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DTC P1800 VIAS CONTROL SOLENOID VALVE EC-1305 [VK45DE] C D E F G H I J K L M A EC 2. DETECT MALFUNCTIONING PART Check the following. ● Harness connectors E12, F3 ● Harness for open or short between VIAS control solenoid valve and IPDM E/R >> Repair harness or connectors. 3. CHECK VIAS CONTROL SOLENOID VALVE OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Check harness continuity between ECM terminal 29 and VIAS control solenoid valve terminal 2. 4. Also check harness for short to ground and short to power. OK or NG OK >> GO TO 4. NG >> Repair open circuit or short to ground or short to power in harness or connectors. 4. CHECK VIAS CONTROL SOLENOID VALVE Refer to EC-1305, "Component Inspection" . OK or NG OK >> GO TO 5. NG >> Replace VIAS control solenoid valve. 5. CHECK INTERMITTENT INCIDENT Refer to EC-857, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" >> INSPECTION END Component Inspection NBS005NK VIAS CONTROL SOLENOID VALVE With CONSULT-II 1. Reconnect harness connectors disconnected. 2. Turn ignition switch ON. 3. Perform “VIAS SOL VALVE” in “ACTIVE TEST” mode. 4. Check air passage continuity and operation delay time under the Operation takes less than 1 second. Continuity should exist. Condition VIAS SOL VALVE Air passage continuity between (A) and (B) Air passage continuity between (A) and (C) ON Yes No OFF No Yes PBIB0177E |