DTC P0505 - IDLE AIR CONTROL VALVE - AUXILIARY AIR CONTROL (IACV-AAC)
Check Power Supply
Turn ignition switch to OFF position. Disconnect IACV-AAC harness connector. Turn ignition switch to ON position. Using a voltmeter, measure voltage between IACV-AAC harness connector terminal "c" (Yellow wire) and ground. If battery voltage does not exist, repair fault in Yellow wire and check fuse No. 4 in fuse block. If battery voltage exists, go to next step.
Check Output Signal Circuit
Turn ignition switch to OFF position.
Disconnect ECM harness connector.
Check continuity between ECM harness connector terminal No. 101 and IACV-AAC harness connector terminal "d" (Blue wire).
If no continuity exists, repair open in Blue wire.
If continuity exists, go to next step.
Check Component
Inspect IACV-AAC valve.
Replace IACV-AAC valve as required.
Disconnect and reconnect harness connectors in circuit and perform FINAL CHECK.
Jun 13, 2010 at 9:37 PM
