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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 66 (Exterior Lighting System (Except Hybrid)) >> DTC/Circuit Diagnosis >> Headlamp Aiming System (Manual) >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

Regarding Wiring Diagram information, refer to WIRING DIAGRAM .

  1. CHECK HEADLAMP AIMING MOTOR FUSES

    1. Turn the ignition switch OFF.
    2. Check that the fuse is not open.
    Unit Location Fuse No. Capacity
    Headlamp aiming motor IPDME/R 48 10A

    Is the inspection result normal?

    YES 

    GO TO STEP 2 

    NO 

    Replace the fuse after repairing the affected circuit.

  2. CHECK HEADLAMP AIMING MOTOR POWER SUPPLY CIRCUIT FOR OPEN OR SHORT

    1. Turn ignition switch OFF.
    2. Disconnect IPDM E/R harness connector E218, headlamp aiming motor LH harness connector E236 or headlamp aiming motor RH harness connector E237.
    3. Check continuity between IPDM E/R harness connector E218 and headlamp aiming motor LH harness connector E236 or headlamp aiming motor RH harness connector E237.
      IPDM E/R Headlamp aiming motor Continuity
      Connector Terminal Connector Terminal
      E218 92 LH E236 14 Yes
      84 RH E237
    4. Check continuity between the IPDM E/R harness connector and ground.
      IPDM E/R - Continuity
      Connector Terminal
      E218 92 Ground No
      84

    Is the inspection result normal?

    YES 

    GO TO STEP 3 

    NO 

    Repair or replace the harness or connector. 

  3. CHECK HEADLAMP AIMING SWITCH SIGNAL FOR OPEN OR SHORT CIRCUIT

    1. Disconnect headlamp aiming switch harness connector M121.
    2. Check continuity between the headlamp aiming switch harness connector M121 and headlamp aiming motor LH harness connector E236 or headlamp aiming motor RH harness connector E237.
      Headlamp aiming switch Headlamp aiming motor Continuity
      Connector Terminal Connector Terminal
      M121 1 LH E236 13 Yes
      RH E237
    3. Check continuity between the headlamp aiming switch harness connector M121 and ground.
      Headlamp aiming switch (-) Continuity
      Connector Terminal
      M121 1 Ground No

    Is the inspection result normal?

    YES 

    GO TO STEP 4 

    NO 

    Repair or replace the harness or connector. 

  4. CHECK HEADLAMP AIMING MOTOR GROUND CIRCUIT

    Check continuity between headlamp aiming motor LH harness connector E236 or headlamp aiming motor RH harness connector E237 and ground.

    Headlamp aiming motor (-) Continuity
    Connector Terminal
    LH E236 15 Ground Yes
    RH E237

    Is the inspection result normal?

    YES 

    Inspect the headlamp aiming motors. 

    NO 

    Repair or replace the harness or connector. 

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