Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter: Procedure

1. Disconnect the radio receiver assembly connector.
   Fig 1: J65 Connector Terminal Identification

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2. Disconnect the No. 1 stereo jack adapter assembly connector.
   Fig 2: m1 Connector Terminal Identification

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Measure the resistance according to the value(s) in the table below.
   STANDARD RESISTANCE
   
   

   Tester Connection	Condition	Specified Condition
   m1-9 (AUXO) - J65-5 (AUXI)	Always	Below 1 Ω
   m1-8 (ASGN) - J65-21 (ASGN)	Always	Below 1 Ω
   m1-6 (ARO) - J65-19 (ARI)	Always	Below 1 Ω
   m1-7 (ALO) - J65-20 (ALI)	Always	Below 1 Ω
   m1-10 (AGND) - J65-6 (AGND)	Always	Below 1 Ω
   m1-9 (AUXO) - Body ground	Always	10 kΩ or higher
   m1-8 (ASGN) - Body ground	Always	10 kΩ or higher
   m1-6 (ARO) - Body ground	Always	10 kΩ or higher
   m1-7 (ALO) - Body ground	Always	10 kΩ or higher
   m1-10 (AGND) - Body ground	Always	10 kΩ or higher

   TEXT IN ILLUSTRATION
   
   

   *a	Front view of wire harness connector (to Radio Receiver Assembly)
   *b	Front view of wire harness connector (to No. 1 Stereo Jack Adapter Assembly)

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   2