Washer Fluid Level Indicator: Testing and Inspection

Low Washer Fluid Warning Lamp

The diagnosis found here addresses an inoperative low washer fluid warning lamp condition.

If the prob1cm being diagnosed is related to lamp accuracy, be certain to confirm that the problem is with the lamp or switch and not with a damaged or empty washer fluid reservoir.

Inspect the reservoir for proper fluid level and signs of damage or distortion that could affect switch performance before you proceed with lamp diagnosis.

1. Check the fuse in the Power Distribution Center (PDC).
If OK, go to Step 2.
If not OK, replace the faulty fuse.
2. Turn the ignition switch to the ON position.
Check for battery voltage at the fuse in the PDC.
If OK, go to Step 3.
If not OK, repair the open circuit to the ignition switch as required.
3. Unplug the washer fluid level switch connector.
Turn the ignition switch to the ON position.
Check for battery voltage at the fused ignition switch output circuit cavity of the washer fluid level switch connector.
If OK, turn the ignition switch to the OFF position and go to Step 4.
If not OK, repair the open circuit to the PDC as required.
4. Install a jumper wire between the fused ignition switch output circuit cavity and the washer fluid switch sense circuit cavity of the washer fluid level switch connector.
Turn the ignition switch to the ON position. The lamp should light.
Disconnect the jumper wire and the lamp should go OFF.
If OK, replace the faulty washer fluid level switch.
If not OK, reinstall the jumper wire and go to Step 5.
5. Turn the ignition switch to the OFF position.
Disconnect the battery negative cable.
Remove the instrument cluster bezel and the cluster assembly. Service and Repair
Unplug the cluster tell-tale connector.
Turn the ignition switch to the ON position.
Check for battery voltage at the washer fluid switch sense circuit cavity of the tell-tale connector.
If OK, replace the faulty bulb.
If not OK, repair the open circuit to the washer fluid level switch as required.