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Radio Receiver Power Source Circuit: Procedure

  1. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - BATTERY AND BODY GROUND) 
    1. Disconnect the radio receiver assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      W/ BACK DOOR SPEAKER

      Tester Connection Condition Specified Condition
      E2-20 (GND) - Body ground Always Below 1 Ω
      W/O BACK DOOR SPEAKER

      Tester Connection Condition Specified Condition
      E8-7 (GND) - Body ground Always Below 1 Ω
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      W/ BACK DOOR SPEAKER

      Tester Connection Condition Specified Condition
      E2-1 (B) - E2-20 (GND) Always 11 to 14 V
      E2-11 (ACC) - E2-20 (GND) Ignition switch ACC 11 to 14 V
      W/O BACK DOOR SPEAKER

      Tester Connection Condition Specified Condition
      E8-4 (B) - E8-7 (GND) Always 11 to 14 V
      E8-3 (ACC) - E8-7 (GND) Ignition switch ACC 11 to 14 V

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK → See step   2 

  2. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE 
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