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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> Accessories & Equipment >> Exterior Lights >> Turn Signal & Hazard Warning Lamps >> Turn Signal And Hazard Warning Lamps >> Hazard Lamp Does Not Operate

Hazard Lamp Does Not Operate

  1. BULB INSPECTION 

    Check each turn signal lamp bulb to make sure correct bulbs are installed.

    OK or NG

    1. OK : GO TO 2.
    2. NG : Replace bulb.
  2. INSPECTION 1 BETWEEN HAZARD SWITCH AND BCM 

    Select "BCM" on CONSULT-II. Use "FLASHER" data monitor to verify that "HAZARD SW" turns ON-OFF according to operation of hazard switch.

    OK or NG

    1. OK : GO TO  5 .
    2. NG : GO TO 3.
      Fig 1: Scan Tool Display "Data Monitor"
      G02888656Courtesy of NISSAN MOTOR CO., U.S.A.
  3. INSPECTION 2 BETWEEN HAZARD SWITCH AND BCM 
    1. Disconnect BCM connector and hazard switch connector.
    2. Check continuity between harness connector terminal of BCM and harness connector terminal of hazard switch.
      Fig 2: BCM Terminal Specifications (Hazard Switch)
      G02888657Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 3: BCM Continuity Test (Hazard Switch)
      G02888658Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK : Connect connectors. GO TO 4.
    2. NG : Check for short circuit or open circuit in harness between BCM and hazard switch. Repair as necessary.
  4. INSPECTION BCM 

    Check voltage between BCM terminal and body ground.

    Fig 4: BCM Terminal Specification (Positive)
    G02888659Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK : Replace hazard switch. Refer to, "REMOVAL AND INSTALLATION ".
    2. NG : Replace BCM.
      Fig 5: BCM Terminal and Ground Voltage Test
      G02888660Courtesy of NISSAN MOTOR CO., U.S.A.
  5. INSPECTION 1 BETWEEN BCM AND TURN SIGNAL LAMPS 
    1. Select "BCM" on CONSULT-II. Select "FLASHER" active test.
    2. Check that "FLASHER RIGHT" and "FLASHER LEFT" operate.

    OK or NG

    1. OK : Replace BCM.
    2. NG : GO TO 6.
      Fig 6: Scan Tool Display "Active Test"
      G02888661Courtesy of NISSAN MOTOR CO., U.S.A.
  6. INSPECTION 2 BETWEEN BCM AND TURN SIGNAL LAMPS 
    1. Disconnect BCM connector and all turn signal lamp connectors.
    2. Check continuity between harness connectors of BCM and body ground.
      Fig 7: BCM Terminal Specification (Turn Signal Lamp)
      G02888662Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK : Replace BCM.
    2. NG : Check for short circuit in harnesses between BCM and each turn signal. Repair as necessary.
      Fig 8: BCM Continuity Test (Turn Signal Lamp)
      G02888663Courtesy of NISSAN MOTOR CO., U.S.A.