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Headlamp HI Does Not Illuminate (Both Sides)

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. CHECK COMBINATION SWITCH INPUT SIGNAL 

    Select "BCM" on CONSULT-II. With "HEAD LAMP" data monitor, make sure "HI BEAM SW" turns ON-OFF linked with operation of lighting switch.

    When lighting switch is in HIGH position: HI BEAM SW ON 

    OK or NG

    • OK: GO TO 2.
    • NG: Check lighting switch. Refer to "COMBINATION SWITCH INSPECTION ".
      Fig 1: Displaying HI BEAM SW Mode
      G02477557Courtesy of NISSAN MOTOR CO., U.S.A.
  2. HEADLAMP ACTIVE TEST 
    1. Select "IPDM E/R" on CONSULT-II, and select "ACTIVE TEST" on "SELECT DIAG MODE" screen.
    2. Select "LAMPS" on "SELECT TEST ITEM" screen.
    3. Touch "HI" on "ACTIVE TEST" screen.
    4. Make sure headlamp high beam operates.

      Headlamp high beam should operate. 

    OK or NG

    • OK: GO TO 3.
    • NG: GO TO  4.
      Fig 2: Displaying HI On ACTIVE TEST Screen
      G02477558Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK IPDM E/R 
    1. Select "IPDM E/R" on CONSULT-II, and select "DATA MONITOR" on "SELECT DIAG MODE" screen.
    2. Make sure "HL LO REQ" and "HL HI REQ" turns ON when lighting switch is in HI position.

      When lighting switch is in: HL LO REQ ON 

      HIGH position: HL HI REQ ON 

    OK or NG

  4. CHECK HEADLAMP INPUT SIGNAL 
    1. Turn ignition switch OFF.
    2. Disconnect headlamp RH and LH connectors.
    3. Select "IPDM E/R" on CONSULT-II, and select "ACTIVE TEST" on "SELECT DIAG MODE" screen.
    4. Select "LAMPS" on "SELECT TEST ITEM" screen.
    5. Touch "HI" on "ACTIVE TEST" screen.
    6. When headlamp high beam is operating, check voltage between headlamp RH and LH harness connectors and ground.
      Fig 4: Checking Voltage Between Headlamp RH And LH Harness Connectors Terminal 1 & Ground
      G02477561Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 5: Terminal Voltage Reference Chart
      G02477560Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK: GO TO  6.
    • NG: GO TO 5.
  5. CHECK HEADLAMP CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect IPDM E/R connector.
    3. Check continuity between IPDM E/R harness connector E122 terminal 27 (L/W) and headlamp RH harness connector E13 terminal 1 (L/W).

      27 (L/W) - 1 (L/W): Continuity should exist. 

    4. Check continuity between IPDM E/R harness connector E122 terminal 28 (G) and headlamp LH harness connector E45 terminal 1 (G).

      28 (G) - 1 (G): Continuity should exist. 

      5. Fig 6: Checking Continuity Between IPDM E/R Harness Connector Terminals 28 Or 27 And Headlamp Harness Connector Terminal 1
      G02477562Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

  6. CHECK HEADLAMP GROUND 
    1. Check continuity between headlamp RH harness connector E13 terminal 2 (B) and ground.

      2 (B) - Ground: Continuity should exist. 

    2. Check continuity between headlamp LH harness connector E45 terminal 2 (B) and ground.

      2 (B) - Ground: Continuity should exist. 

      Fig 7: Checking Continuity Between Headlamp RH Harness Connector E13 Terminal 2 Or LH Harness Connector E45 Terminal 2 & Ground
      G02477563Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK: Check headlamp connector for damage or poor connection. Repair as necessary.
    • NG: Repair harness or connector.
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