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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 1515 (Lighting System) >> Headlamp (For USA) >> Headlamp HI Does Not Illuminate (One Side)

Headlamp HI Does Not Illuminate (One Side)

WARNING: This page is about a different car, the 2005 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
  1. BULB INSPECTION 

    Inspect inoperative headlamp bulb.

    OK or NG

  2. CHECK POWER TO HEADLAMP 
    1. Disconnect inoperative headlamp connector.
    2. Turn the HI beam headlamps ON.
    3. Check voltage between inoperative headlamp terminal and ground.
      Fig 1: Checking Voltage Between Inoperative Headlamp Terminal And Ground
      G02477565Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 2: Terminals Voltage Reference Chart
      G02477564Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK: GO TO 3.
    • NG: GO TO  4.
  3. CHECK HEADLAMP GROUND 
    1. Turn the HI beam headlamps OFF.
    2. Check continuity between inoperative headlamp connector and ground.
      Fig 3: Checking Continuity Between Inoperative Headlamp Connector & Ground
      G02477567Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 4: Terminals Continuity Chart
      G02477566Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK: Check headlamp connector for damage or poor connection. Repair as necessary.
    • NG: Repair open circuit in harness between inoperative headlamp and ground.
  4. INSPECTION BETWEEN IPDM E/R AND HEADLAMPS 
    1. Disconnect IPDM E/R connector and headlamp connector.
    2. Check continuity between harness connector terminals of IPDM E/R and harness connector terminals of inoperative headlamp.
      Fig 5: Terminals Continuity Chart
      G02477568Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 6: Checking Continuity Between Harness Connector Terminals Of IPDM E/R & Harness Connector Terminals Of Inoperative Headlamp
      G02477569Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK: Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION OF IPDM E/R ".
    • NG: Check for short circuits and open circuits in harness between IPDM E/R and headlamps. Repair as necessary.