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8 CHECK VACUUM CUT VALVE BYPASS VALVE With CONSULT-II 1. Perform “VC/V BYPASS/V” in “ACTIVE TEST” mode. SEF807Y Without CONSULT-II Check air passage continuity and operation delay time under the following conditions. SEF557Y OK or NG OK © GO TO 9. NG © Replace vacuum cut valve bypass valve. GI MA EM LC FE CL MT AT AX SU BR ST RS BT HA SC EL IDX DTC P1491 VACUUM CUT VALVE BYPASS VALVE Diagnostic Procedure (Cont’d) EC-575 |