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Diagnostic Procedure

SYMPTOM: 

  1. CHECK SELECTOR LEVER POSITION 

    Check the selector lever position for damage. Refer to "CHECKING OF A/T POSITION ".

    OK or NG 

    OK: GO TO 2.

    NG: Adjust control linkage. Refer to "ADJUSTMENT OF A/T POSITION ".

  2. CHECK POWER SOURCE 
    1. Turn ignition switch OFF.
    2. Disconnect shift lock relay.
    3. Check voltage between shift lock relay E35 terminal 2 and ground.
    Fig 1: Identifying Voltage Between Shift Lock Relay E35 Terminal 2 And Ground
    G04139276Courtesy of NISSAN MOTOR CO., U.S.A.

    Voltage 

    Brake pedal depressed: Battery voltage 

    Brake pedal released: 0V 

    OK or NG 

    OK: GO TO 4.

    NG: GO TO 3.

  3. DETECT MALFUNCTIONING ITEM 

    Check the following.

    • Harness for short or open between battery and stop lamp switch harness connector E124 terminal 1
    • Harness for short or open between stop lamp switch harness connector E124 terminal 2 and shift lock relay E35 terminal 2
    • 10A fuse [No.20, located in the fuse block (J/B)]
    • Stop lamp switch
      • Check continuity between stop lamp switch harness connector E124 terminals 1 and 2
      Fig 2: Identifying Continuity Between Stop Lamp Switch Harness Connector E124 Terminals 1 And 2
      G04139277Courtesy of NISSAN MOTOR CO., U.S.A.

      Check stop lamp switch after adjusting brake pedal - refer to " BRAKE PEDAL  "  .

    • ICC brake hold relay. Refer to "ICC BRAKE HOLD RELAY ". (With ICC only)
    • Harness for short or open between battery and ICC brake hold relay E80 terminal 3. Refer to "DTC 13 STOP LAMP RLY FIX ". (With ICC only)
    • Harness for short or open between ICC brake hold relay E80 terminal 5 and shift lock relay E35 terminal 2. (With ICC only)
    • Harness for short or open between ICC sensor integrated unit harness connector E61 terminal 2 and ICC brake hold relay E80 terminal 2. Refer to "DTC 13 STOP LAMP RLY FIX ". (With ICC only)
    • Harness for short or open between ICC brake hold relay E80 terminal 1 and ground. Refer to "DTC 13 STOP LAMP RLY FIX ". (With ICC only)

    OK or NG 

    OK: GO TO 4.

    NG: Repair or replace damaged parts.

  4. CHECK GROUND CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect shift lock relay.
    3. Check continuity between shift lock relay E35 terminal 1 and ground.
    Fig 3: Identifying Continuity Between Shift Lock Relay E35 Terminal 1 And Ground
    G04139278Courtesy of NISSAN MOTOR CO., U.S.A.
    CAUTION: Connect test probe (BLACK) to shift lock relay, and test probe (RED) to ground.

    If OK, check harness for short to ground and short to power.

    Continuity should exist. 

    OK or NG 

    OK: GO TO 5.

    NG: Repair open circuit or short to ground or short to power in harness or connectors.

  5. CHECK INPUT SIGNAL A/T DEVICE 
    1. Turn ignition switch OFF.
    2. Disconnect A/T device harness connector.
    3. Turn ignition switch ON. (Do not start engine.)
    4. Check voltage between A/T device harness connector M133 terminal 7 and ground.
    Fig 4: Identifying Voltage Between A/T Device Harness Connector M133 Terminal 7 And Ground
    G04139279Courtesy of NISSAN MOTOR CO., U.S.A.

    Voltage 

    Brake pedal depressed: Battery voltage 

    Brake pedal released: 0V 

    OK or NG 

    OK: GO TO 7.

    NG: GO TO 6.

  6. DETECT MALFUNCTIONING ITEM 

    Check the following.

    • Harness for short or open between push-button ignition switch and shift lock relay E35 terminal 5
    • Harness for short or open between shift lock relay E35 terminal 3 and A/T device harness connector M133 terminal 7
    • 10A fuse [No.12, located in the fuse block (J/B)]
    • Push-button ignition switch (Refer to "POWER SUPPLY ROUTING CIRCUIT ".)
    • Shift lock relay
      • Check continuity between shift lock relay E35 terminal 3 and 5
    SHIFT LOCK RELAY E35 TERMINAL 3 AND 5 CONTINUITY

    Condition Continuity
    12V direct current supply between terminal 1 and 2 Yes
    OFF No
    Fig 5: Identifying Continuity Between Shift Lock Relay E35 Terminal 3 And 5
    G04139280Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO 7.

    NG: Repair or replace damaged parts.

  7. CHECK GROUND CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect A/T device harness connector.
    3. Check continuity between A/T device harness connector M133 terminal 8 and ground.
    Fig 6: Identifying Continuity Between A/T Device Harness Connector M133 Terminal 8 And Ground
    G04139281Courtesy of NISSAN MOTOR CO., U.S.A.

    Continuity should exist. 

    If OK, check harness for short to ground and short to power.

    OK or NG 

    OK: GO TO 8.

    NG: Repair open circuit or short to ground or short to power in harness or connectors.

  8. CHECK SHIFT LOCK SOLENOID 
    1. Connect A/T device harness connector.
    2. Turn ignition switch ON. (Do not start engine.)
    3. Check shift lock solenoid operation.
    SHIFT LOCK SOLENOID OPERATION

    Condition Brake pedal Operation
    When ignition switch is turned to ON position and selector lever is set in "P" position. Depressed Yes
    Released No

    OK or NG 

    OK: INSPECTION END 

    NG: Repair or replace damage parts.

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