FixVault

Diagnosis Procedure

WARNING: This page is about a different car, the 2013 Infiniti M56 and 2013 Infiniti M37. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK HOOD SWITCH SIGNAL CIRCUIT 1 
    1. Turn ignition switch OFF.
    2. Disconnect hood switch connector.
    3. Check voltage between hood switch harness connector and ground.
      (+) (-) Voltage (V) (Approx.)
      Hood switch
      Connector Terminal
      E30 2 Ground 12

      Is the inspection result normal? 

      YES: GO TO  3.

      NO: GO TO 2.

  2. CHECK HOOD SWITCH SIGNAL CIRCUIT 2 
    1. Disconnect IPDM E/R connector.
    2. Check continuity between IPDM E/R harness connector and hood switch harness connector.
      IPDM E/R Hood switch Continuity
      Connector Terminal Connector Terminal
      E5 24 E30 2 Existed
    3. Check continuity between IPDM E/R harness connector and ground.
      IPDM E/R Ground Continuity
      Connector Terminal
      E5 24 Not existed

      Is the inspection result normal? 

      YES: Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION ".

      NO: Repair or replace harness.

  3. CHECK HOOD SWITCH GROUND CIRCUIT 

    Check continuity between hood switch harness connector and ground.

    Hood switch Ground Continuity
    Connector Terminal
    E30 1 Existed

    Is the inspection result normal? 

    YES: GO TO 4.

    NO: Repair or replace harness.

  4. CHECK HOOD SWITCH 

    Refer to "COMPONENT INSPECTION ".

    Is the inspection result normal? 

    YES: GO TO 5.

    NO: Replace hood lock (RH). Refer to "HOOD LOCK: REMOVAL AND INSTALLATION ".

  5. CHECK INTERMITTENT INCIDENT 

    Refer to "INTERMITTENT INCIDENT ".

    : INSPECTION END