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

1. Disconnect the No. 1 stereo jack adapter assembly and radio receiver assembly connectors.
   Fig 1: No. 1 Stereo Jack Adapter Assembly And Radio Receiver Assembly Connector Terminal Identification

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

   Tester Connection	Condition	Specified Condition
   m1-9 (AUXO) - J96-19 (AUXI)	Always	Below 1 Ω
   m1-8 (ASGN) - J96-16 (ASGN)	Always	Below 1 Ω
   m1-6 (ARO) - J96-15 (ARI)	Always	Below 1 Ω
   m1-7 (ALO) - J96-17 (ALI)	Always	Below 1 Ω
   m1-10 (AGND) - J96-18 (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
   
   

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

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   2