FixVault

Check Hazard Reminder Operation

  1. CHECK BCM OUTPUT SIGNAL 
    1. Remove electronic key from ignition key cylinder.
    2. Check the signal between combination flasher unit connector and ground with oscilloscope.
      CONNECTOR SIGNAL CHART

      Connector Terminal (Wire color) Condition Signal (Reference value)
      (+) (-)
      M19 6 (W/L) Ground LOCK switch ON with electronic key
      G04129450Courtesy of NISSAN MOTOR CO., U.S.A.
      UNLOCK switch ON with electronic key*
      *: In the state that hazard reminder operates.
      G04129451Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 1: Checking Signal Between Combination Flasher Unit Connector And Ground
      G04129452Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

  2. CHECK COMBINATION FLASHER UNIT CIRCUIT 
    1. Disconnect BCM and combination flasher unit connector.
    2. Check continuity between BCM connector M4 terminal 7 and combination flasher unit connector M91 terminal 6.

      7 (W/L) - 6 (W/L) : Continuity should exist. 

    3. Check continuity between BCM connector M4 terminal 7 and ground.

      7 (W/L) - Ground : Continuity should not exist. 

    OK or NG 

    • OK : Replace BCM.
    • NG : Repair or replace harness.
      Fig 2: Checking Continuity Between BCM Connector M4 Terminal 7 And Ground
      G04129453Courtesy of NISSAN MOTOR CO., U.S.A.