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3 CHECK IACV-FICD SOLENOID VALVE POWER SUPPLY CIRCUIT
1. Turn air conditioner switch and blower fan switch OFF.
2. Stop engine.
3. Disconnect IACV-FICD solenoid valve harness connector.
LEC515
4. Start engine, then turn air conditioner switch and blower fan switch ON.
5. Check voltage between terminal 2 and ground with CONSULT-II or tester.
SEF680W
Voltage: Battery voltage
OK or NG
OK 䊳 GO TO 5.
NG 䊳 GO TO 4.
4 DETECT MALFUNCTIONING PART
Check the following.
쐌 Harness connectors F38, F102
쐌 Harness for open or short between IACV-FICD solenoid valve and harness connector F27
䊳 Repair harness or connectors.
5 CHECK IACV-FICD SOLENOID VALVE GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ambient air temperature switch harness connector.
3. Check harness continuity between switch terminal 1 and body ground.
Refer to Wiring Diagram.
Continuity should exist.
4. Also check harness for short to power.
OK or NG
OK 䊳 GO TO 6.
NG 䊳 GO TO 7.
IACV-FICD SOLENOID VALVE
VG33E
Diagnostic Procedure (Cont’d)
EC-1192
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