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Home >> Nissan-Datsun >> 2004 >> Pathfinder LE, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System >> DTC P1130: Swirl Control Valve Control Solenoid Valve >> Diagnostic Procedure >> Procedure B
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Procedure B

  1. CHECK INTAKE SYSTEM 
    1. Start engine and let it idle.
    2. Check intake air system for air leaks.

    OK or NG 

    1. OK: (With CONSULT-II) GO TO 2.
    2. OK: (Without CONSULT-II) GO TO  3 .
    3. NG: Repair intake system.
  2. CHECK SWIRL CONTROL VALVE CONTROL SOLENOID VALVE CIRCUIT 

    With CONSULT-II 

    1. Select "SWIRL CONT SOL VALVE" in "ACTIVE TEST" mode with CONSULT-II.
    2. Touch "ON" and "OFF" on CONSULT-II screen.
      Fig 1: Active Test Display
      G00780878Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Make sure that clicking sound is heard from the swirl control valve control solenoid valve.

    OK or NG 

    1. OK: GO TO  7 .
    2. NG: GO TO 3.
  3. CHECK SWIRL CONTROL VALVE CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT 
    1. Turn ignition switch "OFF".
    2. Disconnect swirl control valve control solenoid valve harness connector.
      Fig 2: Identifying Swirl Control Valve Control Solenoid Valve Power Supply Circuit
      G00780879Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Turn ignition switch "ON".
    4. Check voltage between swirl control valve control solenoid valve terminal 1 and ground with CONSULT-II or tester.
      Fig 3: Checking Voltage Between Swirl Control Valve Control Solenoid Valve Terminal 1 And Ground
      G00780880Courtesy of NISSAN MOTOR CO., U.S.A.

      OK or NG 

      1. OK: GO TO  6 .
      2. NG: GO TO 4.
    5. DETECT MALFUNCTIONING PART 

      Check the following.

      • Harness connectors E1, M1
      • Harness connectors M33, F22
      • Harness for open or short between swirl control valve control solenoid valve and ECM relay
      1. Repair open circuit or short to ground or short to power in harness connectors.
    6. CHECK SWIRL CONTROL VALVE CONTROL SOLENOID VALVE OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 
      1. Turn ignition switch "OFF".
      2. Disconnect ECM harness connector.
      3. Check harness continuity between ECM terminal 27 and swirl control valve control solenoid valve terminal 2. Refer to WIRING DIAGRAM  .

        Continuity should exist. 

      4. Also check harness for short to ground and short to power.

      OK or NG 

      1. OK: GO TO 6.
      2. NG: Repair open circuit or short to ground or short to power in harness connectors.
    7. CHECK HOSES 

      Check hoses and tubes between intake manifold, and swirl control valve actuator for crack, clogging, improper connection or disconnection.

      Fig 4: Checking Hoses And Tubes
      G00780881Courtesy of NISSAN MOTOR CO., U.S.A.

      OK or NG 

      1. OK: GO TO 7.
      2. NG: Repair hoses or tubes.
    8. CHECK SWIRL CONTROL VALVE CONTROL SOLENOID VALVE 

      With CONSULT-II 

      1. Reconnect the disconnected harness connectors.
      2. Start engine and let it idle.
      3. Remove vacuum hose connected to swirl control valve actuator.
      4. Select "SWIRL CONT SOL/V" in "ACTIVE TEST" mode with CONSULT-II.
      5. Touch "ON" and "OFF" on CONSULT-II screen.
      6. Check vacuum existence and operation delay time under the following conditions.
        Fig 5: Identifying Swirl Control Valve Control Solenoid Valve
        G00780882Courtesy of NISSAN MOTOR CO., U.S.A.

        Operation takes less than 1 second. 

      Without CONSULT-II 

      1. Reconnect ECM harness connector.
      2. Remove vacuum hose connected to swirl control valve actuator.
      3. Start engine and let it idle.
      4. Apply 12V of direct current between swirl control valve control solenoid valve terminals 1 and 2.
      5. Check vacuum existence and operation delay time under the following conditions.
        Fig 6: Applying 12V Of Direct Current Between Swirl Control Valve Control Solenoid Valve Terminals 1 And 2
        G00780883Courtesy of NISSAN MOTOR CO., U.S.A.

        Operation takes less than 1 second. 

      OK or NG 

      1. OK: GO TO 8.
      2. NG: Replace intake manifold collector assembly.
    9. CHECK SWIRL CONTROL VALVE ACTUATOR 

      With CONSULT-II 

      1. Reconnect vacuum hose between swirl control valve actuator and swirl control valve control solenoid valve.
      2. Start engine and let it idle.
      3. Select "SWIRL CONT SOL/V" in "ACTIVE TEST" mode.
      4. Touch "ON" and "OFF" on CONSULT-II screen.
      5. Make sure that swirl control valve actuator rod moves according to "SWIRL CONT SOL/V indication.
        Fig 7: Identifying Swirl Control Valve Actuator
        G00780884Courtesy of NISSAN MOTOR CO., U.S.A.

      Without CONSULT-II 

      1. Reconnect vacuum hose between swirl control valve actuator and swirl control valve control solenoid valve.
      2. Start engine and let it idle.
      3. Apply 12V direct current between swirl control valve control solenoid valve terminals 1 and 2.
      4. Make sure that swirl control valve actuator rod moves according to 12V direct current being applied.
        Fig 8: VIAS Valve Control Solenoid Valve
        G00780885Courtesy of NISSAN MOTOR CO., U.S.A.

      OK or NG 

      1. OK: GO TO 9.
      2. NG: Replace swirl control valve actuator.
    10. CHECK SWIRL CONTROL VALVE CONTROL VACUUM CHECK SWITCH 
      1. Turn ignition switch "OFF".
      2. Disconnect vacuum hose connected to swirl control valve control vacuum check switch.
      3. Attach vacuum pump to swirl control valve control vacuum check switch.
      4. Turn ignition switch "ON".
      5. Check voltage between ECM terminal 59 and ground under the following conditions.
        Fig 9: Checking Voltage Between ECM Terminal 59 And Ground
        G00780886Courtesy of NISSAN MOTOR CO., U.S.A.

      OK or NG 

      1. OK: GO TO 10.
      2. NG: Replace swirl control valve control vacuum check switch.
    11. CHECK MASS AIR FLOW SENSOR 
      1. Reconnect harness connectors disconnected.
      2. Start engine and warm it up to normal operating temperature.
      3. Check voltage between ECM terminal 51 (Mass air flow sensor signal) and ground.
        Fig 10: Checking Voltage Between ECM Terminal 51 (Mass Air Flow Sensor Signal) And Ground
        G00780887Courtesy of NISSAN MOTOR CO., U.S.A.
      4. If the voltage is out of specification, disconnect MAF sensor harness connector and connect it again. Then repeat above check.

      OK or NG 

      1. OK: GO TO 11.
      2. NG: Replace mass air flow sensor.
    12. CHECK ACCELERATOR PEDAL POSITION SENSOR 

      Refer to "COMPONENT INSPECTION  ".

      OK or NG 

      1. OK: GO TO 12.
      2. NG: Replace accelerator pedal assembly.
    13. CHECK THROTTLE POSITION SENSOR 

      Refer to "COMPONENT INSPECTION  ".

      OK or NG 

      1. OK: GO TO 13.
      2. NG: Replace electric throttle control actuator.
    14. CHECK CAMSHAFT POSITION SENSOR (PHASE) 

      Refer to "COMPONENT INSPECTION  ".

      OK or NG 

      1. OK: GO TO 14.
      2. NG: Replace crankshaft position sensor (PHASE).
    15. CHECK INTERMITTENT INCIDENT 

      Perform "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT  " .

      1. INSPECTION END
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