9-3 (9440) FaultTrace Mode

Checking control module input

See Reading:

Alternator F Terminal

Start the engine and run it at idling speed.

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.

Value should read:

Is the function correct?