Inspection Procedure

1. Disconnect the radio receiver connectors.
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Condition	Specified Condition
   ATX+ - ATX-	Always	60 to 80 Ω

Fig 1: Identifying Radio Receiver Connector Terminals

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NG: REPLACE RADIO RECEIVER 

OK: Go to Next Step 

HINT:

For details of the connectors, refer to the "TERMINALS OF ECU ."

1. Referring to the AVC-LAN wiring diagram below, check all AVC-LAN circuits.
   1. Disconnect all connectors in all AVC-LAN circuits.
   2. Check for an open or short in all AVC-LAN circuits.

      OK: There is no open or short circuit. 

      Fig 2: AVC-LAN Wiring Diagram

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NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE