RM3660EC _56 Audio / Visual / Telematics _080751 AUDIO / VIDEO _0599626 AUDIO AND VISUAL SYSTEM(for 10.25 Inch Display) J

AUDIO / VIDEO  AUDIO AND VISUAL SYSTEM(for 10.25 Inch Display)  Microphone Circuit  


WIRING DIAGRAM

E514436
5.76,0.844 6.208,1.01 0.448,0.167 10 false SNS*2 5.76,1.344 6.115,1.51 0.354,0.167 10 false MIN+ 5.771,1.76 6.104,1.948 0.333,0.188 10 false MIN- 5.771,2.177 6.271,2.344 0.5,0.167 10 false SGND 5.385,0.74 5.635,0.906 0.25,0.167 10 false 25 5.375,1.583 5.625,1.75 0.25,0.167 10 false 22 5.375,1.167 5.625,1.333 0.25,0.167 10 false 21 5.385,2 5.635,2.167 0.25,0.167 10 false 24 3.188,2.948 3.438,3.115 0.25,0.167 10 false I72 5.323,0.948 5.656,1.115 0.333,0.167 10 false I209 4.646,2.073 4.969,2.396 0.323,0.323 10 false *1 1.802,0.854 2.052,1.021 0.25,0.167 10 false 5 1.792,1.26 2.042,1.427 0.25,0.167 10 false 1 1.792,1.688 2.042,1.854 0.25,0.167 10 false 2 1.792,2.083 2.042,2.25 0.25,0.167 10 false 4 4.167,1.271 4.417,1.438 0.25,0.167 10 false 16 3.052,1.26 3.302,1.427 0.25,0.167 10 false 5 3,2.5 3.25,2.667 0.25,0.167 10 false 23 4.177,1.688 4.427,1.854 0.25,0.167 10 false 32 3.229,1.375 3.656,1.542 0.427,0.167 10 false MCVD 3.24,1.792 3.688,1.958 0.448,0.167 10 false MCI+ 3.24,2.198 3.667,2.375 0.427,0.177 10 false MCI- 3.25,2.625 3.677,2.792 0.427,0.167 10 false SGND 0.24,3.177 1.458,3.438 1.219,0.26 10 false *1: Shielded 0.76,2.552 0.958,2.729 0.198,0.177 10 false T2 0.76,2.75 2.167,3.229 1.406,0.479 10 false Telephone Microphone Assembly LH 5.688,2.979 6.896,3.365 1.208,0.385 10 false Radio and Display Receiver Assembly 3.156,3.125 4.615,3.625 1.458,0.5 10 false Telematics Transceiver 3.708,1.365 4.135,1.563 0.427,0.198 10 false MCO+ 3.719,1.771 4.146,1.969 0.427,0.198 10 false MCO- 3.052,1.656 3.302,1.823 0.25,0.167 10 false 6 3.063,2.083 3.313,2.25 0.25,0.167 10 false 7 1.354,0.958 1.802,1.125 0.448,0.167 10 false SNS1 1.323,1.781 1.771,1.948 0.448,0.167 10 false MO1+ 1.323,2.188 1.771,2.354 0.448,0.167 10 false MO1- 1.333,1.375 1.781,1.542 0.448,0.167 10 false MAC1 5.344,1.375 5.677,1.542 0.333,0.167 10 false I209 5.333,1.792 5.667,1.958 0.333,0.167 10 false I209 5.344,2.198 5.677,2.365 0.333,0.167 10 false I209 5.76,1.031 6.49,1.26 0.729,0.229 10 false SNS1*3 0.24,3.375 3.51,3.708 3.271,0.333 10 false *2: except M15C-FKS, 8ZR-FXE GTMC Made 0.24,3.594 3.208,3.802 2.969,0.208 10 false *3: for M15C-FKS, 8ZR-FXE GTMC Made 2.5,2.49 2.823,2.813 0.323,0.323 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 (for 10.25 Inch Display)>PRECAUTION

·

Before replacing the telematics transceiver, refer to Service Bulletin.



PROCEDURE

1.CHECK MICROPHONE
a.
E509590
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 (for 10.25 Inch Display)>DIAGNOSIS SYSTEM


b.

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


c.

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


d.

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

OK:

The microphone input levels of the gauge 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



A

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B

2.CHECK TELEMATICS TRANSCEIVER (MICROPHONE POWER SOURCE AND BODY GROUND)
2.CHECK TELEMATICS TRANSCEIVER (MICROPHONE POWER SOURCE AND BODY GROUND)
HINT:

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


a.
E431682C12
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 1.604,0.552 1.865,0.74 0.26,0.188 10 false I72 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
I72-7 (MCI-) - Body ground Always Below 1 Ω
I72-23 (SGND) - Body ground Always Below 1 Ω



b.

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

Standard Voltage:
Tester Connection Condition Specified Condition
I72-5 (MCVD) - Body ground Ignition switch ON 7.5 to 8.5 V



Result:
Proceed to
OK
NG



OK

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

NG

9.CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - TELEPHONE MICROPHONE ASSEMBLY LH)
3.CHECK TELEMATICS TRANSCEIVER (OUTPUT TO RADIO AND DISPLAY RECEIVER ASSEMBLY)
HINT:

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


a.
E425736C54
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 1.615,0.25 1.854,0.427 0.24,0.177 10 false I72 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 I72-16 (MCO+) - I72-32 (MCO-)
Tool setting 50 mV/DIV., 500 ms/DIV.
Vehicle condition
1.

Turn the ignition switch to ON

2.

Sound is input to the telephone microphone assembly when the user is closer than 125 mm from the telephone microphone assembly LH sound holes in the roof headlining holder cover



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



A

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

B

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

Disconnect the I209 radio and display receiver assembly connector.


b.

Disconnect the I72 telematics transceiver connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
I209-21 (MIN+) - I72-16 (MCO+) Always Below 1 Ω
I209-22 (MIN-) - I72-32 (MCO-) Always Below 1 Ω
I209-21 (MIN+) or I72-16 (MCO+) - Body ground Always 8 kΩ or higher
I209-22 (MIN-) or I72-32 (MCO-) - Body ground Always 10 kΩ or higher
I209-24 (SGND) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

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NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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

Disconnect the I209 radio and display receiver assembly connector.


b.

Disconnect the I72 telematics transceiver connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
I209-21 (MIN+) - I72-16 (MCO+) Always Below 1 Ω
I209-22 (MIN-) - I72-32 (MCO-) Always Below 1 Ω
I209-21 (MIN+) or I72-16 (MCO+) - Body ground Always 8 kΩ or higher
I209-22 (MIN-) or I72-32 (MCO-) - Body ground Always 10 kΩ or higher
I209-24 (SGND) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

6.CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - TELEPHONE MICROPHONE ASSEMBLY LH)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

6.CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - TELEPHONE MICROPHONE ASSEMBLY LH)
a.

Disconnect the I72 telematics transceiver connector.


b.

Disconnect the T2 telephone microphone assembly LH connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
I72-5 (MCVD) - T2-1 (MAC1) Always Below 1 Ω
I72-6 (MCI+) - T2-2 (MO1+) Always Below 1 Ω
I72-7 (MCI-) - T2-4 (MO1-) Always Below 1 Ω
I72-5 (MCVD) or T2-1 (MAC1) - Body ground Always 10 kΩ or higher
I72-6 (MCI+) or T2-2 (MO1+) - Body ground Always 10 kΩ or higher
I72-7 (MCI-) or T2-4 (MO1-) - Body ground Always 10 kΩ or higher
I72-23 (SGND) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

7.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - TELEPHONE MICROPHONE ASSEMBLY LH)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

7.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - TELEPHONE MICROPHONE ASSEMBLY LH)
a.

Disconnect the I209 radio and display receiver assembly connector.


b.

Disconnect the T2 telephone microphone assembly LH connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition

*1: except M15C-FKS, 8ZR-FXE GTMC Made

*2: for M15C-FKS, 8ZR-FXE GTMC Made

I209-25 (SNS) - T2-5 (SNS1)*1 Always Below 1 Ω
I209-25 (SNS1) - T2-5 (SNS1)*2 Always Below 1 Ω
I209-25 (SNS) or T2-5 (SNS1) - Body ground*1 Always 10 kΩ or higher
I209-25 (SNS1) or T2-5 (SNS1) - Body ground*2 Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

8.CHECK TELEPHONE MICROPHONE ASSEMBLY LH (OUTPUT TO TELEMATICS TRANSCEIVER)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

8.CHECK TELEPHONE MICROPHONE ASSEMBLY LH (OUTPUT TO TELEMATICS TRANSCEIVER)
a.
E466819C57
1.5,0.313 1.906,0.573 0.406,0.26 1,1.875 1.49,1.344 true 2.438,1.875 1.917,1.344 true 0.094,0.375 0.406,0.573 0.313,0.198 10 false *a 2.781,3.417 3.125,3.594 0.344,0.177 10 false GND 1.625,0.344 1.833,0.542 0.208,0.198 10 false T2 0.844,1.865 1.229,2.052 0.385,0.188 10 false MO1- 2.292,1.875 2.74,2.052 0.448,0.177 10 false MO1+
*a Component with harness connected
(Telephone Microphone Assembly LH)


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

Item Condition
Tester Connection T2-2 (MO1+) - T2-4 (MO1-)
Tool setting 50 mV/DIV., 500 ms/DIV.
Vehicle condition
1.

Turn the ignition switch to ON

2.

Sound is input to the telephone microphone assembly when the user is closer than 125 mm from the telephone microphone assembly LH sound holes in the roof headlining holder cover



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



A

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B

REPLACE TELEPHONE MICROPHONE ASSEMBLY LH

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>MICROPHONE>REMOVAL


9.CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - TELEPHONE MICROPHONE ASSEMBLY LH)
a.

Disconnect the I72 telematics transceiver connector.


b.

Disconnect the T2 telephone microphone assembly LH connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
I72-5 (MCVD) - T2-1 (MAC1) Always Below 1 Ω
I72-6 (MCI+) - T2-2 (MO1+) Always Below 1 Ω
I72-7 (MCI-) - T2-4 (MO1-) Always Below 1 Ω
I72-5 (MCVD) or T2-1 (MAC1) - Body ground Always 10 kΩ or higher
I72-6 (MCI+) or T2-2 (MO1+) - Body ground Always 10 kΩ or higher
I72-7 (MCI-) or T2-4 (MO1-) - Body ground Always 10 kΩ or higher
I72-23 (SGND) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

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

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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

Disconnect the I209 radio and display receiver assembly connector.


b.

Disconnect the I72 telematics transceiver connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
I209-21 (MIN+) - I72-16 (MCO+) Always Below 1 Ω
I209-22 (MIN-) - I72-32 (MCO-) Always Below 1 Ω
I209-21 (MIN+) or I72-16 (MCO+) - Body ground Always 8 kΩ or higher
I209-22 (MIN-) or I72-32 (MCO-) - Body ground Always 10 kΩ or higher
I209-24 (SGND) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

REPLACE TELEMATICS TRANSCEIVER

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS TRANSCEIVER>REMOVAL


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR