AVC-LAN Circuit

AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for Radio and Display Type without Intuitive Parking Assist System): AVC-LAN Circuit
- AVC-LAN Circuit

DESCRIPTION

Each unit of the audio and visual system connected to the AVC-LAN (communication bus) transfers the switch signals using the AVC-LAN.

If a short to +B or short to ground occurs in the AVC-LAN, the audio and visual system will not function normally because communication is not possible.

WIRING DIAGRAM





INSPECTION PROCEDURE

NOTICE:
After replacing the radio and display receiver assembly of vehicles subscribed to pay-type satellite radio broadcasts, XM radio ID registration is necessary (w/ SDARS System).

HINT
The radio and display receiver assembly is the master unit.

PROCEDURE

1. INSPECT RADIO AND DISPLAY RECEIVER ASSEMBLY

(a) Disconnect the radio and display receiver assembly connector.

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





Standard Resistance:





Text in Illustration





NG -- REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Removal
OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (AVC-LAN CIRCUIT)

(a) Disconnect the radio and display receiver assembly connector.

(b) Disconnect the stereo component amplifier assembly connector.

(c) 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.

3. INSPECT MALFUNCTIONING PARTS

(a) Disconnect and reconnect each slave unit one by one until the master unit returns to normal operation.

HINT
* Check all slave units.
* If disconnecting a slave unit causes the master unit to return to normal operation, the slave unit is defective and should be replaced.

OK:

Master unit returns to normal operation.

NG -- REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Removal

OK -- REPLACE MALFUNCTIONING PARTS