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7 CHECK VACUUM HOSES AND TUBES
1. Disconnect vacuum hoses between air control valve (Power steering) and vacuum port, air control valve (Power steer-
ing) and intake air duct.
2. Check the hoses and tubes for crack, clogging, improper connection or disconnection.
SEF109L
OK or NG
OK © GO TO 8.
NG © Repair hoses or tubes.
8 CHECK IACV-AAC VALVE-I
1. Disconnect IACV-AAC valve harness connector.
2. Check resistance between IACV-AAC valve terminal 2 and terminals 1, 3, terminal 5 and terminals 4, 6.
SEF344X
OK or NG
OK © GO TO 9.
NG © Replace IACV-AAC valve assembly.
DTC P0505 IDLE AIR CONTROL VALVE (IACV) — AUXILIARY AIR CONTROL
(AAC) VALVE
Diagnostic Procedure (Cont’d)
EC-436
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