Diagnosis Procedure

1. Turn ignition switch OFF.
2. Disconnect EVAP canister purge volume control solenoid valve harness connector.
3. Turn ignition switch ON.
   Fig 1: Identifying EVAP Service Port And EVAP Canister Purge Volume Control Solenoid Valve

   Courtesy of NISSAN NORTH AMERICA, INC.
4. Check voltage between EVAP canister purge volume control solenoid valve terminal 1 and ground with CONSULT or tester.

   Voltage: Battery voltage 

   Fig 2: Checking Voltage Between EVAP Canister Purge Volume Control Solenoid Valve Terminal 1 And Ground

   Courtesy of NISSAN NORTH AMERICA, INC.

   OK or NG 

   OK: GO TO  3.

   NG: GO TO 2.

Check the following.

• Harness connectors E2, F32
• 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.

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 2. 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): GO TO 4.

   OK (Without CONSULT): GO TO  5.

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

With CONSULT 

1. Reconnect all harness connectors disconnected.
2. Start engine.
3. Perform "PURG VOL CONT/V" in "ACTIVE TEST" mode with CONSULT. Check that engine speed varies according to the valve opening.

   OK or NG 

   OK: GO TO  6.

   NG: GO TO 5.

Refer to "COMPONENT INSPECTION ".

OK or NG 

OK: GO TO 6.

NG: Replace EVAP canister purge volume control solenoid valve.

Refer to "HOW TO CHECK TERMINAL " and "INTERMITTENT INCIDENT ".

INSPECTION END