Variable Tumble Shutter Valve Switch Inspection

VARIABLE SWIRL SHUTTER VALVE SWITCH INSPECTION[L3 WITH TC]

NOTE: Perform the following inspection only when directed.

Voltage Inspection
1. Turn the ignition switch to the ON position (Engine oft).




2. Verity that the PCM terminal 1 N voltage is as shown in the following table when the variable swirl shutter valve actuator rod is depressed and released by hand.

Variable Swirl Shutter Valve Switch Output Voltage:

- If not as specified, perform the "Circuit Open Short Inspection".
- It there is no open or short circuit, replace the intake manifold.

Circuit Open/Short Inspection




1. Disconnect the PCM connector.
2. Inspect the following harnesses for an open or short circuit. (Continuity check)

Open circuit
- If there is no continuity, there is an open circuit. Repair or replace the wiring harness.
- Variable swirl shutter valve switch terminal A and PCM terminal 1 N
- Variable swirl shutter valve switch terminal B and body ground.

Short circuit
- It there is continuity, there is a short circuit. Repair or replace the wiring harness.
- Variable swirl shutter valve switch terminal A and power supply
- Variable swirl shutter valve switch terminal A and body ground
- Variable swirl shutter valve switch terminal B and power supply