Stereo Component Amplifier Power Source Circuit: Procedure

1. Disconnect the stereo component amplifier connectors.
   Fig 1: View Of Stereo Component Amplifier Connectors M29 And M30

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2. Measure the resistance according to the values in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   GND - Body ground	Always	Below 1 Ω
   GND2 - Body ground	Always	Below 1 Ω

3. Measure the voltage according to the values in the table below.

   Standard voltage

   Tester Connection	Condition	Specified Condition
   +B - GND	Always	10 to 14 V
   +B2 - GND	Always	10 to 14 V
   ACC - GND	Engine switch on (ACC)	10 to 14 V

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE