Cellular Phone Voice Circuit between Radio Receiver and Stereo Component Amplifier: Procedure

1. Disconnect the radio receiver assembly and stereo component amplifier assembly connectors.
   Fig 1: J96 And P30 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
   J96-11 (IVO+) - P30-15 (II1+)	Always	Below 1 Ω
   J96-12 (IVO-) - P30-14 (II1-)	Always	Below 1 Ω
   J96-11 (IVO+) - Body ground	Always	10 kΩ or higher
   J96-12 (IVO-) - Body ground	Always	10 kΩ or higher
   J96-13 (SLD1-) - 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 Stereo Component Amplifier Assembly)

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   2