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Diagnostic Procedure
NGEC0851
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.
AEC652A
3. Turn ignition switch ON.
4. Check voltage between terminal 1 and engine ground with CONSULT-II or tester.
SEF646W
Voltage: Battery voltage
OK or NG
OK 䊳 GO TO 3.
NG 䊳 GO TO 2.
2 DETECT MALFUNCTIONING PART
Check the following.
쐌 Harness connectors F36, M81
쐌 Harness connectors M82, E74
쐌 Harness for open or short between EVAP canister purge volume control solenoid valve and ECM relay
쐌 Harness for open or short between EVAP canister purge volume control solenoid valve and ECM
䊳 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 5 and 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 䊳 GO TO 5.
NG 䊳 GO TO 4.
DTC P1444 EVAP CANISTER PURGE VOLUME CONTROL
SOLENOID VALVE
VG33E
Diagnostic Procedure
EC-1096
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