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Home >> Nissan-Datsun >> 2009 >> 370Z Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0451 Through P1091 >> P0830 Clutch Interlock Switch >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK OVERALL FUNCTION-I

    With CONSULT-III 

    1. Turn ignition switch ON.
    2. Select "CPP SW" in "DATA MONITOR" mode with CONSULT-III.
    3. Check "CPP SW" indication under the following conditions.
      MONITOR ITEM REFERENCE

      Monitor item Condition Indication
      CPP SW Clutch pedal Fully released ON
      Fully depressed OFF

    Without CONSULT-III 

    1. Turn ignition switch ON.
    2. Check the voltage between ECM harness connector terminals under the following conditions.
      TERMINALS VOLTAGE REFERENCE

      ECM Condition Voltage (V)
      + -
      Connector Terminal Connector Terminal
      F101 41 (Clutch pedal position switch signal) M107 128 Clutch pedal Fully released Approx. 0
      Fully depressed Battery voltage

      Is the inspection result normal? 

      YES: GO TO 2.

      NO: GO TO  3.

  2. CHECK OVERALL FUNCTION-II

    With CONSULT-III 

    Select "CLUTCH INTLCK SW" and check indication under the following conditions.

    MONITOR ITEM REFERENCE

    Monitor item Condition Indication
    CLUTCH INTLCK SW Clutch pedal Fully released OFF
    Fully depressed ON

    Without CONSULT-III 

    Check the voltage between ECM harness connector terminals under the following conditions.

    TERMINALS VOLTAGE REFERENCE

    ECM Condition Voltage (V)
    + -
    Connector Terminal Connector Terminal
    F101 42 (Clutch interlock switch signal) M107 128 Clutch pedal Fully released Approx. 0
    Fully depressed Battery voltage

    Is the inspection result normal? 

    YES: GO TO  12.

    NO: GO TO  7.

  3. CHECK CLUTCH PEDAL POSITION SWITCH GROUND CIRCUIT FOR OPEN AND SHORT
    1. Turn ignition switch OFF.
    2. Disconnect clutch pedal position switch harness connector.
    3. Check the continuity between clutch pedal position switch harness connector and ground.
      TERMINALS CONTINUITY REFERENCE

      Clutch pedal position switch Ground Continuity
      Connector Terminal
      E108 2 Ground Existed
    4. Also check harness for short to power.

      Is the inspection result normal? 

      YES: GO TO 4.

      NO: Repair open circuit or short to power in harness or connectors.

  4. CHECK CLUTCH PEDAL POSITION SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
    1. Disconnect ECM harness connector.
    2. Check the continuity between clutch pedal position switch harness connector and ECM harness connector.
      TERMINALS CONTINUITY REFERENCE

      Clutch pedal position switch ECM Continuity
      Connector Terminal Connector Terminal
      E108 1 F101 41 Existed
    3. Also check harness for short to ground and short to power.

      Is the inspection result normal? 

      YES: GO TO  6.

      NO: GO TO 5.

  5. DETECT MALFUNCTIONING PART

    Check the following.

    • Harness connectors E3, F1
    • Harness for open or short between clutch pedal position switch and ECM

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

  6. CHECK CLUTCH PEDAL POSITION SWITCH

    Refer to "COMPONENT INSPECTION (CLUTCH PEDAL POSITION SWITCH) ".

    Is the inspection result normal? 

    YES: GO TO  12.

    NO: Replace clutch pedal position switch.

  7. CHECK CLUTCH INTERLOCK SWITCH POWER SUPPLY CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect clutch interlock switch harness connector.
    3. Turn ignition switch ON.
    4. Check the voltage between clutch interlock switch harness connector and ground.
      TERMINALS VOLTAGE REFERENCE

      Clutch interlock switch Ground Voltage (V)
      Connector Terminal
      E111 1 Ground Battery voltage

      Is the inspection result normal? 

      YES: GO TO  9.

      NO: GO TO 8.

  8. DETECT MALFUNCTIONING PART

    Check the following.

    • Harness connectors E106, M6
    • Fuse block (J/B) connector M1
    • 10 A fuse (No. 9)
    • Harness for open or short between clutch interlock switch and fuse

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

  9. CHECK CLUTCH INTERLOCK SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
    1. Turn ignition switch OFF.
    2. Disconnect ECM harness connector.
    3. Check the continuity between clutch interlock switch harness connector and ECM harness connector.
      TERMINALS CONTINUITY REFERENCE

      Clutch interlock switch ECM Continuity
      Connector Terminal Connector Terminal
      E111 2 F101 42 Existed
    4. Also check harness for short to ground and short to power.

      Is the inspection result normal? 

      YES: GO TO  11.

      NO: GO TO 10.

  10. DETECT MALFUNCTIONING PART

    Check the following.

    • Harness connectors E3, F1
    • Harness for open or short between clutch interlock switch and ECM

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

  11. CHECK CLUTCH INTERLOCK SWITCH

    Refer to "COMPONENT INSPECTION (CLUTCH INTERLOCK SWITCH) ".

    Is the inspection result normal? 

    YES: GO TO 12.

    NO: Replace clutch interlock switch.

  12. CHECK INTERMITTENT INCIDENT

    Refer to "INTERMITTENT INCIDENT ".

    INSPECTION END

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