B1562

NAVIGATION: NAVIGATION SYSTEM: B1562: XM Tuner Disconnected (Burst Mode)
B1562 - XM Tuner Disconnected (Burst Mode)

DESCRIPTION

The navigation receiver assembly and stereo component tuner assembly are connected by the AVC-LAN plus communication lines.

When an AVC-LAN plus communication error occurs between the navigation receiver assembly and stereo component tuner assembly, this DTC will be stored.





HINT
The navigation receiver assembly is the master unit.

WIRING DIAGRAM





INSPECTION PROCEDURE

NOTICE:
After replacing the stereo component tuner assembly of vehicles subscribed to pay-type satellite radio broadcasts, registration of the XM radio ID is necessary.

PROCEDURE

1. CHECK DTC

(a) Clear the DTC Reading and Clearing Diagnostic Trouble Codes.

(b) Recheck for DTC and check if the same trouble occurs again.

OK:

No DTC is output.

NG -- CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - STEREO COMPONENT TUNER)

OK -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting

2. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - STEREO COMPONENT TUNER)

(a) Disconnect the navigation receiver assembly connector.





(b) Disconnect the stereo component tuner assembly connector.





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

Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

3. INSPECT STEREO COMPONENT TUNER ASSEMBLY

(a) Disconnect the stereo component tuner assembly connector.





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

Standard Resistance:





Text in Illustration





NG -- REPLACE STEREO COMPONENT TUNER ASSEMBLY Removal

OK -- REPLACE NAVIGATION RECEIVER ASSEMBLY Removal