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6 CHECK AIR CONTROL VALVE (POWER STEERING) OPERATION-II Check the vacuum hose for vacuum existence when steering wheel is turned. SEF778Z Vacuum should exist. OK or NG OK © GO TO 9. NG © GO TO 7. 7 CHECK VACUUM PORT 1. Stop engine. SEF779Z OK or NG OK © GO TO 8. NG © Repair or clean vacuum port. IDLE AIR CONTROL VALVE (IACV) — AUXILIARY AIR CONTROL (AAC) VALVE SR20DE Diagnostic Procedure (Cont’d) EC-1001 |