Inspection Procedure

1. Disconnect the R6 receiver connector.
2. Disconnect the S15 amplifier connector.
3. Measure the resistance of the wire harness side connectors.

   Standard resistance 

   STANDARD RESISTANCE
   
   

   Tester Connection	Specified Condition
   R6-9 (L+) - S15-3 (L+)	Below 1 Ω
   R6-19 (L-) - S15-2 (L-)	Below 1 Ω
   R6-8 (R+) - S15-5 (R+)	Below 1 Ω
   R6-18 (R-) - S15-4 (R-)	Below 1 Ω
   R6-9 (L+) - Body ground	10 kΩ or higher
   R6-19 (L-) - Body ground	10 kΩ or higher
   R6-8 (R+) - Body ground	10 kΩ or higher
   R6-18 (R-) - Body ground	10 kΩ or higher
   R6-10 (SLD) - Body ground	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

Fig 1: Identifying R6 Receiver Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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