The Low Washer Fluid Indicator Does Not Operate Correctly - Ford Expedition 2000 Workshop Manual

2000 Expedition/Navigator Workshop Manual
K3 CHECK CIRCUIT 485 (PK/BK) FOR A SHORT TO GROUND
GEM C240
PINPOINT TEST L: THE LOW WASHER FLUID INDICATOR DOES NOT OPERATE CORRECTLY
NOTE: Complete the entire Pinpoint Test related to the symptom before replacing the GEM.
CONDITIONS
L1 CHECK THE IGNITION STATES — MONITOR PID IGN_A, IGN_S, IGN_R, AND IGN_O/L
Scan Tool
L2 RETRIEVE THE DIAGNOSTIC TROUBLE CODES (DTCS)
Retrieve and Document Continuous DTCs
Clear Continuous DTCs
Wiper Control Test
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Yes
GO to K3.
No
REPLACE the multifunction switch; REFER to
system for normal operation.
Measure the resistance between multifunction switch C258-380, Circuit 485 (PK/BK) and
ground.
Is the resistance greater than 10,000 ohms?
Yes
REPLACE the GEM; REFER to Section 419-10. CLEAR the DTCs. TEST the system for
normal operation.
No
REPAIR Circuit 485 (PK/BK). CLEAR the DTCs. TEST the system for normal operation.
DETAILS/RESULTS/ACTIONS
Monitor the PIDS IGN_A, IGN_S, IGN_R, AND IGN_O/L while turning the ignition switch
through the START, RUN, OFF and ACC positions.
Do the PID values agree with the ignition switch positions?
Yes
GO to L2.
No
REPAIR the ignition circuit (RUN/ACC: Circuit 297 [BK/LG], RUN: Circuit 687 [GY/Y], START:
Circuit 32 [R/LB] or Circuit 481 [GY/Y]) in question. CLEAR the DTCs. TEST the system for
normal operation.
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Section 211-05. CLEAR the DTCs. TEST the
8/4/2010