LEMON Manuals: Even more car manuals for everyone
Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1123 (Engine Control System - DTCS P0137 Through P0447) >> DTC P0444, P0445 EVAP Canister Purge Volume Control Solenoid Valve >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2007 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect EVAP canister purge volume control solenoid valve harness connector.
    3. Turn ignition switch ON.
      Fig 1: Identifying Intake Manifold Collector
      G04915580Courtesy of NISSAN MOTOR CO., U.S.A.
    4. Check voltage between EVAP canister purge volume control solenoid valve terminal 2 and ground with CONSULT-II or tester.

      Voltage: Battery voltage 

      Fig 2: Checking Voltage Between EVAP Canister Purge Volume Control Solenoid Valve Terminal 2 And Ground
      G04874946Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO  3.

    NG: GO TO  2.

  2. DETECT MALFUNCTIONING PART 

    Check the following.

    • Harness connectors E131, M92
    • Harness connectors M70, F58
    • Harness connectors F44, F101
    • Harness for open or short between EVAP canister purge volume control solenoid valve and IPDM E/R
    • Harness for open or short between EVAP canister purge volume control solenoid valve and ECM

      • >> Repair harness or connectors.

  3. CHECK EVAP CANISTER PURGE VOLUME 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 45 and EVAP canister purge volume control solenoid valve terminal 1. Refer to Wiring Diagram.

      Continuity should exist  .

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

    OK or NG 

    OK (With CONSULT-II): GO TO  5.

    OK (Without CONSULT-II): GO TO  6.

    NG: GO TO  4.

  4. DETECT MALFUNCTIONING PART 

    Check the following.

    • Harness connectors F44, F101
    • Harness for open or short between EVAP canister purge volume control solenoid valve and ECM

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

  5. CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OPERATION 

    With CONSULT-II 

    1. Reconnect all harness connectors disconnected.
    2. Start engine.
    3. Perform "PURG VOL CONT/V" in "ACTIVE TEST" mode with CONSULT-II. Check that engine speed varies according to the valve opening.
    Fig 3: CONSULT-II Display - Active Test
    G04900443Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO  7.

    NG: GO TO  6.

  6. CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE 

    Refer to "COMPONENT INSPECTION ."

    OK or NG 

    OK: GO TO  7.

    NG: Replace EVAP canister purge volume control solenoid valve.

  7. CHECK INTERMITTENT INCIDENT 

    Refer to "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ."

    >> INSPECTION END 

scientia non olet · About LEMON Manuals