9-3 (9440) FaultTrace Mode

Checking test value

Start the engine and run it at idling speed.

See Reading: A/C Request.

Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.

The reading should be: ON

Is the function correct?