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SEF353Q COMPONENT INSPECTION IACV-AAC valve 1. Disconnect IACV-AAC valve harness connector. 2. Check resistance between the following terminals. q 2 and terminals q 1 , q 3 terminal q 5 and terminals q 4 , q 6 Resistance: Approximately 30 Ω [at 20°C (68°F)] SEF261Q 3. Reconnect IACV-AAC valve harness connector. 4. Remove idle air adjusting unit assembly (IACV-AAC valve is 5. Turn ignition switch “ON” and “OFF”, and ensure the IACV- GI MA EM LC FE AT PD FA RA BR ST RS BT HA EL IDX TROUBLE DIAGNOSIS FOR DTC P0505 Idle Air Control Valve (IACV) — Auxiliary Air EC-345 |