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Home >> Infiniti >> 2011 >> G37 IPL, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 61 (Automatic Transmission -- G37 Coupe) >> DTC/Circuit Diagnosis >> Shift Lock System >> Without ICC >> WITHOUT ICC : Diagnosis Procedure

WITHOUT ICC : Diagnosis Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK POWER SOURCE (PART 1)
    1. Turn ignition switch OFF.
    2. Disconnect A/T shift selector connector.
    3. Turn ignition switch ON.
    4. Check voltage between A/T shift selector vehicle side harness connector terminal and ground.
      VOLTAGE REFERENCE CHART

      A/T shift selector vehicle side harness connector Ground Condition Voltage (Approx.)
      Connector Terminal
      M137 8 Depressed brake pedal. Battery voltage
      Released brake pedal. 0 V

      Is the inspection result normal? 

      YES: Go to 2.

      NO: Go to  5.

  2. CHECK GROUND CIRCUIT

    Check continuity between A/T shift selector vehicle side harness connector terminal and ground.

    CONTINUITY REFERENCE CHART

    A/T shift selector vehicle side harness connector Ground Continuity
    Connector Terminal
    M137 4 Existed

    Is the inspection result normal? 

    YES: Go to 3.

    NO: Repair or replace damaged parts.

  3. CHECK HARNESS BETWEEN A/T SHIFT SELECTOR AND SHIFT LOCK UNIT
    1. Disconnect shift lock unit connector.
    2. Check continuity between A/T shift selector connector terminals and shift lock unit A/T shift selector side connector terminals.
      CONTINUITY REFERENCE CHART

      A/T shift selector connector Shift lock unit A/T shift selector side connector Continuity
      Connector Terminal Connector Terminal
      M137 8 M222 3 Existed
      4 4

      Is the inspection result normal? 

      YES: Go to 4.

      NO: Repair or replace damaged parts.

  4. CHECK SHIFT LOCK UNIT
    1. Remove shift lock unit. Refer to "2WD : EXPLODED VIEW " (2WD) or "AWD : EXPLODED VIEW " (AWD).
    2. Check shift lock unit. Refer to "WITHOUT ICC : COMPONENT INSPECTION (SHIFT LOCK SOLENOID) ".

      Is the inspection result normal? 

      YES: Check intermittent incident. Refer to "INTERMITTENT INCIDENT ".

      NO: Replace shift lock unit. Refer to "2WD : EXPLODED VIEW " (2WD) or "AWD : EXPLODED VIEW " (AWD).

  5. CHECK POWER SOURCE (PART 2)
    1. Turn ignition switch OFF.
    2. Disconnect stop lamp switch connector.
    3. Turn ignition switch ON.
    4. Check voltage between stop lamp switch vehicle side harness connector terminal and ground.
      VOLTAGE REFERENCE CHART

      Stop lamp switch vehicle side harness connector Ground Voltage (Approx.)
      Connector Terminal
      E119 3 Battery voltage

      Is the inspection result normal? 

      YES: Go to 6.

      NO: Go to  9.

  6. CHECK STOP LAMP SWITCH (PART 1)

    Check stop lamp switch. Refer to "WITHOUT ICC : COMPONENT INSPECTION (STOP LAMP SWITCH) ".

    Is the inspection result normal? 

    YES: Go to 7.

    NO: Go to  12.

  7. CHECK HARNESS BETWEEN STOP LAMP SWITCH AND SHIFT SELECTOR (PART 1)

    Check continuity between stop lamp switch vehicle side harness connector terminal and A/T shift selector vehicle side harness connector terminal.

    CONTINUITY REFERENCE CHART

    Stop lamp switch vehicle side harness connector A/T shift selector vehicle side harness connector Continuity
    Connector Terminal Connector Terminal
    E119 4 M137 8 Existed

    Is the inspection result normal? 

    YES: Go to 8.

    NO: Repair or replace damaged parts.

  8. CHECK HARNESS BETWEEN STOP LAMP SWITCH AND SHIFT SELECTOR (PART 2)

    Check continuity between stop lamp switch vehicle side harness connector terminal and ground.

    CONTINUITY REFERENCE CHART

    Stop lamp switch vehicle side harness connector Ground Continuity
    Connector Terminal
    E119 4 Not existed

    Is the inspection result normal? 

    YES: Check intermittent incident. Refer to "INTERMITTENT INCIDENT ".

    NO: Repair or replace damaged parts.

  9. CHECK HARNESS BETWEEN FUSE BLOCK (J/B) AND STOP LAMP SWITCH (PART 1)
    1. Turn ignition switch OFF.
    2. Disconnect fuse block (J/B) connector.
    3. Check continuity between fuse block (J/B) vehicle side harness connector terminal and stop lamp switch vehicle side harness connector terminal.
      CONTINUITY REFERENCE CHART

      Fuse block (J/B) vehicle side harness connector Stop lamp switch vehicle side harness connector Continuity
      Connector Terminal Connector Terminal
      E103 4F E119 3 Existed

      Is the inspection result normal? 

      YES: Go to 10.

      NO: Repair or replace damaged parts.

  10. CHECK HARNESS BETWEEN FUSE BLOCK (J/B) AND STOP LAMP SWITCH (PART 2)

    Check continuity between fuse block (J/B) vehicle side harness connector terminal and ground.

    CONTINUITY REFERENCE CHART

    Fuse block (J/B) vehicle side harness connector Ground Continuity
    Connector Terminal
    E103 4F Not existed

    Is the inspection result normal? 

    YES: Go to 11.

    NO: Repair or replace damaged parts.

  11. DETECT MALFUNCTIONING ITEM

    Check the following.

  12. CHECK INSTALLATION POSITION OF STOP LAMP SWITCH

    Adjust stop lamp switch position. Refer to "INSPECTION AND ADJUSTMENT ".

    Go to 13.

  13. CHECK STOP LAMP SWITCH (PART 2)

    Check stop lamp switch. Refer to "WITHOUT ICC : COMPONENT INSPECTION (STOP LAMP SWITCH) ".

    Is the inspection result normal? 

    YES: INSPECTION END

    NO: Replace stop lamp switch. Refer to "EXPLODED VIEW ".

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