Checking the Idle Air Control Valve's Power Supply

Checking The Idle Air Control Valve's Power Supply












- Switch off the engine.

Unplug the connector:
- Idle air control valve (272)







- Start the engine and run it at idling speed.












- Connect a test lamp to pin 2 of the female connector and a good grounding point.







- The test lamp should light

Checking the wiring harness.
Jiggle the leads and in-line connectors at several places and in different directions to reveal intermittent breaks and short circuits in the wiring harness Observe the multimeter, test lamp or diagnostic tool while doing this.

Is the function correct?

NO -

YES -