Symptom Chart: Wiper and Washer

Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to DIAGNOSTIC METHODS for information regarding Ford-specific diagnostic practices.

Condition	Possible Sources	Actions
The windshield wipers are inoperative	Fuse Wiper relay Wiring, terminals, or connectors Wiper/washer switch (without police package) Multifunction switch (with police package) Windshield wiper motor SCCM	GO to PINPOINT TEST A .
The rear window wiper is inoperative	Fuse Wiring, terminals or connectors Wiper/washer switch (without police package) Multifunction switch (with police package) Rear window wiper motor Windshield wiper motor SCCM	GO to PINPOINT TEST B .
The windshield wipers stay on continuously	Wiring terminals or connectors Wiper/washer switch (without police package) Multifunction switch (with police package Windshield wiper motor SCCM	GO to PINPOINT TEST C .
The rear window wiper stays on continuously	Wiring, terminals or connectors Wiper/washer switch (without police package) Multifunction switch (with police package) Rear window wiper motor Windshield wiper motor SCCM	GO to PINPOINT TEST D .
The windshield wipers do not operate correctly in the intermittent mode	Wiper/washer switch (without police package) Multifunction switch (with police package) SCCM Windshield wiper motor	If the vehicle is equipped with rain sensitive wipers, GO to PINPOINT TEST G . If the vehicle is not equipped with rain sensitive wipers, GO to PINPOINT TEST E .
The windshield or rear window wipers do not operate correctly in the low or high speed mode	Wiper/washer switch (without police package) Multifunction switch (with police package) SCCM Windshield wiper motor	GO to PINPOINT TEST E .
The windshield wipers operate in high speed only	Wiring, terminals or connectors Wiper/washer switch (without police package) Multifunction switch (with police package) Windshield wiper motor SCCM	GO to PINPOINT TEST F .
The rain sensitive wipers are inoperative	Fuse Wiring, terminals or connectors Foreign material on windshield, such as dirt, dust or bugs Wiper blades Damaged windshield glass Rain sensor SCCM	GO to PINPOINT TEST G .
The rain sensitive wipers have erratic/inconsistent operation	Foreign material on windshield, such as dirt, dust or bugs Wiper blades Damaged windshield glass Rain sensor	GO to PINPOINT TEST G .
The rain sensitive wipers are too sensitive/not sensitive enough to moisture	Foreign material on windshield, such as dirt, dust or bugs Wiper blades Damaged windshield glass Rain sensor	GO to PINPOINT TEST G .
The washer pump is inoperative/always on	Fuse Rear washer relay Wiring, terminals or connectors Wiper/washer switch (without police package) Multifunction switch (with police package) Windshield wiper motor	GO to PINPOINT TEST H .
The windshield wipers do not park at the correct position	Damaged wiper mounting arm and pivot shaft Windshield wiper motor Pivot arm adjustment	INSTALL a new wiper mounting arm and pivot shaft. REFER to WIPER PIVOT ARM - Front . If the wipers operate in low speed mode correctly but immediately stop on the windshield as soon as they are turned off, INSTALL a new windshield wiper motor. REFER to WIPER MOTOR - Windshield . ADJUST the pivot arms. REFER to WIPER BLADE AND PIVOT ARM ADJUSTMENT - Windshield .
The rear window wiper does not park at the correct position	Pivot arm adjustment	ADJUST the pivot arm. REFER to WIPER BLADE AND PIVOT ARM ADJUSTMENT - Rear Window .