AVC-LAN Plus Circuit

NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: AVC-LAN Plus Circuit

AVC-LAN Plus Circuit

DESCRIPTION

The navigation system uses AVC-LAN plus communication between components when performing sound library recording, and when displaying the satellite radio traffic information screen.
If a +B short, ground short, or other malfunction occurs in the AVC-LAN plus circuit, communication is stopped and the system does not operate normally.

WIRING DIAGRAM





INSPECTION PROCEDURE
NOTICE:
After replacing the satellite radio tuner of vehicles subscribed to pay-type satellite radio broadcasts, ID registration is necessary.

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (DISPLAY AND NAVIGATION MODULE DISPLAY - RADIO RECEIVER AND SATELLITE RADIO TUNER)





(a) Disconnect the F35 display connector.
(b) Disconnect the F24 receiver connector.
(c) Disconnect the L38 tuner connector.
(d) Measure the resistance according to the value(s) in the table below.
Standard Resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
2. INSPECT RADIO RECEIVER ASSEMBLY





(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:






NG -- REPLACE RADIO RECEIVER ASSEMBLY
OK -- Continue to next step.
3. INSPECT SATELLITE RADIO TUNER





(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:






NG -- REPLACE SATELLITE RADIO TUNER ASSEMBLY
OK -- Continue to next step.
4. INSPECT DISPLAY AND NAVIGATION MODULE DISPLAY





(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:






NG -- REPLACE DISPLAY AND NAVIGATION MODULE DISPLAY
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE