Radio Receiver Power Source Circuit: Procedure

1. Disconnect the radio receiver assembly connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   E1-7 (E) - 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
   E1-4 (B) - E1-7 (E)	Always	11 to 14 V
   E1-3 (ACC) - E1-7 (E)	Ignition switch ACC	11 to 14 V

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   2