No
REPAIR Circuit 950 (W/BK). CLEAR the DTCs. TEST the system for normal operation.
A5 CHECK THE WIPER SWITCH OUTPUTS BY MONITORING THE PID WPMODE
Monitor the PID WPMODE while turning the wiper switch through all the switch positions.
Do the PID WPMODE values agree with all the wiper switch positions?
Yes
GO to A12.
No
GO to A6.
A6 CHECK THE WIPER/WASHER SWITCH
Multifunction Switch C259
Check the wiper/washer switch (multifunction switch) for proper operation; refer to Section
211-05.
Is the multifunction switch (13K359) OK?
Yes
GO to A7.
No
REPLACE the multifunction switch; REFER to Section 211-05. CLEAR the DTCs. TEST the
system for normal operation.
A7 CHECK CIRCUIT 680 (LB/O) FOR OPEN
GEM C239
Measure the resistance between GEM C239-13, Circuit 680 (LB/O) and multifunction switch
C259-590, Circuit 680 (LB/O).
Is the resistance less than 5 ohms?
Yes
GO to A8.
No
REPAIR Circuit 680 (LB/O). CLEAR the DTCs. TEST the system for normal operation.
A8 CHECK CIRCUIT 682 (DB) FOR OPEN
Measure the resistance between GEM C239-21, Circuit 682 (DB) and multifunction switch
C259-993, Circuit 682 (DB).
Is the resistance less than 5 ohms?
2000 Expedition/Navigator Workshop Manual
http://www.fordtechservice.dealerconnection.com/pubs/content/~WSYJ/~MUS~LEN/20