RM3660EC _56 Audio / Visual / Telematics _080751 AUDIO / VIDEO _0392314 AUDIO AND VISUAL SYSTEM(for Gasoline Model with Radio and Display Type (except 10.25 Inch Display)) J

AUDIO / VIDEO  AUDIO AND VISUAL SYSTEM(for Gasoline Model with Radio and Display Type (except 10.25 Inch Display))  Mute Signal Circuit between Radio Receiver and Telematics Transceiver  


DESCRIPTION

The telematics transceiver sends a mute signal to the radio and display receiver assembly.

The radio and display receiver assembly controls the volume according to the mute signal from the telematics transceiver.

WIRING DIAGRAM

E336503E91
1.271,1.031 1.885,1.229 0.615,0.198 10 false TMUT 1.729,0.917 2.344,1.115 0.615,0.198 10 false 8 5.292,0.917 5.906,1.115 0.615,0.198 10 false 14 5.531,1.021 6.146,1.219 0.615,0.198 10 false MUTE 0.688,1.917 1.302,2.115 0.615,0.198 10 false I165 0.677,2.083 1.885,2.573 1.208,0.49 10 false Radio and Display Receiver Assembly 5.115,2.063 7.031,2.354 1.917,0.292 10 false Telematics Transceiver 5.115,1.896 5.729,2.094 0.615,0.198 10 false I72

CAUTION / NOTICE / HINT

NOTICE:
·

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

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>AUDIO AND VISUAL SYSTEM (for Gasoline Model with Radio and Display Type (except 10.25 Inch Display))>PRECAUTION

·

Before replacing the telematics transceiver, refer to Service Bulletin.



PROCEDURE

1.INSPECT TELEMATICS TRANSCEIVER
a.
E413603C01
1.5,0.802 1.896,1.052 0.396,0.25 0.958,1.813 0.75,1.031 false 0.188,0.125 0.5,0.323 0.313,0.198 10 false *a 0.563,0.833 1.073,1.042 0.51,0.208 10 false MUTE 1.594,0.844 1.906,1.042 0.313,0.198 10 false I72
*a Component with harness connected
(Telematics Transceiver)


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

Standard Voltage:
Tester Connection Condition Specified Condition
I72-14 (MUTE) - Body ground Engine switch on (ACC)
Audio system playing
→ Emergency call mode 		2.0 V or higher
→ Below 1 V



Result:
Proceed to
OK
NG



OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>AUDIO AND VISUAL SYSTEM (for Gasoline Model with Radio and Display Type (except 10.25 Inch Display))>PROBLEM SYMPTOMS TABLE


NG

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

Disconnect the I165 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
I165-8 (TMUT) - I72-14 (MUTE) Always Below 1 Ω
I165-8 (TMUT) or I72-14 (MUTE) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

3.INSPECT RADIO AND DISPLAY RECEIVER ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

3.INSPECT RADIO AND DISPLAY RECEIVER ASSEMBLY
a.

Disconnect the I72 telematics transceiver connector.


b.
E413604C01
1.5,0.75 1.917,1 0.417,0.25 2.458,2.146 2.635,2.646 false 0.188,0.167 0.354,0.323 0.167,0.156 10 false *a 2.49,2.667 2.917,2.823 0.427,0.156 10 false MUTE 1.615,0.792 1.958,0.99 0.344,0.198 10 false I72
*a Front view of wire harness connector
(to Telematics Transceiver)


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

Standard Voltage:
Tester Connection Condition Specified Condition
I72-14 (MUTE) - Body ground Engine switch on (ACC) 2.0 V or higher



Result:
Proceed to
OK
NG



OK

REPLACE TELEMATICS TRANSCEIVER

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


NG

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

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