Pinpoint Test Aw: The Low Washer Fluid Level RTT (RECONFIGURABLE Telltale) Indicator Is Never Or Always On

Refer to Instrument Cluster for schematic and connector information.
Normal Operation and Fault Conditions

See Low Washer Fluid Level RTT Indicator. REFER to: Message Center - System Operation and Component Description .

Possible Sources
- Wiring, terminals or connectors
- Low washer fluid switch
- IPC
Visual Inspection and Pre-checks
- Verify the washer fluid reservoir is full and the ignition has been cycled at least once prior to beginning the pinpoint test for an always on condition or the washer fluid is or has been reported low for a never on condition.

AW1 CHECK THE MESSAGE CENTER OPERATION

Ignition ON.

Close all doors and the luggage compartment lid.

Clear all message center warnings by pressing the OK button for each warning present.

Monitor the door ajar RTT warning indicator.

Open the driver door.

Clear the message center popup warning.

Monitor the door ajar RTT warning indicator.

Is the door ajar RTT warning indicator off with the door closed then does the RTT warning indicator turn on with the door open?

Yes	If the low washer fluid level RTT indicator is inoperative, GO to AW2 If the low washer fluid level RTT indicator is always on, GO to AW5

No	GO to Pinpoint Test AO

AW2 CHECK THE LOW WASHER FLUID INDICATOR OPERATION

Ignition OFF.

Disconnect Low Washer Fluid Level Switch C138.

Connect:

Lead 1	Measurement / Action	Lead 2
C138-1	Courtesy of FORD MOTOR COMPANY	C138-2

Ignition ON.

Wait one minute.

Observe the low washer fluid level RTT indicator.

Is the low washer fluid level RTT indicator on?

Yes	REMOVE the fused jumper wire. INSTALL a new washer fluid level switch or reservoir as necessary.

No	REMOVE the fused jumper wire. GO to AW3

AW3 CHECK THE WASHER FLUID LEVEL SWITCH GROUND CIRCUIT FOR AN OPEN AT THE WASHER FLUID LEVEL SWITCH

Ignition OFF.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C138-2	Courtesy of FORD MOTOR COMPANY	Ground

Is the resistance less than 3 ohms?

Yes

GO to AW4

No	REPAIR the circuit.

AW4 CHECK THE WASHER FLUID LEVEL INPUT CIRCUIT FOR AN OPEN

Disconnect IPC C220.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C220-11	Courtesy of FORD MOTOR COMPANY	C138-1

Is the resistance less than 3 ohms?

Yes

GO to AW7

No	REPAIR the circuit.

AW5 CHECK THE WASHER FLUID INPUT CIRCUIT FOR A SHORT TO GROUND
- Ignition OFF.
- Disconnect Low Washer Fluid Level Switch C138.
- Ignition ON.
- Wait one minute.
- Observe the low washer fluid level RTT indicator.
Did the low washer fluid level RTT indicator turn off?

Yes INSTALL a new washer fluid level switch or reservoir as necessary.

No GO to AW6

AW6 CHECK THE WASHER FLUID INPUT CIRCUIT FOR A SHORT TO GROUND

Ignition OFF.

Disconnect IPC C220.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C220-11	Courtesy of FORD MOTOR COMPANY	Ground

Is the resistance greater than 10, 000 ohms?

Yes

GO to AW7

No	REPAIR the circuit.

AW7 CHECK FOR CORRECT IPC (INSTRUMENT PANEL CLUSTER) OPERATION

Ignition OFF.

Disconnect and inspect the IPC connectors.

Repair:
- corrosion (install new connector or terminals - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary

Reconnect the IPC connectors. Make sure they seat and latch correctly.

Operate the system and determine if the concern is still present

Is the concern still present?

Yes	CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new IPC. Refer to Instrument Panel Cluster (IPC) .

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.