Tests AD: The Water In Fuel Warning Indicator Is Never/Always On

PINPOINT TEST AD: THE WATER IN FUEL WARNING INDICATOR IS NEVER/ALWAYS ON

Normal Operation
The PCM is hardwired to a water in fuel sensor. When water is detected in the fuel, the PCM sends a message over the communication network to the instrument cluster (IC), to illuminate the water in fuel indicator.

This pinpoint test is intended to diagnose the following:
- PCM
- Instrument cluster (IC)

AD1:

AD2-AD5: