Diagnosis Procedure

1. Turn ignition switch OFF.
2. Disconnect EVAP canister purge volume control solenoid valve harness connector.
3. Turn ignition switch ON.
4. Check the voltage between EVAP canister purge volume control solenoid valve harness connector and ground.

   +		-	Voltage
   EVAP canister purge volume control solenoid valve
   Connector	Terminal
   F29	1	Ground	Battery voltage

Is the inspection result normal?

YES

GO TO 2.

NO

Perform the trouble diagnosis for power supply circuit.

1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between EVAP canister purge volume control solenoid valve harness connector and ECM harness connector.

   EVAP canister purge volume control solenoid valve		ECM		Continuity
   Connector	Terminal	Connector	Terminal
   F29	2	F13	54	Existed

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

Is the inspection result normal?

YES

With CONSULT: GO TO 3.

YES

Without CONSULT: GO TO 4.

NO

Repair open circuit, 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 C/V" in "ACTIVE TEST" mode with CONSULT. Check that engine speed varies according to the valve opening.

Does engine speed vary according to the valve opening?

YES

INSPECTION END

NO

GO TO 4.

Check EVAP canister purge volume control solenoid valve. Refer to Component Inspection .

Is the inspection result normal?

YES

INSPECTION END

NO

Replace EVAP canister purge volume control solenoid valve. Refer to Component Parts Location .