Diagnostic Procedure

Do you have CONSULT-II?

Yes or No

1. Yes: Go to 2.
2. No: Go to  3.

With CONSULT-II 

1. Turn ignition switch OFF and then turn ON.
2. Select VENT CONTROL/V in ACTIVE TEST mode with CONSULT-II. See Figure.
3. Touch ON/OFF on CONSULT-II screen.
4. Check for operating sound of the valve.

Clicking noise should be heard  .

OK or NG

1. OK: Go to  7.
2. NG: Go to 3.

1. Turn ignition switch OFF.
2. Disconnect EVAP canister vent control valve harness connector. See Figure.
3. Turn ignition switch ON.
4. Check voltage between EVAP canister vent control valve terminal 1 and ground with CONSULT-II or tester.

Voltage: Battery voltage 

OK or NG

1. OK: Go to  5.
2. NG: Go to 4.
   Fig 1: Testing Power To EVAP Canister Vent Control Valve

   Courtesy of NISSAN MOTOR CO., U.S.A.

Check the following.

• Harness connectors E211, M41
• Harness connectors M11, B1
• Harness connectors B84, B216
• IPDM E/R harness connector E7
• 10A fuse
• Harness for open or short between EVAP canister vent control valve and IPDM E/R

1. Repair harness or connectors.

1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminal 117 and EVAP canister vent control valve terminal 2. Refer to wiring diagram. See Figure.

   Continuity should exist  .

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

OK or NG

1. OK: Go to  7.
2. NG: Go to 6.

Check the following.

• Harness connectors M11, B1
• Harness connectors B84, B216
• Harness for open or short between EVAP canister vent control valve and ECM

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

1. Disconnect rubber tube connected to EVAP canister vent control valve.
2. Check the rubber tube for clogging.

OK or NG

1. OK: Go to 8.
2. NG: Clean the rubber tube using an air blower.

Refer to COMPONENT INSPECTION .

OK or NG

1. OK: Go to 9.
2. NG: Replace EVAP canister vent control valve.

Refer to TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT .

1. Inspection end