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Home >> Infiniti >> 2011 >> G37 IPL, Standard >> Repair and Diagnosis >> Accessories & Equipment >> Exterior Lights >> Exterior Lighting System -- G37 Coupe >> DTC/Circuit Diagnosis >> Parking Lamp Circuit >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK PARKING LAMP FUSE
    1. Turn the ignition switch OFF.
    2. Check that the following fuse is not fusing.
      FUSE REFERENCE CHART

      Unit Location Fuse No. Capacity
      • Parking lamp
      • Front side marker lamp
      		 IPDM E/R #52 10 A

      Is the fuse fusing? 

      YES: GO TO 2.

      NO: GO TO  3.

  2. CHECK PARKING LAMP SHORT CIRCUIT
    1. Disconnect IPDM E/R connector and the front combination lamp connector.
    2. Check continuity between the IPDM E/R harness connector and the ground.
      CONTINUITY REFERENCE CHART

      IPDM E/R Ground Continuity
      Connector Terminal
      RH E9 91 Not existed
      LH 92

      Does continuity exist? 

      YES: Repair the harnesses or connectors. And then replace the fuse.

      NO: Replace the fuse. (Replace IPDM E/R if fusing is found again.)

  3. CHECK PARKING LAMP BULB AND FRONT SIDE MARKER LAMP

    Check the applicable lamp bulb.

    Is the bulb normal? 

    YES: GO TO 4.

    NO: Replace the bulb.

  4. CHECK PARKING LAMP OUTPUT VOLTAGE

    CONSULT-III ACTIVE TEST

    1. Disconnect the front combination lamp connector.
    2. Turn the ignition switch ON.
    3. Select "EXTERNAL LAMPS" of IPDM E/R active test item.
    4. With operating the test items, check the voltage between the IPDM E/R harness connector and the ground.
      VOLTAGE REFERENCE CHART

      Terminals Test item Voltage (Approx.)
      (+) (-)
      IPDM E/R Ground EXTERNAL LAMPS
      Connector Terminal
      RH E9 91 TAIL Battery voltage
      Off 0 V
      LH 92 TAIL Battery voltage
      Off 0 V

      Is the measurement value normal? 

      YES: GO TO 5.

      NO: Replace IPDM E/R.

  5. CHECK PARKING LAMP OPEN CIRCUIT
    1. Turn the ignition switch OFF.
    2. Disconnect IPDM E/R connector.
    3. Check continuity between the IPDM E/R harness connector and the front combination lamp harness connector.
      CONTINUITY REFERENCE CHART

      IPDM E/R Front combination lamp Continuity
      Connector Terminal Connector Terminal
      RH E9 91 E28 8 Existed
      LH 92 E58 8

      Does continuity exist? 

      YES: GO TO 6.

      NO: Repair the harnesses or connectors.

  6. CHECK PARKING LAMP GROUND OPEN CIRCUIT

    Check continuity between the front combination lamp harness connector and the ground.

    CONTINUITY REFERENCE CHART

    Front combination lamp Ground Continuity
    Connector Terminal
    RH E28 4 Existed
    LH E58 4

    Does continuity exist? 

    YES: Replace the front combination lamp.

    NO: Repair the harnesses or connectors.

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