Diagnostic Procedure

WARNING: This page is about a different car, the 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

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: Disconnecting EVAP Canister Purge Volume Control Solenoid Valve Harness Connector
  Courtesy 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.
  1. Voltage: Battery voltage
  Fig 2: Checking Voltage Between EVAP Terminal 2 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: GO TO 3 .
2. NG: GO TO 2.
DETECT MALFUNCTIONING PART
- Check the following.
- Harness connectors E5, F14
- Harness connectors F44, F101
- IPDM E/R harness connector E122
- 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
  1. Repair harness or connectors.
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 or short to power.
OK or NG
1. OK (With CONSULT-II):GO TO 5 .
2. OK (Without CONSULT-II):GO TO 6 .
3. NG: GO TO 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
  1. Repair open circuit or short to ground or short to power in harness or connectors.
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.
OK or NG
1. OK: GO TO 7 .
2. NG: GO TO 6.
Fig 3: Displaying Active Test Screen
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
Refer to COMPONENT INSPECTION .

OK or NG
1. OK: GO TO 7.
2. NG: Replace EVAP canister purge volume control solenoid valve.
CHECK INTERMITTENT INCIDENT
Refer to TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT .
1. INSPECTION END