 false MO1- 2.438,0.313 2.948,0.521 0.51,0.208 10 false MO1+ 2.823,3.438 3.333,3.646 0.51,0.208 10 false GND

*a	Component with harness connected (Map Light Assembly)

Using an oscilloscope, measure the waveform according to the condition(s) in the table below.

Item	Condition
Tester Connection	Q9-28 (MO1+) - Q9-29 (MO1-)
Tool setting	50 mV/DIV., 500 ms/DIV.
Vehicle condition	1. Turn the ignition switch to ON 2. Sound is input to the map light assembly when the user is closer than 125 mm from the telephone microphone assembly sound holes in the map light assembly sound holes

OK:: The waveform is similar to that shown in the illustration.

HINT:: ·

The oscilloscope waveform shown in the illustration is an example for reference only.

·

In order to ensure that a consistent sound level is input to the microphone, use a digital voice recorder, etc., to play back sound in the same location with respect to the microphone.

Result:

Result	Proceed to
A waveform synchronized with voice signals is output	A
A waveform synchronized with voice signals is not output	B

REPLACE TELEMATICS TRANSCEIVER

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10.INSPECT MAP LIGHT ASSEMBLY

Remove the map light assembly.

Click hereVehicle Interior>LIGHTING (INT)>PERSONAL LIGHT>REMOVAL202111,999999,_58,_111833,_0499873,RM100000001Z0I2,

Disconnect the B telephone microphone assembly connector.

1.521,2.594 1.938,2.844 0.417,0.25 1.542,0.417 1.958,0.667 0.417,0.25 1.792,1.365 1.583,1.781 false 1.885,1.354 1.927,1.781 true 0.365,1.177 0.5,0.688 true 1.219,1.802 1.729,2.073 0.51,0.271 10 false MO1- 0.188,0.24 0.5,0.438 0.313,0.198 10 false *a 0.219,2.708 0.531,2.906 0.313,0.198 10 false *b 1.656,0.448 2.135,0.667 0.479,0.219 10 false Q9 1.688,2.635 2.167,2.854 0.479,0.219 10 false B 1.865,1.802 2.406,2.021 0.542,0.219 10 false MO1+ 0.479,0.5 1.021,0.719 0.542,0.219 10 false GND

*a	Component without harness connected (Map Light Assembly (No. 1 Roof Wire Side))
*b	Component without harness connected (Map Light Assembly (Telephone Microphone Assembly Side))

Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
Click Location & Routing(Q9)Location & Routingewd_type=routing;type=c;code=Q9 Click Connector(Q9)Body>Roof Wire>Map Light Assemblyewd_type=component;type=c;code=Q9;pinno=28,29,18
Q9-28 (MO1+) - B-4	Always	Below 1 Ω
Q9-29 (MO1-) - B-2	Always	Below 1 Ω
Q9-28 (MO1+) or B-4 - Q9-18 (GND)	Always	10 kΩ or higher
Q9-29 (MO1-) or B-2 - Q9-18 (GND)	Always	10 kΩ or higher

Result:

Proceed to
OK
NG

REPLACE TELEPHONE MICROPHONE ASSEMBLY

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REPLACE MAP LIGHT ASSEMBLY

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11.CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - MAP LIGHT ASSEMBLY)

Disconnect the E12 telematics transceiver connector.

Disconnect the Q9 map light assembly connector.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
Click Location & Routing(E12,Q9)Location & Routingewd_type=routing;type=c,c;code=E12,Q9 Click Connector(E12)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Telephone Transceiverewd_type=component;type=c;code=E12;pinno=5,7,23 Click Connector(Q9)Body>Roof Wire>Map Light Assemblyewd_type=component;type=c;code=Q9;pinno=27,29
E12-5 (MCVD) - Q9-27 (MAC1)	Always	Below 1 Ω
E12-7 (MCI-) - Q9-29 (MO1-)	Always	Below 1 Ω
E12-5 (MCVD) - Q9-27 (MAC1) - Body ground	Always	10 kΩ or higher
E12-7 (MCI-) - Q9-29 (MO1-) - Body ground	Always	10 kΩ or higher
E12-23 (SGND) - Body ground	Always	10 kΩ or higher

Result:

Proceed to
OK
NG

12.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - TELEMATICS TRANSCEIVER)

REPAIR OR REPLACE HARNESS OR CONNECTOR

12.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - TELEMATICS TRANSCEIVER)

Disconnect the E136 radio and display receiver assembly connector.

Disconnect the E12 telematics transceiver connector.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
Click Location & Routing(E136,E12)Location & Routingewd_type=routing;type=c,c;code=E136,E12 Click Connector(E136)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Navigation Receiver Assemblyewd_type=component;type=c;code=E136;pinno=21,22,24 Click Connector(E12)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Telephone Transceiverewd_type=component;type=c;code=E12;pinno=16,32
E136-21 (MIN+) - E12-16 (MCO+)	Always	Below 1 Ω
E136-22 (MIN-) - E12-32 (MCO-)	Always	Below 1 Ω
E136-21 (MIN+) or E12-16 (MCO+) - Body ground	Always	10 kΩ or higher
E136-22 (MIN-) or E12-32 (MCO-) - Body ground	Always	10 kΩ or higher
E136-24 (SGND) - Body ground	Always	10 kΩ or higher

Result:

Proceed to
OK
NG

13.INSPECT MAP LIGHT ASSEMBLY

REPAIR OR REPLACE HARNESS OR CONNECTOR

13.INSPECT MAP LIGHT ASSEMBLY

Remove the map light assembly.

Click hereVehicle Interior>LIGHTING (INT)>PERSONAL LIGHT>REMOVAL202111,999999,_58,_111833,_0499873,RM100000001Z0I2,

Disconnect the B telephone microphone assembly connector.

1.521,2.594 1.938,2.844 0.417,0.25 1.542,0.417 1.958,0.667 0.417,0.25 1.771,1.354 1.698,1.75 false 2.01,1.375 2.021,1.76 true 0.344,1.198 0.448,0.688 true 1.448,1.781 1.958,2.052 0.51,0.271 10 false MO1- 0.188,0.24 0.5,0.438 0.313,0.198 10 false *a 0.219,2.708 0.531,2.906 0.313,0.198 10 false *b 1.656,0.448 2.135,0.667 0.479,0.219 10 false Q9 1.688,2.635 2.167,2.854 0.479,0.219 10 false B 1.969,1.781 2.51,2 0.542,0.219 10 false MAC1 0.406,0.531 0.948,0.75 0.542,0.219 10 false GND

*a	Component without harness connected (Map Light Assembly (No. 1 Roof Wire Side))
*b	Component without harness connected (Map Light Assembly (Telephone Microphone Assembly Side))

Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
Click Location & Routing(Q9)Location & Routingewd_type=routing;type=c;code=Q9 Click Connector(Q9)Body>Roof Wire>Map Light Assemblyewd_type=component;type=c;code=Q9;pinno=27,29,18
Q9-27 (MAC1) - B-6	Always	Below 1 Ω
Q9-29 (MO1-) - B-2	Always	Below 1 Ω
Q9-27 (MAC1) or B-6 - Q9-18 (GND)	Always	10 kΩ or higher
Q9-29 (MO1-) or B-2 - Q9-18 (GND)	Always	10 kΩ or higher

Result:

Proceed to
OK
NG

14.REPLACE TELEPHONE MICROPHONE ASSEMBLY

REPLACE MAP LIGHT ASSEMBLY

Click hereVehicle Interior>LIGHTING (INT)>PERSONAL LIGHT>REMOVAL202111,999999,_58,_111833,_0499873,RM100000001Z0I2,

14.REPLACE TELEPHONE MICROPHONE ASSEMBLY

Remove the telephone microphone assembly

Click hereAudio / Visual / Telematics>NAVIGATION / MULTI INFO DISPLAY>TELEPHONE MICROPHONE ASSEMBLY>REMOVAL202111,202406,_56,_111823,_0500515,RM100000001Z2Q9,202406,202409,_56,_111823,_0500515,RM100000002KRN1,202409,999999,_56,_111823,_0500515,RM100000002OAKK,

Result:

Proceed to
NEXT

15.CHECK MICROPHONE

1.969,0.771 2.385,0.188 true 2.458,0.063 2.771,0.26 0.313,0.198 10 false *a

*a	Microphone 1 input level meter

Enter diagnostic mode.

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>AUDIO AND VISUAL SYSTEM>DIAGNOSIS SYSTEM202303,202409,_56,_111822,_0502892,RM10000000297AV,202409,999999,_56,_111822,_0502892,RM100000002OXE5,

Select "Function Check/Setting" from the "Service Menu" screen.

Select "Microphone Check" from the "Function Check/Setting I" screen.

Speak into each microphone assembly and check the microphone input level meter display.

OK:: The microphone input levels of the meter change in accordance with the voice.

Result:

Result	Proceed to
Microphone input levels change for microphone 1	A
Microphone input level does not change for microphone 1	B

END

REPLACE TELEMATICS TRANSCEIVER

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS TRANSCEIVER>REMOVAL202203,999999,_56,_111824,_0500296,RM1000000022MZX,

16.CHECK TELEMATICS TRANSCEIVER (MICROPHONE POWER SOURCE AND BODY GROUND)

HINT:: Measure the connector of the telematics transceiver while it is connected.

*a	Component with harness connected (Telematics Transceiver)

Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
Click Location & Routing(E12)Location & Routingewd_type=routing;type=c;code=E12 Click Connector(E12)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Telephone Transceiverewd_type=component;type=c;code=E12;pinno=7,23
E12-7 (MCI-) - Body ground	Always	Below 1 Ω
E12-23 (SGND) - Body ground	Always	Below 1 Ω

Tester Connection

Condition

Specified Condition

Click Location & Routing(E12)Location & Routingewd_type=routing;type=c;code=E12

Click Connector(E12)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Telephone Transceiverewd_type=component;type=c;code=E12;pinno=7,23

E12-7 (MCI-) - Body ground

Always

Below 1 Ω

E12-23 (SGND) - Body ground

Always

Below 1 Ω

Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection	Condition	Specified Condition
Click Location & Routing(E12)Location & Routingewd_type=routing;type=c;code=E12 Click Connector(E12)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Telephone Transceiverewd_type=component;type=c;code=E12;pinno=5
E12-5 (MCVD) - Body ground	Ignition switch ON	7.5 to 8.5 V

Tester Connection

Condition

Specified Condition

Click Location & Routing(E12)Location & Routingewd_type=routing;type=c;code=E12

Click Connector(E12)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Telephone Transceiverewd_type=component;type=c;code=E12;pinno=5

E12-5 (MCVD) - Body ground

Ignition switch ON

7.5 to 8.5 V

Result:

Proceed to
OK
NG

17.CHECK TELEMATICS TRANSCEIVER (OUTPUT TO RADIO AND DISPLAY RECEIVER ASSEMBLY)

25.CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - MAP LIGHT ASSEMBLY)

17.CHECK TELEMATICS TRANSCEIVER (OUTPUT TO RADIO AND DISPLAY RECEIVER ASSEMBLY)

HINT:: Measure the connector of the telematics transceiver while it is connected.

*a	Component with harness connected (Telematics Transceiver)

Using an oscilloscope, measure the waveform according to the condition(s) in the table below.

Item	Condition
Tester Connection	E12-16 (MCO+) - E12-32 (MCO-)
Tool setting	50 mV/DIV., 500 ms/DIV.
Vehicle condition	1. Turn the ignition switch to ON 2. Sound is input to the map light assembly when the user is closer than 125 mm from the telephone microphone assembly sound holes in the map light assembly sound holes

OK:: The waveform is similar to that shown in the illustration.

HINT:: ·

The oscilloscope waveform shown in the illustration is an example for reference only.

·

In order to ensure that a consistent sound level is input to the microphone, use a digital voice recorder, etc., to play back sound in the same location with respect to the microphone.

Result:

Result	Proceed to
A waveform synchronized with voice signals is output	A
A waveform synchronized with voice signals is not output	B

18.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - TELEMATICS TRANSCEIVER)

19.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - TELEMATICS TRANSCEIVER)

18.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - TELEMATICS TRANSCEIVER)

Disconnect the E136 radio and display receiver assembly connector.

Disconnect the E12 telematics transceiver connector.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
Click Location & Routing(E136,E12)Location & Routingewd_type=routing;type=c,c;code=E136,E12 Click Connector(E136)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Navigation Receiver Assemblyewd_type=component;type=c;code=E136;pinno=21,22,24 Click Connector(E12)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Telephone Transceiverewd_type=component;type=c;code=E12;pinno=16,32
E136-21 (MIN+) - E12-16 (MCO+)	Always	Below 1 Ω
E136-22 (MIN-) - E12-32 (MCO-)	Always	Below 1 Ω
E136-21 (MIN+) or E12-16 (MCO+) - Body ground	Always	10 kΩ or higher
E136-22 (MIN-) or E12-32 (MCO-) - Body ground	Always	10 kΩ or higher
E136-24 (SGND) - Body ground	Always	10 kΩ or higher

Result:

Proceed to
OK
NG

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>RADIO RECEIVER>REMOVAL202303,999999,_56,_111822,_0500651,RM1000000029SFX,

REPAIR OR REPLACE HARNESS OR CONNECTOR

19.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - TELEMATICS TRANSCEIVER)

Disconnect the E136 radio and display receiver assembly connector.

Disconnect the E12 telematics transceiver connector.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
Click Location & Routing(E136,E12)Location & Routingewd_type=routing;type=c,c;code=E136,E12 Click Connector(E136)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Navigation Receiver Assemblyewd_type=component;type=c;code=E136;pinno=21,22,24 Click Connector(E12)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Telephone Transceiverewd_type=component;type=c;code=E12;pinno=16,32
E136-21 (MIN+) - E12-16 (MCO+)	Always	Below 1 Ω
E136-22 (MIN-) - E12-32 (MCO-)	Always	Below 1 Ω
E136-21 (MIN+) or E12-16 (MCO+) - Body ground	Always	10 kΩ or higher
E136-22 (MIN-) or E12-32 (MCO-) - Body ground	Always	10 kΩ or higher
E136-24 (SGND) - Body ground	Always	10 kΩ or higher

Result:

Proceed to
OK
NG

20.CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - MAP LIGHT ASSEMBLY)

REPAIR OR REPLACE HARNESS OR CONNECTOR

20.CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - MAP LIGHT ASSEMBLY)

Disconnect the E12 telematics transceiver connector.

Disconnect the Q9 map light assembly connector.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
Click Location & Routing(E12,Q9)Location & Routingewd_type=routing;type=c,c;code=E12,Q9 Click Connector(E12)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Telephone Transceiverewd_type=component;type=c;code=E12;pinno=5,6,7,23 Click Connector(Q9)Body>Roof Wire>Map Light Assemblyewd_type=component;type=c;code=Q9;pinno=27,28,29
E12-5 (MCVD) - Q9-27 (MAC1)	Always	Below 1 Ω
E12-6 (MCI+) - Q9-28 (MO1+)	Always	Below 1 Ω
E12-7 (MCI-) - Q9-29 (MO1-)	Always	Below 1 Ω
E12-5 (MCVD) - Q9-27 (MAC1) - Body ground	Always	10 kΩ or higher
E12-6 (MCI+) - Q9-28 (MO1+) - Body ground	Always	10 kΩ or higher
E12-7 (MCI-) - Q9-29 (MO1-) - Body ground	Always	10 kΩ or higher
E12-23 (SGND) - Body ground	Always	10 kΩ or higher

Result:

Proceed to
OK
NG

21.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - MAP LIGHT ASSEMBLY)

REPAIR OR REPLACE HARNESS OR CONNECTOR

21.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - MAP LIGHT ASSEMBLY)

Disconnect the E136 radio and display receiver assembly connector.

Disconnect the Q9 map light assembly connector.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
Click Location & Routing(E136,Q9)Location & Routingewd_type=routing;type=c,c;code=E136,Q9 Click Connector(E136)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Navigation Receiver Assemblyewd_type=component;type=c;code=E136;pinno=25 Click Connector(Q9)Body>Roof Wire>Map Light Assemblyewd_type=component;type=c;code=Q9;pinno=30
E136-25 (SNS2) - Q9-30 (SNS1)	Always	Below 1 Ω
E136-25 (SNS2) or Q9-30 (SNS1) - Body ground	Always	10 kΩ or higher

Tester Connection

Condition

Specified Condition

Click Location & Routing(E136,Q9)Location & Routingewd_type=routing;type=c,c;code=E136,Q9

Click Connector(E136)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Navigation Receiver Assemblyewd_type=component;type=c;code=E136;pinno=25

Click Connector(Q9)Body>Roof Wire>Map Light Assemblyewd_type=component;type=c;code=Q9;pinno=30

E136-25 (SNS2) - Q9-30 (SNS1)

Always

Below 1 Ω

E136-25 (SNS2) or Q9-30 (SNS1) - Body ground

Always

10 kΩ or higher

Result:

Proceed to
OK
NG

22.CHECK MAP LIGHT ASSEMBLY (OUTPUT TO TELEMATICS TRANSCEIVER)

REPAIR OR REPLACE HARNESS OR CONNECTOR

22.CHECK MAP LIGHT ASSEMBLY (OUTPUT TO TELEMATICS TRANSCEIVER)

HINT:: Measure the connector of the map light assembly while it is connected.

*a	Component with harness connected (Map Light Assembly)

Using an oscilloscope, measure the waveform according to the condition(s) in the table below.

Item	Condition
Tester Connection	Q9-28 (MO1+) - Q9-29 (MO1-)
Tool setting	50 mV/DIV., 500 ms/DIV.
Vehicle condition	1. Turn the ignition switch to ON 2. Sound is input to the map light assembly when the user is closer than 125 mm from the telephone microphone assembly sound holes in the map light assembly sound holes

OK:: The waveform is similar to that shown in the illustration.

HINT:: ·

The oscilloscope waveform shown in the illustration is an example for reference only.

·

In order to ensure that a consistent sound level is input to the microphone, use a digital voice recorder, etc., to play back sound in the same location with respect to the microphone.

Result:

Result	Proceed to
A waveform synchronized with voice signals is output	A
A waveform synchronized with voice signals is not output	B

REPLACE TELEMATICS TRANSCEIVER

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS TRANSCEIVER>REMOVAL202203,999999,_56,_111824,_0500296,RM1000000022MZX,

23.INSPECT MAP LIGHT ASSEMBLY

Remove the map light assembly.

Click hereVehicle Interior>LIGHTING (INT)>PERSONAL LIGHT>REMOVAL202111,999999,_58,_111833,_0499873,RM100000001Z0I2,

Disconnect the B telephone microphone assembly connector.

*a	Component without harness connected (Map Light Assembly (No. 1 Roof Wire Side))
*b	Component without harness connected (Map Light Assembly (Telephone Microphone Assembly Side))

Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
Click Location & Routing(Q9)Location & Routingewd_type=routing;type=c;code=Q9 Click Connector(Q9)Body>Roof Wire>Map Light Assemblyewd_type=component;type=c;code=Q9;pinno=28,29,18
Q9-28 (MO1+) - B-4	Always	Below 1 Ω
Q9-29 (MO1-) - B-2	Always	Below 1 Ω
Q9-28 (MO1+) or B-4 - Q9-18 (GND)	Always	10 kΩ or higher
Q9-29 (MO1-) or B-2 - Q9-18 (GND)	Always	10 kΩ or higher

Result:

Proceed to
OK
NG

24.INSPECT MICROPHONE ASSEMBLY

REPLACE MAP LIGHT ASSEMBLY

Click hereVehicle Interior>LIGHTING (INT)>PERSONAL LIGHT>REMOVAL202111,999999,_58,_111833,_0499873,RM100000001Z0I2,

24.INSPECT MICROPHONE ASSEMBLY

Remove the microphone assembly.

Disconnect the B microphone assembly connector.

Disconnect the C No. 2 telephone microphone assembly connector.

1.458,0.146 1.906,0.458 0.448,0.313 1.49,1.844 1.938,2.156 0.448,0.313 0.375,0.823 0.688,1.021 0.313,0.198 10 false *a 0.375,2.531 0.688,2.729 0.313,0.198 10 false *b 1.646,0.219 1.958,0.417 0.313,0.198 10 false C 1.688,1.906 2,2.104 0.313,0.198 10 false A

*a	Component without harness connected (No. 2 Telephone Microphone Assembly Side)
*b	Component without harness connected (Map Light Assembly Side)

Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
B-2 - C-4	Always	Below 1 Ω
B-4 - C-2	Always	Below 1 Ω
B-2 - B-4	Always	10 kΩ or higher
B-4 - C-4	Always	10 kΩ or higher

Result:

Proceed to
OK
NG

REPLACE NO. 2 TELEPHONE MICROPHONE ASSEMBLY

REPLACE MICROPHONE ASSEMBLY LH

25.CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - MAP LIGHT ASSEMBLY)

Disconnect the E12 telematics transceiver connector.

Disconnect the Q9 map light assembly connector.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
Click Location & Routing(E12,Q9)Location & Routingewd_type=routing;type=c,c;code=E12,Q9 Click Connector(E12)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Telephone Transceiverewd_type=component;type=c;code=E12;pinno=5,7,23 Click Connector(Q9)Body>Roof Wire>Map Light Assemblyewd_type=component;type=c;code=Q9;pinno=27,29
E12-5 (MCVD) - Q9-27 (MAC1)	Always	Below 1 Ω
E12-7 (MCI-) - Q9-29 (MO1-)	Always	Below 1 Ω
E12-5 (MCVD) - Q9-27 (MAC1) - Body ground	Always	10 kΩ or higher
E12-7 (MCI-) - Q9-29 (MO1-) - Body ground	Always	10 kΩ or higher
E12-23 (SGND) - Body ground	Always	10 kΩ or higher

Result:

Proceed to
OK
NG

26.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - TELEMATICS TRANSCEIVER)

REPAIR OR REPLACE HARNESS OR CONNECTOR

26.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - TELEMATICS TRANSCEIVER)

Disconnect the E136 radio and display receiver assembly connector.

Disconnect the E12 telematics transceiver connector.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
Click Location & Routing(E136,E12)Location & Routingewd_type=routing;type=c,c;code=E136,E12 Click Connector(E136)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Navigation Receiver Assemblyewd_type=component;type=c;code=E136;pinno=21,22,24 Click Connector(E12)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Telephone Transceiverewd_type=component;type=c;code=E12;pinno=16,32
E136-21 (MIN+) - E12-16 (MCO+)	Always	Below 1 Ω
E136-22 (MIN-) - E12-32 (MCO-)	Always	Below 1 Ω
E136-21 (MIN+) or E12-16 (MCO+) - Body ground	Always	10 kΩ or higher
E136-22 (MIN-) or E12-32 (MCO-) - Body ground	Always	10 kΩ or higher
E136-24 (SGND) - Body ground	Always	10 kΩ or higher

Result:

Proceed to
OK
NG

27.INSPECT MAP LIGHT ASSEMBLY

REPAIR OR REPLACE HARNESS OR CONNECTOR

27.INSPECT MAP LIGHT ASSEMBLY

Remove the map light assembly.

Click hereVehicle Interior>LIGHTING (INT)>PERSONAL LIGHT>REMOVAL202111,999999,_58,_111833,_0499873,RM100000001Z0I2,

Disconnect the B telephone microphone assembly connector.

*a	Component without harness connected (Map Light Assembly (No. 1 Roof Wire Side))
*b	Component without harness connected (Map Light Assembly (Telephone Microphone Assembly Side))

Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
Click Location & Routing(Q9)Location & Routingewd_type=routing;type=c;code=Q9 Click Connector(Q9)Body>Roof Wire>Map Light Assemblyewd_type=component;type=c;code=Q9;pinno=27,29,18
Q9-27 (MAC1) - B-6	Always	Below 1 Ω
Q9-29 (MO1-) - B-2	Always	Below 1 Ω
Q9-27 (MAC1) or B-6 - Q9-18 (GND)	Always	10 kΩ or higher
Q9-29 (MO1-) or B-2 - Q9-18 (GND)	Always	10 kΩ or higher

Result:

Proceed to
OK
NG

28.INSPECT MICROPHONE ASSEMBLY

REPLACE MAP LIGHT ASSEMBLY

Click hereVehicle Interior>LIGHTING (INT)>PERSONAL LIGHT>REMOVAL202111,999999,_58,_111833,_0499873,RM100000001Z0I2,

28.INSPECT MICROPHONE ASSEMBLY

Remove the microphone assembly.

Disconnect the B microphone assembly connector.

Disconnect the C No. 2 telephone microphone assembly connector.

*a	Component without harness connected (No. 2 Telephone Microphone Assembly Side)
*b	Component without harness connected (Map Light Assembly Side)

Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
B-1 - C-5	Always	Below 1 Ω
B-2 - C-4	Always	Below 1 Ω
B-4 - C-2	Always	10 kΩ or higher
B-6 - C-1	Always	10 kΩ or higher

Result:

Proceed to
OK
NG

29.REPLACE NO. 2 TELEPHONE MICROPHONE ASSEMBLY

REPLACE MICROPHONE ASSEMBLY

29.REPLACE NO. 2 TELEPHONE MICROPHONE ASSEMBLY

Remove the No. 2 telephone microphone assembly

Result:

Proceed to
NEXT

30.CHECK MICROPHONE

1.969,0.771 2.385,0.188 true 2.458,0.063 2.771,0.26 0.313,0.198 10 false *a

*a	Microphone 1 input level meter

Enter diagnostic mode.

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>AUDIO AND VISUAL SYSTEM>DIAGNOSIS SYSTEM202303,202409,_56,_111822,_0502892,RM10000000297AV,202409,999999,_56,_111822,_0502892,RM100000002OXE5,

Select "Function Check/Setting" from the "Service Menu" screen.

Select "Microphone Check" from the "Function Check/Setting I" screen.

Speak into each microphone assembly and check the microphone input level meter display.

OK:: The microphone input levels of the meter change in accordance with the voice.

Result:

Result	Proceed to
Microphone input levels change for microphone 1	A
Microphone input level does not change for microphone 1	B

END

REPLACE TELEMATICS TRANSCEIVER

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS TRANSCEIVER>REMOVAL202203,999999,_56,_111824,_0500296,RM1000000022MZX,