Radio Receiver Power Source Circuit: Procedure

1. Disconnect the radio receiver connectors E69 and E73.
   Fig 1: Identifying Radio Receiver Connector Terminal E69 And E73

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

   Standard resistance

   Tester Connection	Condition	Specified Condition
   GND - 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
   +B - GND (*1)	Always	10 to 14 V
   ACC - GND	Engine switch on (ACC)	10 to 14 V

   *1: for Radio Receiver with Built-in "Bluetooth" Handsfree Function

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

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