Sound Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter: Procedure

1. Disconnect the E3 navigation receiver assembly connector.
2. Disconnect the E34 No. 1 stereo jack adapter assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   E3-19 (AUXI) - E34-9	Always	Below 1 Ω
   E3-18 (AGND) - E34-10	Always	Below 1 Ω
   E3-15 (ARI) - E34-6	Always	Below 1 Ω
   E3-17 (ALI) - E34-7	Always	Below 1 Ω
   E3-16 (ASGN) - E34-8	Always	Below 1 Ω
   E3-19 (AUXI) - Body ground	Always	10 kΩ or higher
   E3-18 (AGND) - Body ground	Always	10 kΩ or higher
   E3-15 (ARI) - Body ground	Always	10 kΩ or higher
   E3-17 (ALI) - Body ground	Always	10 kΩ or higher
   E3-16 (ASGN) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   2