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Home >> Nissan-Datsun >> 2009 >> Sentra SE-R >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Continuously Variable Transmission (CVT) >> Service Information >> CVT Shift Lock System >> Diagnosis Procedure
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Diagnosis Procedure

SYMPTOM 1: 

SYMPTOM 2: 

  1. CHECK KEY INTERLOCK CABLE

    Check key interlock cable for damage.

    OK or NG 

    OK: GO TO 2.

    NG: Repair key interlock cable. Refer to "REMOVAL AND INSTALLATION ".

  2. CHECK CVT POSITION

    Check CVT position. Refer to "CHECKING OF CVT POSITION ".

    OK or NG 

    OK: GO TO 3.

    NG: Adjust control cable. Refer to "ADJUSTMENT OF CVT POSITION ".

  3. CHECK SHIFT LOCK SOLENOID AND PARK POSITION SWITCH
    1. Turn ignition switch ON. (Do not start engine.)
    2. Selector lever is set in "P" position.
    3. Check operation sound.
    BRAKE PEDAL CONDITION CHART

    Condition Brake pedal Operation sound
    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: GO TO 4.

  4. CHECK POWER SOURCE

    Check voltage between CVT device harness connector M38 terminal 3 and ground.

    Fig 1: Checking Voltage Between CVT Device Harness Connector M38 Terminal 3 And Ground
    G04927097Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO 6.

    NG: GO TO 5.

  5. DETECT MALFUNCTIONING ITEM

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

    • Harness for short or open between ignition switch and CVT device harness connector
    • 10A fuse [No.12, located in the fuse block (J/B)]
    • Ignition switch, Refer to POWER SUPPLY ROUTING CIRCUIT .

    OK or NG 

    OK: INSPECTION END 

    NG: Repair or replace damaged parts.

  6. CHECK STOP LAMP SWITCH POWER SOURCE
    1. Turn ignition switch OFF.
    2. Disconnect stop lamp switch harness connector M38.
    3. Turn ignition switch ON.
    4. Check voltage between stop lamp switch harness connector E60 terminal 3 and ground.

      3 - ground : Battery voltage 

      Fig 2: Checking Voltage Between Stop Lamp Switch Connector E60 Terminal 3 And Ground
      G04927098Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO 8.

    NG: GO TO 7.

  7. CHECK STOP LAMP SWITCH SUPPLY CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect CVT device harness connector E60.
    3. Check continuity between stop lamp switch harness connector E60 (B) terminal 3 and CVT device harness connector M38 (A) terminal 4.

      Continuity should exist. 

    Fig 3: Checking Continuity Between Stop Lamp Switch Connector E60 Terminal 3 And CVT Device Connector M38 Terminal 4
    G04927099Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: Replace shift lock solenoid assembly.

    NG: Repair or replace harness as necessary.

  8. CHECK GROUND CIRCUIT
    1. Turn ignition switch OFF.
    2. Check continuity between stop lamp switch harness connector E60 terminal 4 and ground.

    Continuity should exist. 

    Fig 4: Checking Continuity Between Stop Lamp Switch Harness Connector E60 Terminal 4 And Ground
    G04927100Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO 9.

    NG: Repair or replace harness as necessary.

  9. CHECK STOP LAMP SWITCH

    Check continuity between stop lamp switch harness connector terminals 3 and 4.

    CONTINUITY CHART

    Condition Continuity
    When brake pedal is depressed Yes
    When brake pedal is released No
    Fig 5: Checking Continuity Between Stop Lamp Switch Harness Connector Terminals 3 And 4
    G04875881Courtesy of NISSAN MOTOR CO., U.S.A.

    Check stop lamp switch after adjusting brake pedal.  Refer to BRAKE PEDAL .

    OK or NG 

    OK: INSPECTION END. 

    NG: Replace stop lamp switch.