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Home › Nissan-Datsun › 2013 › Juke SL, FWD, Automatic CVT Trans › Repair and Diagnosis › Engine Performance › System › Engine Control System - Component Testing, Periodic Maintenance And Removal And Installation › Ignition Signal › Diagnosis Procedure

Diagnosis Procedure

  1. CHECK CONDENSER POWER SUPPLY 
    1. Turn ignition switch OFF.
    2. Disconnect condenser harness connector.
    3. Turn ignition switch ON.
    4. Check the voltage between condenser harness connector and ground.
      + - Voltage
      Condenser
      Connector Terminal
      F13 1 Ground Battery voltage

      Is the inspection result normal? 

      YES: GO TO  3.

      NO: GO TO 2.

  2. CHECK CONDENSER POWER SUPPLY CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect IPDM E/R harness connector.
    3. Check the continuity between IPDM E/R harness connector and condenser harness connector.
      + - Continuity
      IPDM E/R Condenser
      Connector Terminal Connector Terminal
      E15 61 F13 1 Existed
    4. Also check harness for short to ground.

      Is the inspection result normal? 

      YES: Perform the trouble diagnosis for power supply circuit.

      NO: Repair or replace error-detected parts.

  3. CHECK CONDENSER GROUND CIRCUIT 
    1. Turn ignition switch OFF.
    2. Check the continuity between Condenser harness connector and ground.
      + - Continuity
      Condenser
      Connector Terminal
      F13 2 Ground Existed
    3. Also check harness for short to power.

      Is the inspection result normal? 

      YES: GO TO 4.

      NO: Repair or replace error-detected parts.

  4. CHECK CONDENSER 

    Check the condenser. refer to "COMPONENT INSPECTION (CONDENSER) ".

    Is the inspection result normal? 

    YES: GO TO 5.

    NO: Replace condenser.

  5. CHECK IGNITION COIL POWER SUPPLY 
    1. Reconnect all harness connectors disconnected.
    2. Disconnect ignition coil harness connector.
    3. Turn ignition switch ON.
    4. Check the voltage between ignition coil harness connector and ground.
      + - Voltage
      Ignition coil
      Cylinder Connector Terminal
      1 F33 3 Ground Battery voltage
      2 F34 3
      3 F35 3
      4 F36 3

      Is the inspection result normal? 

      YES: GO TO 6.

      NO: Perform the trouble diagnosis for power supply circuit.

  6. CHECK IGNITION COIL GROUND CIRCUIT 
    1. Turn ignition switch OFF.
    2. Check the continuity between ignition coil harness connector and ground.
      + - Continuity
      Ignition coil
      Cylinder Connector Terminal
      1 F33 2 Ground Existed
      2 F34 2
      3 F35 2
      4 F36 2
    3. Also check harness for short to power.

      Is the inspection result normal? 

      YES: GO TO 7.

      NO: Repair or replace error-detected parts.

  7. CHECK IGNITION COIL OUTPUT SIGNAL CIRCUIT 
    1. Disconnect ECM harness connector.
    2. Check the continuity between ECM harness connector and ignition coil harness connector.
      + - Continuity
      Ignition coil ECM
      Cylinder Connector Terminal Connector Terminal
      1 F33 1 F26 82 Existed
      2 F34 1 86
      3 F35 1 90
      4 F36 1 94
    3. Also check harness for short to ground and short to power.

      Is the inspection result normal? 

      YES: GO TO 8.

      NO: Repair or replace error-detected parts.

  8. CHECK IGNITION COIL WITH POWER TRANSISTOR 

    Check the ignition coil with power transistor. Refer to "COMPONENT INSPECTION (IGNITION COIL WITH POWER TRANSISTOR) ".

    Is the inspection result normal? 

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

    NO: Replace malfunctioning ignition coil with power transistor. Refer to "EXPLODED VIEW ".

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