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Diagnosis Procedure

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECTION START

    Check the case in which DTC is detected.

    • Case1: It is detected after ignition switch is changed from ON to OFF and door switch is pressed
    • Case2: It is detected after ignition switch is changed from ON to OFF

      In which case is DTC detected? 

      Case1: GO TO 2

      Case2: GO TO  7

  2. CHECK BCM OUTPUT SIGNAL
    1. Turn ignition switch OFF.
    2. Disconnect electronic steering column lock harness connector and IPDM E/R harness connector.
    3. Check voltage between electronic steering column lock harness connector and ground.
      VOLTAGE REFERENCE CHART

      Electronic steering column lock Ground Voltage [V]
      Connector Terminal
      M32 3 Ground Battery voltage
      Fig 1: Checking Voltage Between Electronic Steering Column Lock Harness Connector And Ground
      G05046607Courtesy of NISSAN MOTOR CO., U.S.A.

      Is the inspection result normal? 

      YES: GO TO  4

      NO: GO TO 3

  3. CHECK ELECTRONIC STEERING COLUMN LOCK CIRCUIT-I
    1. Disconnect BCM harness connector.
    2. Check continuity between BCM harness connector M19 (A) terminal 85 and electronic steering column lock harness connector M32 (B) terminal 3.
      CONTINUITY REFERENCE CHART

      BCM Electronic steering column lock Continuity
      Connector Terminal Connector Terminal
      A: M19 85 B: M32 3 Yes
    3. Check continuity between BCM harness connector M19 (A) terminal 85 and ground.
      CONTINUITY REFERENCE CHART

      BCM Ground Continuity
      Connector Terminal
      A: M19 85 Ground No
      Fig 2: Checking Continuity Between BCM Harness Connector M19 Terminal 85 And Ground
      G05046608Courtesy of NISSAN MOTOR CO., U.S.A.

      Is the inspection result normal? 

      YES: GO TO  6

      NO: Repair harness or connector.

  4. CHECK IPDM E/R OUTPUT SIGNAL
    1. Connect IPDM E/R harness connector.
    2. Disconnect BCM harness connector.
    3. Check voltage between electronic steering column lock harness connector and ground.
      VOLTAGE REFERENCE CHART

      Electronic steering column lock Ground Voltage [V]
      Connector Terminal
      M32 3 Ground Battery voltage
      Fig 3: Checking Voltage Between Electronic Steering Column Lock Harness Connector And Ground
      G05046607Courtesy of NISSAN MOTOR CO., U.S.A.

      Is the inspection result normal? 

      YES: Replace electronic steering column lock.

      NO: GO TO 5

  5. CHECK ELECTRONIC STEERING COLUMN LOCK CIRCUIT-II
    1. Check continuity between electronic steering column lock harness connector M32 (A) terminal 3 and IPDM E/R harness connector E18 (B) terminal 32.
      CONTINUITY REFERENCE CHART

      Electronic steering column lock IPDM E/R Continuity
      Connector Terminal Connector Terminal
      A: M32 3 B: E18 32 Yes
    2. Check continuity between electronic steering column lock harness connector M32 (A) terminal 3 and ground.
      CONTINUITY REFERENCE CHART

      Electronic steering column lock Ground Continuity
      Connector Terminal
      A: M32 3 Ground No
      Fig 4: Checking Continuity Between Electronic Steering Column Lock Harness Connector M32 Terminal 3 And Ground
      G05046610Courtesy of NISSAN MOTOR CO., U.S.A.

      Is the inspection result normal? 

      YES: GO TO 6

      NO: Repair harness or connector.

  6. CHECK INTERMITTENT INCIDENT

    Refer to "INTERMITTENT INCIDENT ".

    Inspection End.

  7. CHECK BCM OUTPUT SIGNAL
    1. Turn ignition switch OFF.
    2. Disconnect electronic steering column lock harness connector and IPDM E/R harness connector E5.
    3. Check voltage between electronic steering column lock harness connector and ground.
      VOLTAGE REFERENCE CHART

      Electronic steering column lock Ground Voltage [V]
      Connector Terminal
      M32 8 Ground Battery voltage
      Fig 5: Checking Voltage Between Electronic Steering Column Lock Harness Connector And Ground
      G05046611Courtesy of NISSAN MOTOR CO., U.S.A.

      Is the inspection result normal? 

      YES: GO TO  9

      NO: GO TO 8

  8. CHECK ELECTRONIC STEERING COLUMN LOCK CIRCUIT-I
    1. Disconnect BCM harness connector M122.
    2. Check continuity between BCM harness connector M19 (A) terminal 86 and electronic steering column lock harness connector M32 (B) terminal 8.
      CONTINUITY REFERENCE CHART

      BCM electronic steering column lock Continuity
      Connector Terminal Connector Terminal
      A: M19 86 B: M32 8 Yes
    3. Check continuity between BCM harness connector M19 (A) terminal 86 and ground.
      CONTINUITY REFERENCE CHART

      BCM Ground Continuity
      Connector Terminal
      A: M19 86 Ground No
      Fig 6: Checking Continuity Between BCM Harness Connector M19 Terminal 86 And Ground
      G05046612Courtesy of NISSAN MOTOR CO., U.S.A.

      Is the inspection result normal? 

      YES: GO TO 11

      NO: Repair harness or connector.

  9. CHECK IPDM E/R OUTPUT SIGNAL
    1. Connect IPDM E/R harness connector.
    2. Disconnect BCM harness connector.
    3. Check voltage between electronic steering column lock harness connector and ground.
      VOLTAGE REFERENCE CHART

      Electronic steering column lock Ground Voltage [V]
      Connector Terminal
      M32 8 Ground Battery voltage
      Fig 7: Checking Voltage Between Electronic Steering Column Lock Harness Connector And Ground
      G05046611Courtesy of NISSAN MOTOR CO., U.S.A.

      Is the inspection result normal? 

      YES: Replace electronic steering column lock.

      NO: GO TO 10

  10. CHECK ELECTRONIC STEERING COLUMN LOCK CIRCUIT-II
    1. Check continuity between electronic steering column lock harness connector M32 (A) terminal 8 and IPDM E/R harness connector E18 (B) terminal 33.
      CONTINUITY REFERENCE CHART

      Electronic steering column lock IPDM E/R Continuity
      Connector Terminal Connector Terminal
      A: M32 8 B: E18 33 Yes
    2. Check continuity between electronic steering column lock harness connector and ground.
      CONTINUITY REFERENCE CHART

      Electronic steering column lock Ground Continuity
      Connector Terminal
      A: M32 8 Ground No
      Fig 8: Checking Continuity Between Electronic Steering Column Lock Harness Connector And Ground
      G05046614Courtesy of NISSAN MOTOR CO., U.S.A.

      Is the inspection result normal? 

      YES: GO TO 11

      NO: Repair harness or connector.

  11. CHECK INTERMITTENT INCIDENT

    Refer to "INTERMITTENT INCIDENT ".

    Inspection End.

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