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Hazard Warning Lamp Does Not Operate But Turn Signal Lamps Operate

WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK BULB 

    Make sure bulb standard of each turn signal lamp is correct.

    OK or NG

    1. OK: GO TO 2.
    2. NG: Replace turn signal lamp bulb.
  2. CHECK HAZARD SWITCH INPUT SIGNAL 

    With CONSULT-II

    Select "BCM" on CONSULT-II. With "FLASHER" data monitor, make sure "HAZARD SW" turns ON-OFF linked with operation of hazard switch.

    When hazard switch is ON: HAZARD SW ON position 

    Fig 1: Checking Hazard Switch Input Signal
    G03495204Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II

    Check voltage between BCM harness connector M18 terminal 29 (G/R) and ground.

    CONNECTOR TERMINAL CONDITION

    Terminals Condition Voltage (Approx.)
    (+) (-)
    Connector Terminal (Wire color)
    29 (G/R) Ground Hazard switch is ON 0V
    Hazard switch is OFF 5V

    OK or NG

    1. OK: Replace BCM. Refer to REMOVAL AND INSTALLATION OF BCM .
    2. NG: GO TO 3.
    Fig 2: Checking Voltage Between BCM Harness Connector Terminal And Ground
    G03495205Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK HAZARD SWITCH CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect BCM connector and hazard switch connector.
    3. Check continuity BCM harness connector M18 terminal 29 (G/R) and hazard switch harness connector M55 terminal 2 (G/R).
    1. 29 (G/R) - 2 (G/R): Continuity should exist. 

    OK or NG

    1. OK: GO TO 4.
    2. NG: Repair harness or connector.
      Fig 3: Checking Hazard Switch Circuit
      G03495206Courtesy of NISSAN MOTOR CO., U.S.A.
  4. CHECK GROUND 

    Check continuity hazard switch harness connector M55 terminal 1 (B) and ground.

    1. 1 (B) - Ground: Continuity should exist. 

    OK or NG

    1. OK: GO TO 5.
    2. NG: Repair harness or connector.
      Fig 4: Checking Continuity Hazard Switch Harness Connector Terminal And Ground
      G03495207Courtesy of NISSAN MOTOR CO., U.S.A.
  5. CHECK HAZARD SWITCH 
    1. Disconnect hazard switch connector.
    2. Check continuity of hazard switch.
    HAZARD SWITCH TERMINAL CONDITION

    Terminal Condition Continuity
    Hazard switch
    1 2 Hazard switch is ON Yes
    Hazard switch is OFF No

    OK or NG

    1. OK: Replace BCM if turn signal lamps does not work after setting the connector again. Refer to REMOVAL AND INSTALLATION OF BCM .
    2. NG: Replace hazard switch.
    Fig 5: Checking Continuity Of Hazard Switch
    G03495208Courtesy of NISSAN MOTOR CO., U.S.A.
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