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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 1056 (Automatic Transaxle Overhaul & Diagnostics) >> Re5F22A >> A/T Shift Lock System >> Diagnostic Procedure

Diagnostic Procedure

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

SYMPTOM 1: 

SYMPTOM 2: 

  1. CHECK KEY INTERLOCK CABLE 

    Check the key interlock cable for damage.

    OK or NG 

    1. OK: GO TO 2.
    2. NG: Repair key interlock cable. Refer to "KEY INTERLOCK CABLE ".
  2. CHECK SELECTOR LEVER POSITION 

    Check the selector lever position for damage.

    OK or NG 

    1. OK: GO TO 3.
    2. NG: Check selector lever. Refer to "CONTROL CABLE ADJUSTMENT ".
  3. CHECK SHIFT LOCK SOLENOID AND PARK POSITION SWITCH 
    1. Connect A/T device harness connector.
    2. Turn ignition switch "ON".
    3. Selector lever is set in "P" position.
    4. Check operation sound.
      Fig 1: Brake Pedal Sound Operation Chart
      G00746036Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: INSPECTION END
    2. NG: GO TO 4.
  4. CHECK POWER SOURCE 
    1. Turn ignition switch "ON". (Do not start engine.)
    2. Check the voltage between A/T device harness connector M34 terminal 5 (R) and ground.
      Fig 2: Brake Pedal Voltage Chart
      G00746037Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 3: Checking Voltage Between A/T Device Harness Connector M34 Terminal 5 (R) And Ground
      G00746038Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: GO TO  7.
    2. NG: GO TO 5.
  5. CHECK STOP LAMP SWITCH 
    1. Turn ignition switch "OFF".
    2. Disconnect stop lamp switch harness connector.
    3. Check continuity between stop lamp switch harness connector E38 terminals 3 and 4.
      Fig 4: Connector Terminal Continuity Reference
      G00746039Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 5: Checking Continuity Between Stop Lamp Switch Connector E38 Terminals 3 And 4
      G00746040Courtesy of NISSAN MOTOR CO., U.S.A.

    Check stop lamp switch after adjusting brake pedal.  .

    OK or NG 

    1. OK: GO TO 6.
    2. NG: Repair or replace damaged parts.
  6. DETECT MALFUNCTIONING ITEM 

    Check the following items. If any items are damaged, repair or replace damaged parts.

    • 10A fuse [No. 1, located in the fuse block (J/B)]
    • Harness for short or open between ignition switch and stop lamp switch harness connector E38 terminal 3 (R/W)
    • Harness for short or open between stop lamp switch harness connector E38 terminal 4 (L) and diode-4 harness connector E149 terminal 2 (L).
    • Harness for short or open between diode-4 harness connector E149 terminal 1 (R) and A/T device harness connector M34 terminal 5 (R).
    • Diode-4
    • Ignition switch (Refer to "POWER DISTRIBUTION ".

    OK or NG 

    1. OK: GO TO 7.
    2. 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 M34 terminal 6 (B) and ground.
    Fig 6: Checking Continuity Between A/T Device Connector M34 Terminal 6 (B) And Ground
    G00746041Courtesy of NISSAN MOTOR CO., U.S.A.

    Continuity should exist  .

  4. Connect A/T device harness connector.

OK or NG 

  1. OK: Replace shift lock solenoid or park position switch.
  2. NG: Repair open circuit or short to ground or short to power in harness or connectors.