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DTC P1490 VACUUM CUT VALVE BYPASS VALVE EC-589 C D E F G H I J K L M A EC 6. DETECT MALFUNCTIONING PART Check the following. ● Harness connectors B401, B251 ● Harness connectors B211, M141 ● Harness connectors M135, F105 ● Harness for open or short between vacuum cut valve bypass valve and ECM >> Repair open circuit or short to ground or short to power in harness or connectors. 7. CHECK VACUUM CUT VALVE BYPASS VALVE Refer to EC-589, "Component Inspection" OK or NG OK >> GO TO 8. NG >> Replace vacuum cut valve bypass valve. 8. CHECK INTERMITTENT INCIDENT Refer to EC-132, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" >> INSPECTION END Component Inspection ABS002RN VACUUM CUT VALVE BYPASS VALVE With CONSULT-II 1. Reconnect all harness connectors disconnected. 2. Turn ignition switch ON. 3. Perform “VC/V BYPASS/V” in “ACTIVE TEST” mode. 4. Check air passage continuity and operation delay time under the Operation takes less than 1 second. With GST Check air passage continuity and operation delay time under the fol- Operation takes less than 1 second. Condition VC/V BYPASS/V Air passage continuity between A and B ON Yes OFF No PBIB0159E Condition Air passage continuity between A and B 12V direct current supply between Yes No supply No PBIB0160E |