Inspection Procedure

INSPECT RADIO RECEIVER

Disconnect the radio receiver connector.

Fig 1: Identifying R7 Radio Receiver Connector
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Measure the resistance according to the value (s) in the table below.

Standard resistance

STANDARD RESISTANCE SPECIFICATION

Tester connection	Condition	Specified condition
TX+ (R7-5)-TX- (R7-15)	Always	60 to 80 Ω

NG: REPLACE RADIO RECEIVER

OK: Go to Next Step

CHECK HARNESS AND CONNECTOR
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