Sound Signal Circuit between Multi-media Interface ECU and Stereo Jack Adapter: Procedure

1. Disconnect the multi-media interface ECU connector.
   Fig 1: Multi-Media Interface ECU Connector

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2. Disconnect the No. 1 stereo jack adapter assembly connector.
   Fig 2: m1 Connector Terminal Identification

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3. Measure the resistance according to the value(s) in the table below.
   STANDARD RESISTANCE
   
   

   Tester Connection	Condition	Specified Condition
   m1-3 (UDO+) - J110-2 (UDI+)	Always	Below 1 Ω
   m1-2 (UDO-) - J110-3 (UDI-)	Always	Below 1 Ω
   m1-5 (UJSS) - J110-5 (UESS)	Always	Below 1 Ω
   m1-3 (UDO+) - Body ground	Always	10 kΩ or higher
   m1-2 (UDO-) - Body ground	Always	10 kΩ or higher
   m1-5 (UJSS) - Body ground	Always	10 kΩ or higher

   TEXT IN ILLUSTRATION
   
   

   *1	Front view of wire harness connector (to Multi-media Interface ECU)
   *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