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Home >> Infiniti >> 2004 >> G35 x >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> 2004.5 - Headlamp (For USA) - Sedan >> Headlamp (For USA) >> Headlamp HI Does Not Illuminate (Both Sides)

Headlamp HI Does Not Illuminate (Both Sides)

  1. CHECK COMBINATION SWITCH INPUT SIGNAL 

    With CONSULT-II

    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 HIGH position: HI BEAM SW ON 

    With out CONSULT-II

    Refer to "COMBINATION SWITCH INSPECTION ".

    OK or NG

    1. OK: GO TO 2.
    2. NG: Check lighting switch. Refer to "COMBINATION SWITCH INSPECTION ".
      Fig 1: Displaying DATA MONITOR Screen
      G03327879Courtesy of NISSAN MOTOR CO., U.S.A.
  2. HEADLAMP ACTIVE TEST 

    With CONSULT-II

    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" screen.
    4. Make sure headlamp high beam operates.

      Headlamp high beam should operate. 

    With out CONSULT-II

    1. Start auto active test. Refer to "AUTO ACTIVE TEST ".
    2. Make sure headlamp high beam operates.

      Headlamp high beam should operate. 

    OK or NG

    1. OK: GO TO 3.
    2. NG: GO TO  4.
      Fig 2: Displaying ACTIVE TEST Screen
      G03327880Courtesy 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 HIGH position: HL LO REQ ON 

      : HL HI REQ ON 

    OK or NG

    1. OK: Replace IPDM E/R.
    2. NG: Replace BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".
      Fig 3: Displaying DATA MONITOR Screen
      G03327881Courtesy of NISSAN MOTOR CO., U.S.A.
  4. CHECK HEADLAMP INPUT SIGNAL 

    With CONSULT-II

    1. Turn ignition switch OFF.
    2. Disconnect front combination lamp RH and LH connector.
    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" screen.
    6. When headlamp high beam is operating, check voltage between front combination lamp RH and LH harness connector and ground.
      Fig 4: Checking Voltage Between Front Combination Lamp RH And LH Harness Connector And Ground
      G03327882Courtesy of NISSAN MOTOR CO., U.S.A.
      HEADLAMP INPUT SIGNAL TERMINAL CHART

      Terminals Voltage
      (+) (-)
      Connector Terminal (Wire color)
      RH E24 2 (BR) Ground Battery voltage
      LH E41 2 (R/Y)

    With out CONSULT-II

    1. Turn ignition switch OFF.
    2. Disconnect front combination lamp RH and LH connector.
    3. Start auto active test. Refer to "AUTO ACTIVE TEST ".
    4. When headlamp high beam is operating, check voltage between front combination lamp RH and LH harness connector and ground.
      TERMINAL VOLTAGE SPECIFICATION

      Terminals Voltage
      (+) (-)
      Connector Terminal (Wire color)
      RH E24 2 (BR) Ground Battery voltage
      LH E41 2 (R/Y)

    OK or NG

    1. OK: GO TO  6.
    2. 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 E7 terminal 27 (BR) and front combination lamp RH harness connector E24 terminal 2 (BR).

      27 (BR) - 2 (BR): Continuity should exist. 

    4. Check continuity between IPDM E/R harness connector E7 terminal 28 (R/Y) and front combination lamp LH harness connector E41 terminal 2 (R/Y).

      28 (R/Y) - 2 (R/Y): Continuity should exist. 

    OK or NG

    1. OK: Replace IPDM E/R.
    2. NG: Repair harness or connector.
      Fig 5: Check Continuity Between IPDM E/R And Front Combination Lamp
      G03327883Courtesy of NISSAN MOTOR CO., U.S.A.
  6. CHECK HEADLAMP GROUND 
    1. Check continuity between front combination lamp RH harness connector E24 terminal 8 (B) and ground.

      8 (B) - Ground: Continuity should exist. 

    2. Check continuity between front combination lamp LH harness connector E41 terminal 8 (B) and ground.

      8 (B) - Ground: Continuity should exist. 

      Fig 6: Check Continuity Between Front Combination Lamp And Ground
      G03327884Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK: Check headlamp bulb.
    2. NG: Repair harness or connector.