RM35X0E _56 Audio / Visual / Telematics _078379 NAVIGATION / MULTI INFO DISPLAY _0380999 NAVIGATION SYSTEM J

NAVIGATION / MULTI INFO DISPLAY  NAVIGATION SYSTEM  Microphone Circuit  


DESCRIPTION

The radio and display receiver assembly, telephone microphone assembly are connected to each other using the microphone connection detection signal lines.

WIRING DIAGRAM

w/ Telematics System (for Toyota Connected Services)


E434919
5.938,5.969 7.125,6.469 1.188,0.5 10 false Radio and Display Receiver Assembly 3.635,5.979 4.24,6.229 0.604,0.25 10 false O9 0.26,3.063 1.646,3.469 1.385,0.406 10 false Telephone Microphone Assembly 0.479,4.052 1.896,4.573 1.417,0.521 10 false Map Light Assembly 2.219,0.938 2.823,1.188 0.604,0.25 10 false a19 1.49,0.823 2.094,1.073 0.604,0.25 10 false 1 1.448,1.375 2.052,1.625 0.604,0.25 10 false 5*2 1.49,1.917 2.094,2.167 0.604,0.25 10 false 3 1.5,2.49 2.104,2.74 0.604,0.25 10 false 2 3.823,3.469 4.427,3.719 0.604,0.25 10 false N164 3.833,3.635 5.604,4 1.771,0.365 10 false Telematics Transceiver 3.958,3.167 4.563,3.417 0.604,0.25 10 false SGND 3.958,2.042 4.563,2.292 0.604,0.25 10 false MCI+ 3.938,1.479 4.542,1.729 0.604,0.25 10 false MCVD 4.427,1.458 5.031,1.708 0.604,0.25 10 false MCO+ 6.208,1.479 6.813,1.729 0.604,0.25 10 false MIN+ 5.833,0.917 6.438,1.167 0.604,0.25 10 false O7 5.854,0.729 6.458,0.979 0.604,0.25 10 false 25 5.854,1.292 6.458,1.542 0.604,0.25 10 false 21 5.865,1.833 6.469,2.083 0.604,0.25 10 false 22 5.854,2.406 6.458,2.656 0.604,0.25 10 false 24 5.865,4.917 6.469,5.167 0.604,0.25 10 false 26 6.208,4.542 6.813,4.792 0.604,0.25 10 false MCO+ 6.219,0.927 6.823,1.177 0.604,0.25 10 false SNS2 1.719,1.375 2.323,1.625 0.604,0.25 10 false MACC 1.729,0.802 2.333,1.052 0.604,0.25 10 false SNS2 3.969,2.615 4.573,2.865 0.604,0.25 10 false MCI- 1.677,1.927 2.281,2.177 0.604,0.25 10 false MCO+ 1.698,2.479 2.302,2.729 0.604,0.25 10 false MCO- 6.208,2.615 6.813,2.865 0.604,0.25 10 false SGND 4.896,1.375 5.5,1.625 0.604,0.25 10 false 16 4.896,1.948 5.5,2.198 0.604,0.25 10 false 32 5.865,5.458 6.469,5.708 0.604,0.25 10 false 24 5.875,4.354 6.479,4.604 0.604,0.25 10 false 25 6.208,2.052 6.813,2.302 0.604,0.25 10 false MIN- 4.448,2.031 5.052,2.281 0.604,0.25 10 false MCO- 5.833,4.542 6.438,4.792 0.604,0.25 10 false O6 3.625,6.146 4.74,6.406 1.115,0.26 10 false Navigation ECU 6.198,5.115 6.802,5.365 0.604,0.25 10 false MCO- 6.188,5.667 6.792,5.917 0.604,0.25 10 false SGND 4.25,4.521 4.854,4.771 0.604,0.25 10 false MIC+ 4.25,5.104 4.854,5.354 0.604,0.25 10 false MIC- 3.708,3.073 4.313,3.323 0.604,0.25 10 false 23 3.781,2.5 4.385,2.75 0.604,0.25 10 false 7 3.781,1.958 4.385,2.208 0.604,0.25 10 false 6 3.781,1.385 4.385,1.635 0.604,0.25 10 false 5 4.656,4.448 5.26,4.698 0.604,0.25 10 false 13 4.646,5 5.25,5.25 0.604,0.25 10 false 14 0.365,6.219 1.458,6.479 1.094,0.26 10 false *3: Shielded 3.281,2.875 3.573,3.115 0.292,0.24 10 false *3 2.24,1.292 2.844,1.542 0.604,0.25 10 false 8*1 2.188,0.729 2.792,0.979 0.604,0.25 10 false 11*1 2.208,2.417 2.813,2.667 0.604,0.25 10 false 10*1 2.229,1.844 2.833,2.094 0.604,0.25 10 false 9*1 1.01,0.917 1.615,1.167 0.604,0.25 10 false SNS2 0.969,1.469 1.573,1.719 0.604,0.25 10 false MACC 1.052,2.021 1.656,2.271 0.604,0.25 10 false MIC+ 1.083,2.563 1.688,2.813 0.604,0.25 10 false MIC- 0.25,2.896 1.125,3.104 0.875,0.208 10 false A*1, B*2 5.844,1.49 6.448,1.74 0.604,0.25 10 false O7 5.844,2.042 6.448,2.292 0.604,0.25 10 false O7 5.833,2.615 6.438,2.865 0.604,0.25 10 false O7 5.854,5.104 6.458,5.354 0.604,0.25 10 false O6 5.844,5.656 6.448,5.906 0.604,0.25 10 false O6 2.229,1.49 2.833,1.74 0.604,0.25 10 false a19 2.229,2.063 2.833,2.313 0.604,0.25 10 false a19 2.229,2.615 2.833,2.865 0.604,0.25 10 false a19 0.365,5.604 1.875,5.885 1.51,0.281 10 false *1: except Wagon 0.365,5.896 1.875,6.177 1.51,0.281 10 false *2: for Wagon 5.302,2.344 5.594,2.583 0.292,0.24 10 false *3 5.083,5.365 5.375,5.604 0.292,0.24 10 false *3 2.656,0.729 3.26,0.979 0.604,0.25 10 false 3*2 2.656,1.302 3.26,1.552 0.604,0.25 10 false 6*2 2.667,1.854 3.271,2.104 0.604,0.25 10 false 5*2 2.656,2.417 3.26,2.667 0.604,0.25 10 false 4*2 2.635,0.927 3.24,1.177 0.604,0.25 10 false a22 2.646,1.49 3.25,1.74 0.604,0.25 10 false a22 2.635,2.042 3.24,2.292 0.604,0.25 10 false a22 2.646,2.604 3.25,2.854 0.604,0.25 10 false a22 1.448,1.198 2.052,1.448 0.604,0.25 10 false 4*1


w/o Telematics System


E434920
5.76,5.969 6.948,6.469 1.188,0.5 10 false Radio and Display Receiver Assembly 3.417,5.99 4.021,6.24 0.604,0.25 10 false O9 0.24,3.094 1.625,3.5 1.385,0.406 10 false Telephone Microphone Assembly 0.49,4.083 1.906,4.604 1.417,0.521 10 false Map Light Assembly 2.281,0.958 2.885,1.208 0.604,0.25 10 false a19 1.552,0.823 2.156,1.073 0.604,0.25 10 false 1 1.51,1.25 2.115,1.5 0.604,0.25 10 false 4*1 1.542,1.906 2.146,2.156 0.604,0.25 10 false 3 1.552,2.49 2.156,2.74 0.604,0.25 10 false 2 5.969,2.073 6.573,2.323 0.604,0.25 10 false MIN+ 5.604,0.958 6.208,1.208 0.604,0.25 10 false O7 5.625,0.729 6.229,0.979 0.604,0.25 10 false 25 5.635,1.865 6.24,2.115 0.604,0.25 10 false 21 5.625,2.406 6.229,2.656 0.604,0.25 10 false 22 5.625,2.969 6.229,3.219 0.604,0.25 10 false 24 5.615,4.917 6.219,5.167 0.604,0.25 10 false 26 5.948,4.573 6.552,4.823 0.604,0.25 10 false MCO+ 5.969,0.917 6.573,1.167 0.604,0.25 10 false SNS2 1.771,1.385 2.375,1.635 0.604,0.25 10 false MACC 1.781,0.813 2.385,1.063 0.604,0.25 10 false SNS2 1.76,1.927 2.365,2.177 0.604,0.25 10 false MCO+ 1.792,2.479 2.396,2.729 0.604,0.25 10 false MCO- 5.969,3.177 6.573,3.427 0.604,0.25 10 false SGND 5.615,5.458 6.219,5.708 0.604,0.25 10 false 24 5.625,4.354 6.229,4.604 0.604,0.25 10 false 25 5.958,2.635 6.563,2.885 0.604,0.25 10 false MIN- 5.615,4.573 6.219,4.823 0.604,0.25 10 false O6 3.406,6.167 4.521,6.427 1.115,0.26 10 false Navigation ECU 5.948,5.146 6.552,5.396 0.604,0.25 10 false MCO- 5.948,5.667 6.552,5.917 0.604,0.25 10 false SGND 3.969,4.563 4.573,4.813 0.604,0.25 10 false MIC+ 4.01,5.135 4.615,5.385 0.604,0.25 10 false MIC- 4.396,4.479 5,4.729 0.604,0.25 10 false 13 4.406,5.031 5.01,5.281 0.604,0.25 10 false 14 0.375,6.219 1.469,6.479 1.094,0.26 10 false *3: Shielded 4.052,2.917 4.344,3.156 0.292,0.24 10 false *3 5.969,1.521 6.573,1.771 0.604,0.25 10 false MACC 2.26,2.438 2.865,2.688 0.604,0.25 10 false 10*1 2.26,0.76 2.865,1.01 0.604,0.25 10 false 11*1 2.302,1.875 2.906,2.125 0.604,0.25 10 false 9*1 2.302,1.313 2.906,1.563 0.604,0.25 10 false 8*1 1.031,0.948 1.635,1.198 0.604,0.25 10 false SNS2 1.031,1.51 1.635,1.76 0.604,0.25 10 false MACC 1.104,2.052 1.708,2.302 0.604,0.25 10 false MIC+ 1.125,2.583 1.729,2.833 0.604,0.25 10 false MIC- 5.625,1.313 6.229,1.563 0.604,0.25 10 false 23 0.26,2.938 1.094,3.135 0.833,0.198 10 false A*1, B*2 5.615,1.51 6.219,1.76 0.604,0.25 10 false O7 5.604,2.083 6.208,2.333 0.604,0.25 10 false O7 5.604,2.625 6.208,2.875 0.604,0.25 10 false O7 5.604,3.188 6.208,3.438 0.604,0.25 10 false O7 5.615,5.135 6.219,5.385 0.604,0.25 10 false O6 5.604,5.677 6.208,5.927 0.604,0.25 10 false O6 2.292,1.521 2.896,1.771 0.604,0.25 10 false a19 2.292,2.063 2.896,2.313 0.604,0.25 10 false a19 2.292,2.635 2.896,2.885 0.604,0.25 10 false a19 4.844,5.396 5.135,5.635 0.292,0.24 10 false *3 0.375,5.625 2.26,5.979 1.885,0.354 10 false *1: except Wagon 0.375,5.906 2.26,6.26 1.885,0.354 10 false *2: for Wagon 2.677,0.76 3.281,1.01 0.604,0.25 10 false 12*2 2.729,1.323 3.333,1.573 0.604,0.25 10 false 9*2 2.677,1.885 3.281,2.135 0.604,0.25 10 false 10*2 2.677,2.448 3.281,2.698 0.604,0.25 10 false 11*2 2.688,0.958 3.292,1.208 0.604,0.25 10 false a23 2.677,1.51 3.281,1.76 0.604,0.25 10 false a23 2.698,2.073 3.302,2.323 0.604,0.25 10 false a23 2.698,2.635 3.302,2.885 0.604,0.25 10 false a23 1.51,1.427 2.115,1.677 0.604,0.25 10 false 5*2


CAUTION / NOTICE / HINT

HINT:

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System.

Click hereAudio / Visual / Telematics>NAVIGATION / MULTI INFO DISPLAY>NAVIGATION SYSTEM>PRECAUTION


PROCEDURE

1.CHECK MICROPHONE AND VOICE RECOGNITION (INPUT TO NAVIGATION ECU)
a.
E268457

Enter the "Microphone Check" screen. Refer to Check Microphone (Input to navigation ECU) in Operation Check.

Click hereAudio / Visual / Telematics>NAVIGATION / MULTI INFO DISPLAY>NAVIGATION SYSTEM>OPERATION CHECK


b.

When voice is input into the microphone, check that the microphone input level meter changes according to the input voice.

OK:

Check result is normal.



Result:
Proceed to
OK
NG



OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Click hereAudio / Visual / Telematics>NAVIGATION / MULTI INFO DISPLAY>NAVIGATION SYSTEM>PROBLEM SYMPTOMS TABLE


NG

2.CHECK MICROPHONE AND VOICE RECOGNITION (INPUT TO RADIO AND DISPLAY RECEIVER ASSEMBLY)
2.CHECK MICROPHONE AND VOICE RECOGNITION (INPUT TO RADIO AND DISPLAY RECEIVER ASSEMBLY)
a.
E268457

Enter the "Microphone Check" screen. Refer to Check Microphone (Input to radio and display receiver assembly) in Operation Check.

Click hereAudio / Visual / Telematics>NAVIGATION / MULTI INFO DISPLAY>NAVIGATION SYSTEM>OPERATION CHECK


b.

When voice is input into the microphone, check that the microphone input level meter changes according to the input voice.

OK:

Check result is normal.



Result:
Proceed to
OK
NG



OK

3.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NAVIGATION ECU)

NG

5.CHECK MODEL
3.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NAVIGATION ECU)
a.

Disconnect the O6 radio and display receiver assembly connector.


b.

Disconnect the O9 navigation ECU connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
O6-25 (MCO+) - O9-13 (MIC+) Always Below 1 Ω
O6-26 (MCO-) - O9-14 (MIC-) Always Below 1 Ω
O6-25 (MCO+) or O9-13 (MIC+) - Body ground Always 10 kΩ or higher
O6-26 (MCO-) or O9-14 (MIC-) - Body ground Always 10 kΩ or higher
O6-24 (SGND) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

4.CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY (OUTPUT TO NAVIGATION ECU)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

4.CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY (OUTPUT TO NAVIGATION ECU)
a.
E368005
1.5,0.427 1.917,0.677 0.417,0.25 1.75,2.083 1.292,1.469 true 0.833,2.083 1.188,1.469 true 2.813,3.427 3.208,3.656 0.396,0.229 10 false GND 0.656,2.115 1.052,2.344 0.396,0.229 10 false MIC+ 0.167,0.135 0.563,0.365 0.396,0.229 10 false *a 1.625,0.469 2.021,0.698 0.396,0.229 10 false O9 1.646,2.115 2.042,2.344 0.396,0.229 10 false MIC-
*a Front view of wire harness connector
(to Navigation ECU)


Check the output waveform.

i.

Remove the navigation ECU with the connector(s) still connected.

Click hereAudio / Visual / Telematics>NAVIGATION / MULTI INFO DISPLAY>NAVIGATION ECU>REMOVAL


ii.

Turn the ignition switch to ACC.


iii.

Check the signal waveform according to the condition(s) in the table below.

Item Condition
Measurement terminal O9-13 (MIC+) - O9-14 (MIC-)
Tool setting 50 mV/DIV., 500 ms/DIV.
Vehicle condition
1.

Turn the ignition switch to ACC.

2.

Sound is input to the map light assembly when the user is closer than 125 mm (4.92 in.) from 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.




Result:
Proceed to
OK
NG



OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Click hereAudio / Visual / Telematics>NAVIGATION / MULTI INFO DISPLAY>NAVIGATION SYSTEM>PROBLEM SYMPTOMS TABLE


NG

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>RADIO RECEIVER>REMOVAL


5.CHECK MODEL
a.

Choose the model to be inspected.

Result:
Result Proceed to
w/ Telematics System (for Toyota Connected Services) A
w/o Telematics Transceiver B




A

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

B

17.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - MAP LIGHT ASSEMBLY)
6.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - MAP LIGHT ASSEMBLY)
a.

Disconnect the O7 radio and display receiver assembly connector.


b.

Disconnect the a19*1 or a22*2 map light assembly connector.

*1: except Wagon

*2: for Wagon



c.

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

Standard Resistance:
except Wagon
Tester Connection Condition Specified Condition
O7-25 (SNS2) - a19-11 (SNS2) Always Below 1 Ω
O7-25 (SNS2) - Body ground Always 10 kΩ or higher

for Wagon
Tester Connection Condition Specified Condition
O7-25 (SNS2) - a22-3 (SNS2) Always Below 1 Ω
O7-25 (SNS2) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

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

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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

Disconnect the O7 radio and display receiver assembly connector.


b.

Disconnect the N164 telematics transceiver connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
O7-21 (MIN+) - N164-16 (MCO+) Always Below 1 Ω
O7-22 (MIN-) - N164-32 (MCO-) Always Below 1 Ω
O7-21 (MIN+) or N164-16 (MCO+) - Body ground Always 10 kΩ or higher
O7-22 (MIN-) or N164-32 (MCO-) - Body ground Always 10 kΩ or higher
O7-24 (SGND) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

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

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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

Disconnect the N164 telematics transceiver connector.


b.

Disconnect the a19*1 or a22*2 map light assembly connector.

*1: except Wagon

*2: for Wagon



c.

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

Standard Resistance:
except Wagon
Tester Connection Condition Specified Condition
N164-5 (MCVD) - a19-8 (MACC) Always Below 1 Ω
N164-6 (MCI+) - a19-9 (MCO+) Always Below 1 Ω
N164-7 (MCI-) - a19-10 (MCO-) Always Below 1 Ω
N164-5 (MCVD) or a19-8 (MACC) - Body ground Always 10 kΩ or higher
N164-6 (MCI+) or a19-9 (MCO+) - Body ground Always 10 kΩ or higher
N164-7 (MCI-) or a19-10 (MCO-) - Body ground Always 10 kΩ or higher
N164-23 (SGND) - Body ground Always 10 kΩ or higher

for Wagon
Tester Connection Condition Specified Condition
N164-5 (MCVD) - a22-6 (MACC) Always Below 1 Ω
N164-6 (MCI+) - a22-5 (MCO+) Always Below 1 Ω
N164-7 (MCI-) - a22-4 (MCO-) Always Below 1 Ω
N164-5 (MCVD) or a22-6 (MACC) - Body ground Always 10 kΩ or higher
N164-6 (MCI+) or a22-5 (MCO+) - Body ground Always 10 kΩ or higher
N164-7 (MCI-) or a22-4 (MCO-) - Body ground Always 10 kΩ or higher
N164-23 (SGND) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

9.CHECK TELEMATICS TRANSCEIVER

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

9.CHECK TELEMATICS TRANSCEIVER
a.
E427105C78
1.521,0.615 1.948,0.865 0.427,0.25 2.24,1.719 2.458,0.542 2.458,0.542 2.667,0.542 true 2.406,1.708 2.563,0.948 2.563,0.948 2.74,0.948 true 2.646,2.615 2.479,2.615 2.479,2.615 2.292,1.813 true 0.24,0.135 0.552,0.292 0.313,0.156 10 false *a 2.729,0.479 3.125,0.635 0.396,0.156 10 false MCI- 2.802,0.875 3.302,1.052 0.5,0.177 10 false MCVD 2.708,2.573 3.208,2.75 0.5,0.177 10 false SGND 1.573,0.656 2.115,0.875 0.542,0.219 10 false N164
*a Component with harness connected
(Telematics Transceiver)


Remove the telematics transceiver with the connector(s) still connected.

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS TRANSCEIVER (for RHD)>REMOVAL


b.

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

Standard Voltage:
Tester Connection Switch Condition Specified Condition
N164-5 (MCVD) - Body ground Ignition switch ACC 4 to 6 V



c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
N164-7 (MCI-) - Body ground Always Below 1 Ω
N164-23 (SGND) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

10.CHECK MODEL

NG

REPLACE TELEMATICS TRANSCEIVER

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS TRANSCEIVER (for RHD)>REMOVAL


10.CHECK MODEL
a.

Choose the model to be inspected.

Result:
Result Proceed to
except Wagon A
for Wagon B




A

11.CHECK MAP LIGHT ASSEMBLY (OUTPUT TO RADIO AND DISPLAY RECEIVER ASSEMBLY)

B

14.CHECK MAP LIGHT ASSEMBLY (OUTPUT TO RADIO AND DISPLAY RECEIVER ASSEMBLY)
11.CHECK MAP LIGHT ASSEMBLY (OUTPUT TO RADIO AND DISPLAY RECEIVER ASSEMBLY)
a.
E408556C02
1.542,0.344 1.917,0.594 0.375,0.25 1.135,1.469 0.698,0.792 0.698,0.792 0.552,0.792 true 1.271,1.479 0.927,0.5 0.927,0.5 0.781,0.5 true 0.333,0.417 0.948,0.615 0.615,0.198 10 false MCO+ 0.125,0.708 0.74,0.906 0.615,0.198 10 false MCO- 1.625,0.396 2.24,0.594 0.615,0.198 10 false a19 2.813,3.438 3.427,3.635 0.615,0.198 10 false GND 0.135,0.094 0.75,0.292 0.615,0.198 10 false *a
*a Component with harness connected
(Map Light Assembly)


Check the output waveform.

i.

Remove the map light assembly with the connector(s) still connected.

Click hereVehicle Interior>LIGHTING (INT)>PERSONAL LIGHT>REMOVAL


ii.

Connect an oscilloscope to terminal a19-9 (MCO+) and a19-10 (MCO-) of the a19 map light assembly connector.


iii.

Turn the ignition switch to ACC.


iv.

Check the signal waveform according to the condition(s) in the table below.

Item Condition
Measurement terminal a19-9 (MCO+) - a19-10 (MCO-)
Tool setting 50 mV/DIV., 500 ms/DIV.
Vehicle condition
1.

Turn the ignition switch to ACC.

2.

Sound is input to the map light assembly when the user is closer than 125 mm (4.92 in.) from 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.




Result:
Proceed to
OK
NG



OK

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

NG

13.INSPECT MAP LIGHT ASSEMBLY
12.CHECK TELEMATICS TRANSCEIVER (OUTPUT TO RADIO AND DISPLAY RECEIVER ASSEMBLY)
a.
E364296C63
1.5,0.229 1.906,0.49 0.406,0.26 1.24,1.385 1.104,0.563 true 1.083,2.125 1.323,1.385 true 0.229,0.188 0.542,0.385 0.313,0.198 10 false *a 1.542,0.271 2,0.469 0.458,0.198 10 false N164 0.677,2.073 1.292,2.271 0.615,0.198 10 false MCO+ 0.719,0.406 1.333,0.604 0.615,0.198 10 false MCO- 2.823,3.458 3.24,3.656 0.417,0.198 10 false GND
*a Component with harness connected
(Telematics Transceiver)


Check the output waveform.

i.

Remove the telematics transceiver with the connector(s) still connected.

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS TRANSCEIVER (for RHD)>REMOVAL


ii.

Connect an oscilloscope to terminals 18 (MCO+) and 19 (MCO-) of the N164 telematics transceiver connector.


iii.

Turn the ignition switch to ON.


iv.

Check the signal waveform according to the condition(s) in the table below.

Item Condition
Measurement terminal N164-18 (MCO+) - N164-19 (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 (4.92 in.) from 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.




Result:
Proceed to
OK
NG



OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>RADIO RECEIVER>REMOVAL


NG

REPLACE TELEMATICS TRANSCEIVER

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS TRANSCEIVER (for RHD)>REMOVAL


13.INSPECT MAP LIGHT ASSEMBLY
a.
E408555C04
1.469,0.542 1.854,0.792 0.385,0.25 1.479,2.813 1.875,3.063 0.396,0.25 1,1.313 0.74,0.833 0.74,0.833 0.573,0.833 true 1.448,3.479 1.354,3.885 1.354,3.885 1.208,3.885 true 2.229,3.875 2.073,3.875 2.073,3.875 1.885,3.5 true 1.146,1.323 0.896,0.583 0.896,0.583 0.729,0.583 true 1.271,1.323 1.052,0.365 1.052,0.365 0.885,0.365 true 1.406,1.323 1.177,0.146 1.177,0.146 1.01,0.146 true 1.615,3.479 1.521,4.063 1.521,4.063 1.375,4.063 true 2.167,4.104 2.01,4.104 2.01,4.104 1.75,3.49 true 0.167,0.083 0.479,0.281 0.313,0.198 10 false *a 0.156,0.75 0.656,0.969 0.5,0.219 10 false SNS2 0.302,0.5 0.781,0.708 0.479,0.208 10 false MCO- 1.635,2.854 1.948,3.052 0.313,0.198 10 false A 1.563,0.594 2.042,0.802 0.479,0.208 10 false a19 0.76,3.802 1.26,4.021 0.5,0.219 10 false SNS2 1.031,3.99 1.51,4.198 0.479,0.208 10 false MIC- 0.448,0.281 0.927,0.49 0.479,0.208 10 false MCO+ 0.573,0.063 1.073,0.281 0.5,0.219 10 false MACC 2.292,3.792 2.792,4.01 0.5,0.219 10 false MACC 2.208,4.031 2.688,4.24 0.479,0.208 10 false MIC+ 0.208,2.771 0.521,2.969 0.313,0.198 10 false *b
*a Component without harness connected
(Map Light Assembly [Wire Harness Side])
*b Component without harness connected
(Map Light Assembly [Telephone Microphone Assembly Side])


Remove the map light assembly.

Click hereVehicle Interior>LIGHTING (INT)>PERSONAL LIGHT>REMOVAL


b.

Disconnect the telephone microphone assembly connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
a19-11 (SNS2) - A-1 (SNS2) Always Below 1 Ω
a19-8 (MACC) - A-4 (MACC) Always Below 1 Ω
a19-9 (MCO+) - A-3 (MIC+) Always Below 1 Ω
a19-10 (MCO-) - A-2 (MIC-) Always Below 1 Ω
a19-11 (SNS2) - a19-10 (MCO-) Always 10 kΩ or higher
a19-11 (SNS2) - a19-9 (MCO+) Always 10 kΩ or higher
a19-11 (SNS2) - a19-8 (MACC) Always 10 kΩ or higher
a19-10 (MCO-) - a19-9 (MCO+) Always 10 kΩ or higher
a19-10 (MCO-) - a19-8 (MACC) Always 10 kΩ or higher
a19-9 (MCO+) - a19-8 (MACC) Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

REPLACE TELEPHONE MICROPHONE ASSEMBLY

Click hereAudio / Visual / Telematics>TELEMATICS>TELEPHONE MICROPHONE ASSEMBLY>REMOVAL


NG

REPLACE MAP LIGHT ASSEMBLY

Click hereVehicle Interior>LIGHTING (INT)>PERSONAL LIGHT>REMOVAL


14.CHECK MAP LIGHT ASSEMBLY (OUTPUT TO RADIO AND DISPLAY RECEIVER ASSEMBLY)
a.
E419877C01
1.344,0.354 1.719,0.604 0.375,0.25 1.76,1.208 2.281,0.49 2.281,0.49 2.49,0.49 true 1.615,1.198 2.198,0.219 2.198,0.219 2.406,0.219 true 2.479,0.146 3.094,0.344 0.615,0.198 10 false MCO+ 1.417,0.375 2.031,0.573 0.615,0.198 10 false a22 2.813,3.438 3.427,3.635 0.615,0.198 10 false GND 0.135,0.094 0.75,0.292 0.615,0.198 10 false *a 2.552,0.417 3.167,0.615 0.615,0.198 10 false MCO-
*a Component with harness connected
(Map Light Assembly)


Check the output waveform.

i.

Remove the map light assembly with the connector(s) still connected.

Click hereVehicle Interior>LIGHTING (INT)>PERSONAL LIGHT (for Wagon)>REMOVAL


ii.

Connect an oscilloscope to terminal a22-5 (MCO+) and a22-4 (MCO-) of the a22 map light assembly connector.


iii.

Turn the ignition switch to ACC.


iv.

Check the signal waveform according to the condition(s) in the table below.

Item Condition
Measurement terminal a22-5 (MCO+) - a22-4 (MCO-)
Tool setting 50 mV/DIV., 500 ms/DIV.
Vehicle condition
1.

Turn the ignition switch to ACC.

2.

Sound is input to the map light assembly when the user is closer than 125 mm (4.92 in.) from 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.




Result:
Proceed to
OK
NG



OK

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

NG

16.INSPECT MAP LIGHT ASSEMBLY
15.CHECK TELEMATICS TRANSCEIVER (OUTPUT TO RADIO AND DISPLAY RECEIVER ASSEMBLY)
a.
E364296C63
1.5,0.229 1.906,0.49 0.406,0.26 1.24,1.385 1.104,0.563 true 1.083,2.125 1.323,1.385 true 0.229,0.188 0.542,0.385 0.313,0.198 10 false *a 1.542,0.271 2,0.469 0.458,0.198 10 false N164 0.677,2.073 1.292,2.271 0.615,0.198 10 false MCO+ 0.719,0.406 1.333,0.604 0.615,0.198 10 false MCO- 2.823,3.458 3.24,3.656 0.417,0.198 10 false GND
*a Component with harness connected
(Telematics Transceiver)


Check the output waveform.

i.

Remove the telematics transceiver with the connector(s) still connected.

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS TRANSCEIVER (for RHD)>REMOVAL


ii.

Connect an oscilloscope to terminals 18 (MCO+) and 19 (MCO-) of the N164 telematics transceiver connector.


iii.

Turn the ignition switch to ON.


iv.

Check the signal waveform according to the condition(s) in the table below.

Item Condition
Measurement terminal N164-18 (MCO+) - N164-19 (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 (4.92 in.) from 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.




Result:
Proceed to
OK
NG



OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>RADIO RECEIVER>REMOVAL


NG

REPLACE TELEMATICS TRANSCEIVER

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS TRANSCEIVER (for RHD)>REMOVAL


16.INSPECT MAP LIGHT ASSEMBLY
a.
E419874C03
1.458,0.396 1.844,0.646 0.385,0.25 1.5,2.823 1.885,3.073 0.385,0.25 1.979,1.365 2.396,0.427 2.396,0.427 2.594,0.427 true 2.094,1.375 2.479,0.708 2.479,0.708 2.677,0.708 true 1.656,1.375 0.969,0.542 0.969,0.542 0.781,0.542 true 1.333,3.5 1.24,3.885 1.24,3.885 1.052,3.885 true 1.5,3.49 1.365,4.156 1.365,4.156 1.177,4.156 true 1.938,3.51 2.063,3.792 2.063,3.792 2.26,3.792 true 1.635,3.5 1.833,4.115 1.833,4.115 2.031,4.115 true 1.792,1.375 2.24,0.146 2.24,0.146 2.438,0.146 true 0.104,0.125 0.417,0.323 0.313,0.198 10 false *a 0.125,2.458 0.458,2.656 0.333,0.198 10 false *b 2.677,0.344 3.177,0.563 0.5,0.219 10 false MCO- 2.49,0.063 2.969,0.271 0.479,0.208 10 false MCO+ 1.552,0.438 2.031,0.646 0.479,0.208 10 false a22 1.646,2.875 2.125,3.083 0.479,0.208 10 false B 2.781,0.625 3.26,0.833 0.479,0.208 10 false SNS2 0.323,0.469 0.823,0.688 0.5,0.219 10 false MACC 2.333,3.719 2.813,3.927 0.479,0.208 10 false MACC 2.104,4.042 2.583,4.25 0.479,0.208 10 false MIC+ 0.833,4.073 1.313,4.281 0.479,0.208 10 false MIC- 0.583,3.802 1.063,4.01 0.479,0.208 10 false SNS2
*a Component without harness connected
(Map Light Assembly [Wire Harness Side])
*b Component without harness connected
(Map Light Assembly [Telephone Microphone Assembly Side])


Remove the map light assembly.

Click hereVehicle Interior>LIGHTING (INT)>PERSONAL LIGHT (for Wagon)>REMOVAL


b.

Disconnect the telephone microphone assembly connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
a22-3 (SNS2) - B-1 (SNS2) Always Below 1 Ω
a22-6 (MACC) - B-5 (MACC) Always Below 1 Ω
a22-5 (MCO+) - B-3 (MIC+) Always Below 1 Ω
a22-4 (MCO-) - B-2 (MIC-) Always Below 1 Ω
a22-3 (SNS2) - a22-4 (MCO-) Always 10 kΩ or higher
a22-3 (SNS2) - a22-5 (MCO+) Always 10 kΩ or higher
a22-3 (SNS2) - a22-6 (MACC) Always 10 kΩ or higher
a22-4 (MCO-) - a22-5 (MCO+) Always 10 kΩ or higher
a22-4 (MCO-) - a22-6 (MACC) Always 10 kΩ or higher
a22-5 (MCO+) - a22-6 (MACC) Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

REPLACE TELEPHONE MICROPHONE ASSEMBLY

Click hereAudio / Visual / Telematics>TELEMATICS>TELEPHONE MICROPHONE ASSEMBLY>REMOVAL


NG

REPLACE MAP LIGHT ASSEMBLY

Click hereVehicle Interior>LIGHTING (INT)>PERSONAL LIGHT (for Wagon)>REMOVAL


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

Disconnect the O7 radio and display receiver assembly connector.


b.

Disconnect the a19*1 or a23*2 map light assembly connector.

*1: except Wagon

*2: for Wagon



c.

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

Standard Resistance:
except Wagon
Tester Connection Condition Specified Condition
O7-25 (SNS2) - a19-11 (SNS2) Always Below 1 Ω
O7-23 (MACC) - a19-8 (MACC) Always Below 1 Ω
O7-21 (MIN+) - a19-9 (MCO+) Always Below 1 Ω
O7-22 (MIN-) - a19-10 (MCO-) Always Below 1 Ω
O7-25 (SNS2) or a19-11 (SNS2) - Body ground Always 10 kΩ or higher
O7-23 (MACC) or a19-8 (MACC) - Body ground Always 10 kΩ or higher
O7-21 (MIN+) or a19-9 (MCO+) - Body ground Always 10 kΩ or higher
O7-22 (MIN-) or a19-10 (MCO-) - Body ground Always 10 kΩ or higher
O7-24 (SGND) - Body ground Always 10 kΩ or higher

for Wagon
Tester Connection Condition Specified Condition
O7-25 (SNS2) - a23-12 (SNS2) Always Below 1 Ω
O7-23 (MACC) - a23-9 (MACC) Always Below 1 Ω
O7-21 (MIN+) - a23-10 (MCO+) Always Below 1 Ω
O7-22 (MIN-) - a23-11 (MCO-) Always Below 1 Ω
O7-25 (SNS2) - Body ground Always 10 kΩ or higher
O7-23 (MACC) - Body ground Always 10 kΩ or higher
O7-21 (MIN+) - Body ground Always 10 kΩ or higher
O7-22 (MIN-) - Body ground Always 10 kΩ or higher
O7-24 (SGND) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

18.CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

18.CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY
a.
E408584
1.531,0.729 1.896,1.01 0.365,0.281 1.292,2.792 1.802,2.156 true 2.813,2.604 2.052,2.156 true 2.354,2.948 1.927,2.146 true 0.25,0.24 0.563,0.438 0.313,0.198 10 false *a 1.625,0.781 1.938,0.979 0.313,0.198 10 false O7 1.042,2.813 1.49,3.052 0.448,0.24 10 false SGND 2.865,2.563 3.24,2.771 0.375,0.208 10 false MIN- 2.417,2.938 2.865,3.177 0.448,0.24 10 false MACC
*a Component with harness connected
(Radio and Display Receiver Assembly)


Remove the radio and display receiver assembly with the connector(s) still connected.

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>RADIO RECEIVER>REMOVAL


b.

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

Standard Voltage:
Tester Connection Switch Condition Specified Condition
O7-23 (MACC) - Body ground Ignition switch ACC 4 to 6 V



c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
O7-24 (SGND) - Body ground Always Below 1 Ω
O7-22 (MIN-) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

19.CHECK MODEL

NG

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>RADIO RECEIVER>REMOVAL


19.CHECK MODEL
a.

Choose the model to be inspected.

Result:
Result Proceed to
except Wagon A
for Wagon B




A

20.CHECK MAP LIGHT ASSEMBLY (OUTPUT TO RADIO AND DISPLAY RECEIVER)

B

22.CHECK MAP LIGHT ASSEMBLY (OUTPUT TO RADIO AND DISPLAY RECEIVER ASSEMBLY)
20.CHECK MAP LIGHT ASSEMBLY (OUTPUT TO RADIO AND DISPLAY RECEIVER)
a.
E408556C02
1.542,0.344 1.917,0.594 0.375,0.25 1.135,1.469 0.698,0.792 0.698,0.792 0.552,0.792 true 1.271,1.479 0.927,0.5 0.927,0.5 0.781,0.5 true 0.333,0.417 0.948,0.615 0.615,0.198 10 false MCO+ 0.125,0.708 0.74,0.906 0.615,0.198 10 false MCO- 1.625,0.396 2.24,0.594 0.615,0.198 10 false a19 2.813,3.438 3.427,3.635 0.615,0.198 10 false GND 0.135,0.094 0.75,0.292 0.615,0.198 10 false *a
*a Component with harness connected
(Map Light Assembly)


Check the output waveform.

i.

Remove the map light assembly with the connector(s) still connected.

Click hereVehicle Interior>LIGHTING (INT)>PERSONAL LIGHT>REMOVAL


ii.

Connect an oscilloscope to terminal a19-9 (MCO+) and a19-10 (MCO-) of the a22 map light assembly connector.


iii.

Turn the ignition switch to ACC.


iv.

Check the signal waveform according to the condition(s) in the table below.

Item Condition
Measurement terminal a19-9 (MCO+) - a19-10 (MCO-)
Tool setting 50 mV/DIV., 500 ms/DIV.
Vehicle condition
1.

Turn the ignition switch to ACC.

2.

Sound is input to the map light assembly when the user is closer than 125 mm (4.92 in.) from 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.




Result:
Proceed to
OK
NG



OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>RADIO RECEIVER>REMOVAL


NG

21.INSPECT MAP LIGHT ASSEMBLY
21.INSPECT MAP LIGHT ASSEMBLY
a.
E408555C04
1.469,0.542 1.854,0.792 0.385,0.25 1.479,2.813 1.875,3.063 0.396,0.25 1,1.313 0.74,0.833 0.74,0.833 0.573,0.833 true 1.448,3.479 1.354,3.885 1.354,3.885 1.208,3.885 true 2.229,3.875 2.073,3.875 2.073,3.875 1.885,3.5 true 1.146,1.323 0.896,0.583 0.896,0.583 0.729,0.583 true 1.271,1.323 1.052,0.365 1.052,0.365 0.885,0.365 true 1.406,1.323 1.177,0.146 1.177,0.146 1.01,0.146 true 1.615,3.479 1.521,4.063 1.521,4.063 1.375,4.063 true 2.167,4.104 2.01,4.104 2.01,4.104 1.75,3.49 true 0.167,0.083 0.479,0.281 0.313,0.198 10 false *a 0.156,0.75 0.656,0.969 0.5,0.219 10 false SNS2 0.302,0.5 0.781,0.708 0.479,0.208 10 false MCO- 1.635,2.854 1.948,3.052 0.313,0.198 10 false A 1.563,0.594 2.042,0.802 0.479,0.208 10 false a19 0.76,3.802 1.26,4.021 0.5,0.219 10 false SNS2 1.031,3.99 1.51,4.198 0.479,0.208 10 false MIC- 0.448,0.281 0.927,0.49 0.479,0.208 10 false MCO+ 0.573,0.063 1.073,0.281 0.5,0.219 10 false MACC 2.292,3.792 2.792,4.01 0.5,0.219 10 false MACC 2.208,4.031 2.688,4.24 0.479,0.208 10 false MIC+ 0.208,2.771 0.521,2.969 0.313,0.198 10 false *b
*a Component without harness connected
(Map Light Assembly [Wire Harness Side])
*b Component without harness connected
(Map Light Assembly [Telephone Microphone Assembly Side])


Remove the map light assembly.

Click hereVehicle Interior>LIGHTING (INT)>PERSONAL LIGHT>REMOVAL


b.

Disconnect the telephone microphone assembly connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
a19-11 (SNS2) - A-1 (SNS2) Always Below 1 Ω
a19-8 (MACC) - A-4 (MACC) Always Below 1 Ω
a19-9 (MCO+) - A-3 (MIC+) Always Below 1 Ω
a19-10 (MCO-) - A-2 (MIC-) Always Below 1 Ω
a19-11 (SNS2) - a19-10 (MCO-) Always 10 kΩ or higher
a19-11 (SNS2) - a19-9 (MCO+) Always 10 kΩ or higher
a19-11 (SNS2) - a19-8 (MACC) Always 10 kΩ or higher
a19-10 (MCO-) - a19-9 (MCO+) Always 10 kΩ or higher
a19-10 (MCO-) - a19-8 (MACC) Always 10 kΩ or higher
a19-9 (MCO+) - a19-8 (MACC) Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

REPLACE TELEPHONE MICROPHONE ASSEMBLY

Click hereAudio / Visual / Telematics>TELEMATICS>TELEPHONE MICROPHONE ASSEMBLY>REMOVAL


NG

REPLACE MAP LIGHT ASSEMBLY

Click hereVehicle Interior>LIGHTING (INT)>PERSONAL LIGHT>REMOVAL


22.CHECK MAP LIGHT ASSEMBLY (OUTPUT TO RADIO AND DISPLAY RECEIVER ASSEMBLY)
a.
E473791C01
1.458,0.25 1.833,0.5 0.375,0.25 1.76,1.208 2.083,1.833 2.083,1.833 2.25,1.833 true 0.917,1.833 1.083,1.833 1.083,1.833 1.49,1.25 true 2.323,1.76 2.938,1.958 0.615,0.198 10 false MCO+ 1.531,0.292 2.146,0.49 0.615,0.198 10 false a23 2.813,3.438 3.427,3.635 0.615,0.198 10 false GND 0.135,0.094 0.75,0.292 0.615,0.198 10 false *a 0.479,1.74 1.094,1.938 0.615,0.198 10 false MCO-
*a Component with harness connected
(Map Light Assembly)


Check the output waveform.

i.

Remove the map light assembly with the connector(s) still connected.

Click hereVehicle Interior>LIGHTING (INT)>PERSONAL LIGHT (for Wagon)>REMOVAL


ii.

Connect an oscilloscope to terminal a23-10 (MCO+) and a23-11 (MCO-) of the a23 map light assembly connector.


iii.

Turn the ignition switch to ACC.


iv.

Check the signal waveform according to the condition(s) in the table below.

Item Condition
Measurement terminal a23-10 (MCO+) - a23-11 (MCO-)
Tool setting 50 mV/DIV., 500 ms/DIV.
Vehicle condition
1.

Turn the ignition switch to ACC.

2.

Sound is input to the map light assembly when the user is closer than 125 mm (4.92 in.) from 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.




Result:
Proceed to
OK
NG



OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>RADIO RECEIVER>REMOVAL


NG

23.INSPECT MAP LIGHT ASSEMBLY
23.INSPECT MAP LIGHT ASSEMBLY
a.
E473792C01
1.458,0.396 1.844,0.646 0.385,0.25 1.5,2.823 1.885,3.073 0.385,0.25 1.333,3.5 1.24,3.885 1.24,3.885 1.052,3.885 true 1.5,3.49 1.365,4.156 1.365,4.156 1.177,4.156 true 1.938,3.51 2.063,3.792 2.063,3.792 2.26,3.792 true 1.635,3.5 1.833,4.115 1.833,4.115 2.031,4.115 true 1.479,1.698 1.385,2.083 1.385,2.083 1.198,2.083 true 1.563,1.698 1.427,2.365 1.427,2.365 1.24,2.365 true 1.823,1.729 1.948,2.01 1.948,2.01 2.146,2.01 true 1.75,1.698 1.948,2.313 1.948,2.313 2.146,2.313 true 0.104,0.125 0.417,0.323 0.313,0.198 10 false *a 0.125,2.604 0.458,2.802 0.333,0.198 10 false *b 0.792,2.271 1.292,2.49 0.5,0.219 10 false MCO- 2.188,2.24 2.667,2.448 0.479,0.208 10 false MCO+ 1.552,0.438 2.031,0.646 0.479,0.208 10 false a23 1.646,2.875 2.125,3.083 0.479,0.208 10 false B 0.781,2 1.26,2.208 0.479,0.208 10 false SNS2 2.208,1.927 2.708,2.146 0.5,0.219 10 false MACC 2.333,3.719 2.813,3.927 0.479,0.208 10 false MACC 2.104,4.042 2.583,4.25 0.479,0.208 10 false MIC+ 0.833,4.073 1.313,4.281 0.479,0.208 10 false MIC- 0.583,3.802 1.063,4.01 0.479,0.208 10 false SNS2
*a Component without harness connected
(Map Light Assembly [Wire Harness Side])
*b Component without harness connected
(Map Light Assembly [Telephone Microphone Assembly Side])


Remove the map light assembly.

Click hereVehicle Interior>LIGHTING (INT)>PERSONAL LIGHT (for Wagon)>REMOVAL


b.

Disconnect the telephone microphone assembly connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
a23-12 (SNS2) - B-1 (SNS2) Always Below 1 Ω
a23-9 (MACC) - B-5 (MACC) Always Below 1 Ω
a23-10 (MCO+) - B-3 (MIC+) Always Below 1 Ω
a23-11 (MCO-) - B-2 (MIC-) Always Below 1 Ω
a23-12 (SNS2) - a23-11 (MCO-) Always 10 kΩ or higher
a23-12 (SNS2) - a23-10 (MCO+) Always 10 kΩ or higher
a23-12 (SNS2) - a23-9 (MACC) Always 10 kΩ or higher
a23-11 (MCO-) - a23-10 (MCO+) Always 10 kΩ or higher
a23-11 (MCO-) - a23-9 (MACC) Always 10 kΩ or higher
a23-10 (MCO+) - a23-9 (MACC) Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

REPLACE TELEPHONE MICROPHONE ASSEMBLY

Click hereAudio / Visual / Telematics>TELEMATICS>TELEPHONE MICROPHONE ASSEMBLY>REMOVAL


NG

REPLACE MAP LIGHT ASSEMBLY

Click hereVehicle Interior>LIGHTING (INT)>PERSONAL LIGHT (for Wagon)>REMOVAL