Inspection Procedure

1. Disconnect the connectors from the radio receiver and stereo component amplifier.
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   RESISTANCE REFERENCE
   
   

   Tester connection	Condition	Specified condition
   L+ - L+	Always	Below 1 Ω
   L- - L-	Always	Below 1 Ω
   R+ - R+	Always	Below 1 Ω
   R- - R-	Always	Below 1 Ω
   SLD - SLD	Always	Below 1 Ω
   L+ - Body ground	Always	10 kΩ or higher
   L- - Body ground	Always	10 kΩ or higher
   R+ - Body ground	Always	10 kΩ or higher
   R- - Body ground	Always	10 kΩ or higher
   SLD - Body ground	Always	10 kΩ or higher

Fig 1: Identifying Radio Receiver Connector Terminal And Stereo Component Amplifier Connector Terminal
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

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