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Variable Tumble Control System (VTCS) Solenoid Valve

VARIABLE TUMBLE CONTROL SYSTEM (VTCS) SOLENOID VALVE INSPECTION

Airflow Inspection

NOTE: Perform the following test only when directed.

1. Remove the VTCS solenoid valve.
2. Inspect for airflow between each port under the following conditions:
- If as specified but the Simulation Test is failed, inspect for the following and perform the "Circuit Open/Short Inspection":
- Vacuum hose improper routing, kinks or leakage.







- If not as specified, replace the VTCS solenoid valve. (See VARIABLE TUMBLE CONTROL SYSTEM (VTCS) SOLENOID VALVE REMOVAL/INSTALLATION [BP, BP WITH TC].)

Circuit Open/Short Inspection




Open circuit
- Power circuit (VTCS solenoid valve connector terminal A and main relay connector terminal D through common connector)
- GND circuit (VTCS solenoid valve connector terminal B and PCM connector terminal 2N)

Short circuit
- VTCS solenoid valve connector terminal A and main relay connector terminal D through common connector to GND.