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BASIC INSPECTION: Special Repair Requirement

  1. INSPECTION START 
    1. Check service records for any recent repairs that may indicate a related malfunction, or a current need for scheduled maintenance.
    2. Open engine hood and check the following:
      • Harness connectors for improper connections
      • Wiring harness for improper connections, pinches and cut
      • Vacuum hoses for splits, kinks and improper connections
      • Hoses and ducts for leaks
      • Air cleaner clogging
      • Gasket
    3. Confirm that electrical or mechanical loads are not applied.
      • Headlamp switch is OFF.
      • Air conditioner switch is OFF.
      • Rear window defogger switch is OFF.
      • Steering wheel is in the straight-ahead position, etc.
        Fig 1: Inspecting Harness Connectors For Improper Connections
        G04874817Courtesy of NISSAN NORTH AMERICA, INC.
    4. Start engine and warm it up until engine coolant temperature indicator points the middle of gauge.

      Ensure engine stays below 1, 000 rpm.

      Fig 2: Identifying Temperature Gauge
      G04874818Courtesy of NISSAN NORTH AMERICA, INC.
    5. Run engine at about 2, 000 rpm for about 2 minutes under no load.
    6. Make sure that no DTC is displayed with CONSULT or GST.

      Are any DTCs detected? 

      YES: GO TO 2.

      NO: GO TO  3.

      Fig 3: Identifying RPM Gauge
      G04874819Courtesy of NISSAN NORTH AMERICA, INC.
  2. REPAIR OR REPLACE 

    Repair or replace components as necessary according to corresponding Diagnosis Procedure.

    : GO TO 3

  3. CHECK IDLE SPEED 
    1. Run engine at about 2, 000 rpm for about 2 minutes under no load.
    2. Rev engine (2, 000 to 3, 000 rpm) two or three times under no load, then run engine at idle speed for about 1 minute.
    3. Check idle speed.

      For procedure, refer to "IDLE SPEED: SPECIAL REPAIR REQUIREMENT ".

      For specification, refer to "IDLE SPEED ".

      Is the inspection result normal? 

      YES: GO TO  10.

      NO: GO TO 4.

      Fig 4: Checking Target Idle Speed
      G04900035Courtesy of NISSAN NORTH AMERICA, INC.
  4. PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING 
    1. Stop engine.
    2. Perform "ACCELERATOR PEDAL RELEASED POSITION LEARNING: SPECIAL REPAIR REQUIREMENT ".

      : GO TO 5.

  5. PERFORM THROTTLE VALVE CLOSED POSITION LEARNING 

    Perform "THROTTLE VALVE CLOSED POSITION LEARNING: SPECIAL REPAIR REQUIREMENT ".

    : GO TO 6.

  6. PERFORM IDLE AIR VOLUME LEARNING 

    Perform "IDLE AIR VOLUME LEARNING: SPECIAL REPAIR REQUIREMENT ".

    Is Idle Air Volume Learning carried out successfully? 

    YES: GO TO 7.

    NO: Follow the instruction of Idle Air Volume Learning. Then GO TO  4.

  7. CHECK IDLE SPEED AGAIN 
    1. Start engine and warm it up to normal operating temperature.
    2. Check idle speed.

      For procedure, refer to "IDLE SPEED: SPECIAL REPAIR REQUIREMENT ".

      For specification, refer to "IDLE SPEED ".

      Is the inspection result normal? 

      YES: GO TO  10.

      NO: GO TO 8.

  8. DETECT MALFUNCTIONING PART 

    Check the Following.

    • Check camshaft position sensor (PHASE) and circuit. Refer to "COMPONENT INSPECTION ".
    • Check crankshaft position sensor (POS) and circuit. Refer to "COMPONENT INSPECTION ".

      Is the inspection result normal? 

      YES: GO TO 9.

      NO: Repair or replace. Then GO TO  4.

  9. CHECK ECM FUNCTION 
    1. Substitute with a non-malfunctioning ECM to check ECM function. (ECM may be the cause of the incident, although this is rare.)
    2. Perform initialization of NVIS (NATS) system and registration of all NVIS (NATS) ignition key IDs. Refer to "ECM RECOMMUNICATING FUNCTION: SPECIAL REPAIR REQUIREMENT ".

      : GO TO  4.

  10. CHECK IGNITION TIMING 
    1. Run engine at idle.
    2. Check ignition timing with a timing light.
      Fig 5: Identifying Timing Indicator
      G08674500Courtesy of NISSAN NORTH AMERICA, INC.

      For procedure, refer to "IGNITION TIMING: SPECIAL REPAIR REQUIREMENT ".

      For specification, refer to "IGNITION TIMING ".

      Is the inspection result normal? 

      YES: GO TO  19.

      NO: GO TO 11.

  11. PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING 
    1. Stop engine.
    2. Perform "ACCELERATOR PEDAL RELEASED POSITION LEARNING: SPECIAL REPAIR REQUIREMENT ".

      : GO TO 12.

  12. PERFORM THROTTLE VALVE CLOSED POSITION LEARNING 

    Perform "THROTTLE VALVE CLOSED POSITION LEARNING: SPECIAL REPAIR REQUIREMENT ".

    : GO TO 13.

  13. PERFORM IDLE AIR VOLUME LEARNING 

    Perform "IDLE AIR VOLUME LEARNING: SPECIAL REPAIR REQUIREMENT ".

    Is Idle Air Volume Learning carried out successfully? 

    YES: GO TO 14.

    NO: Follow the instruction of Idle Air Volume Learning. Then GO TO  4.

  14. CHECK IDLE SPEED AGAIN 
    1. Start engine and warm it up to normal operating temperature.
    2. Check idle speed.

      For procedure, refer to "IDLE SPEED: SPECIAL REPAIR REQUIREMENT ".

      For specification, refer to "IDLE SPEED ".

      Is the inspection result normal? 

      YES: GO TO 15.

      NO: GO TO  17.

  15. CHECK IGNITION TIMING AGAIN 
    1. Run engine at idle.
    2. Check ignition timing with a timing light.
      Fig 6: Identifying Timing Indicator
      G08674501Courtesy of NISSAN NORTH AMERICA, INC.

      For procedure, refer to "IGNITION TIMING: SPECIAL REPAIR REQUIREMENT ".

      For specification, refer to "IGNITION TIMING ".

      Is the inspection result normal? 

      YES: GO TO  19.

      NO: GO TO 16.

  16. CHECK TIMING CHAIN INSTALLATION 

    Check timing chain installation. Refer to "REMOVAL AND INSTALLATION ".

    Is the inspection result normal? 

    YES: GO TO 17.

    NO: Repair the timing chain installation. Then GO TO  4.

  17. DETECT MALFUNCTIONING PART 

    Check the following.

    • Check camshaft position sensor (PHASE) and circuit. Refer to "COMPONENT INSPECTION ".
    • Check crankshaft position sensor (POS) and circuit. Refer to "COMPONENT INSPECTION ".

      Is the inspection result normal? 

      YES: GO TO 18.

      NO: Repair or replace. Then GO TO  4.

  18. CHECK ECM FUNCTION 
    1. Substitute with a non-malfunctioning ECM to check ECM function. (ECM may be the cause of the incident, although this is rare.)
    2. Perform initialization of NVIS (NATS) system and registration of all NVIS (NATS) ignition key IDs. Refer to "ECM RECOMMUNICATING FUNCTION: SPECIAL REPAIR REQUIREMENT ".

      : GO TO  4.

  19. INSPECTION END 

    If ECM is replaced during this BASIC INSPECTION procedure, go to "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT (ECM): SPECIAL REPAIR REQUIREMENT ".

    : INSPECTION END

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