Pinpoint Test AO : A Low Washer Fluid Level Display Is Never Or Always On: Notes

WARNING: This page is about a different car, the 2018 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.

Refer to Instrument Cluster for schematic and connector information.

Normal Operation and Fault Conditions

See Low Washer Fluid Level Displays. REFER to: Warning Chimes - System Operation and Component Description .

If the washer fuel level low message is missing for less than 2 seconds, the IPC defaults the washer fluid level low message center display to its last state (on or off) based upon the last known good message received.

If the washer fuel level low message is missing for 2 seconds or longer, the IPC sets DTC U0140:00 in continuous memory and defaults the washer fuel level low message center display on.

IPC DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Conditions
B1177:13	Screenwash Level Switch: Circuit Open	An on-demand DTC that sets in the BCM if the washer fluid level input circuit is open.

Possible Sources

Wiring, terminals or connectors
Washer fluid level sensor
BCM

Visual Inspection and Diagnostic Pre-checks

Verify the washer fluid level is low for a never on display or full with an always on display.