RM3660EC _56 Audio / Visual / Telematics _080752 NAVIGATION / MULTI INFO DISPLAY _0391865 NAVIGATION SYSTEM(for Gasoline Model with RST Switch) J

NAVIGATION / MULTI INFO DISPLAY  NAVIGATION SYSTEM(for Gasoline Model with RST Switch)  Mute Signal Circuit between Navigation Receiver and Telematics Transceiver  


DESCRIPTION

The telematics transceiver sends a mute signal to the navigation receiver assembly.

The navigation receiver assembly controls the volume according to the mute signal from the telematics transceiver.

WIRING DIAGRAM

E420194E06
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 I167 0.677,2.083 1.917,2.573 1.24,0.49 10 false Navigation Receiver Assembly 5.26,2.063 6.781,2.427 1.521,0.365 10 false Telematics Transceiver 5.271,1.896 5.885,2.094 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 Navigation System.

Click hereAudio / Visual / Telematics>NAVIGATION / MULTI INFO DISPLAY>NAVIGATION SYSTEM (for Gasoline Model with RST Switch)>PRECAUTION

·

Before replacing the telematics transceiver, refer to Service Bulletin.



PROCEDURE

1.INSPECT TELEMATICS TRANSCEIVER
a.
E413603C06
1.5,0.802 1.896,1.052 0.396,0.25 0.969,1.813 0.594,0.823 false 0.188,0.125 0.5,0.323 0.313,0.198 10 false *a 0.365,0.646 0.875,0.854 0.51,0.208 10 false MUTE 1.594,0.833 1.906,1.031 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>NAVIGATION / MULTI INFO DISPLAY>NAVIGATION SYSTEM (for Gasoline Model with RST Switch)>PROBLEM SYMPTOMS TABLE


NG

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

Disconnect the I167 navigation 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
I167-8 (TMUT) - I72-14 (MUTE) Always Below 1 Ω
I167-8 (TMUT) or I72-14 (MUTE) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

3.INSPECT NAVIGATION RECEIVER ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

3.INSPECT NAVIGATION RECEIVER ASSEMBLY
a.

Disconnect the I72 telematics transceiver connector.


b.
E413604C04
1.479,0.719 1.969,1.01 0.49,0.292 2.469,2.135 2.646,2.635 false 0.188,0.167 0.354,0.323 0.167,0.156 10 false *a 2.531,2.667 2.958,2.823 0.427,0.156 10 false MUTE 1.625,0.771 1.969,0.969 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 NAVIGATION RECEIVER ASSEMBLY

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