Sound Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter (TO 12/2010): Procedure

1. Disconnect the E47 navigation receiver assembly connector.
2. Disconnect the M3 No. 1 stereo jack adapter assembly connector.
   Fig 1: Identifying M3 No. 1 Stereo Jack Adapter Assembly Connector Terminals

   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
   E47-19 (AUXI) - M3-9 (AUXO)	Always	Below 1 Ω
   E47-18 (AGND) - M3-10 (AGND)	Always	Below 1 Ω
   E47-15 (ARI) - M3-6 (ARO)	Always	Below 1 Ω
   E47-17 (ALI) - M3-7 (ALO)	Always	Below 1 Ω
   E47-16 (ASGN) - M3-8 (ASGN)	Always	Below 1 Ω
   E47-19 (AUXI) - Body ground	Always	10 kΩ or higher
   E47-18 (AGND) - Body ground	Always	10 kΩ or higher
   E47-15 (ARI) - Body ground	Always	10 kΩ or higher
   E47-17 (ALI) - Body ground	Always	10 kΩ or higher
   E47-16 (ASGN) - Body ground	Always	10 kΩ or higher

   TEXT IN ILLUSTRATION
   
   

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

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   2