Mute Signal Circuit between Navigation Receiver Assembly and Television Display Assembly [08/2013 - ]: Procedure
- INSPECT TELEVISION DISPLAY ASSEMBLY
- Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection Condition Specified Condition U1-11 (MUTE) - Body ground Ignition switch ACC, RSE system playing → Changing mode Above 3.5 V → Below 1 V TEXT IN ILLUSTRATION*a Component with harness connected
(Television Display Assembly)
NG → See step 2
OK → See step 5
- Measure the voltage according to the value(s) in the table below.
- CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - TELEVISION DISPLAY ASSEMBLY)
- Disconnect the D59 navigation receiver assembly connector.
- Disconnect the U1 television display assembly connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition D59-6 (MUTE) - U1-11 (MUTE) Always Below 1 Ω D59-6 (MUTE) - Body ground Always 10 kΩ or higher
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: Go to next step
- INSPECT NAVIGATION RECEIVER ASSEMBLY (OUTPUT SIGNAL)
- Reconnect the navigation receiver assembly connector.
- Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection Condition Specified Condition U1-11 (MUTE) - Body ground Ignition switch ACC, RSE system playing Above 3.5 V TEXT IN ILLUSTRATION*a Front view of wire harness connector
(to Television Display Assembly)
NG → See step 4
OK → See step 6
- REPLACE NAVIGATION RECEIVER ASSEMBLY. Refer to REMOVAL [08/2013 - ]
- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE [08/2013 - ]
- REPLACE TELEVISION DISPLAY ASSEMBLY. Refer to REMOVAL [08/2013 - ]