Variable Tumble Solenoid Valve Inspection

VARIABLE TUMBLE SOLENOID VALVE INSPECTION [L3]

1. Remove the variable tumble solenoid valve.
2. Inspect airflow between the ports under the following conditions.
- If not as specified, replace the variable tumble solenoid valve.
- If as specified, carry out the "Circuit Open/Short Inspection".






Circuit Open/Short Inspection
1. Disconnect the PCM connector.
2. Inspect the following wiring harness for open or short (continuity check).






Open circuit
- If there is no continuity, the circuit is open. Repair or replace the wiring harness.
- Variable tumble solenoid valve terminal A and main relay terminal C
- Variable tumble solenoid valve terminal B and PCM terminal 21

Short circuit
- If there is continuity, the circuit is shorted. Repair or replace the wiring harness.
- Variable tumble solenoid valve terminal A and body ground
- Variable tumble solenoid valve terminal B and power supply
- Variable tumble solenoid valve terminal B and body ground