Stereo Component Amplifier Power Source Circuit: Procedure

1. Disconnect the stereo component amplifier assembly connectors.
   Fig 1: Inspecting Stereo Component Amplifier Assembly

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2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   P27-2 (GND) - Body ground	Always	Below 1 Ω
   P27-6 (GND2) - Body ground	Always	Below 1 Ω

3. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   P27-1 (+B) - P27-2 (GND)	Always	11 to 14 V
   P27-3 (+B2) - P27-2 (GND)	Always	11 to 14 V
   P30-12 (ACC) - P27-2 (GND)	Engine switch on (ACC)	11 to 14 V

   TEXT IN ILLUSTRATION
   
   

   *1	Front view of wire harness connector (to Stereo Component Amplifier Assembly)

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   2