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Home >> Toyota >> 2010 >> Prius PHV >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Navigation (Diagnostic Codes & Circuit Tests) (PHV) >> Navigation System >> Circuit Test >> Navigation Receiver Assembly Power Source Circuit >> Inspection Procedure >> Procedure
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Inspection Procedure: Procedure

  1. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - BATTERY, BODY GROUND) 
    1. Disconnect the L34 navigation receiver assembly connector.
    2. Disconnect the L42 navigation receiver assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L34-7 (GND) - Body ground Always Below 1 Ω
    4. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      L34-4 (B) - L34-7 (GND) Power switch off 11 to 14 V
      L34-3 (ACC) - L34-7 (GND) Power switch on (ACC) 11 to 14 V
      L42-2 (IG) - L34-7 (GND) Power switch on (IG) 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