Sound Signal Circuit between Navigation Receiver Assembly and Stereo Component Amplifier: Procedure

1. Disconnect the navigation receiver assembly connector.
   Fig 1: Identifying Navigation Receiver Assembly Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the stereo component amplifier connector.
   Fig 2: View Of Wire Harness Connector To Stereo Component Assembly

   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
   F9-8 (R+) - F19-5 (R+)	Always	Below 1 Ω
   F9-18 (R-) - F19-4 (R-)	Always	Below 1 Ω
   F9-9 (L+) - F19-3 (L+)	Always	Below 1 Ω
   F9-19 (L-) - F19-2 (L-)	Always	Below 1 Ω
   F9-8 (R+) - Body ground	Always	10 kΩ or higher
   F9-18 (R-) - Body ground	Always	10 kΩ or higher
   F9-9 (L+) - Body ground	Always	10 kΩ or higher
   F9-19 (L-) - Body ground	Always	10 kΩ or higher
   F9-10 (SLD) - Body ground	Always	10 kΩ or higher

   TEXT IN ILLUSTRATION
   
   

   *1	Front view of wire harness connector (to Navigation Receiver Assembly)
   *2	Front view of wire harness connector (to Stereo Component Assembly)

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   2