Do the wipers operate?
Yes
REPLACE the wiper HI/LO relay. CLEAR the DTCs. TEST the system for normal operation.
No
GO to A22.
A22 CHECK THE GROUND TO THE WINDSHIELD WIPER MOTOR FOR OPEN
Windshield Wiper Motor C165
Measure the resistance between windshield wiper motor C165-3, Circuit 57 (BK) and ground.
Is the resistance less than 5 ohms?
Yes
GO to A23.
No
REPAIR Circuit 57 (BK). CLEAR the DTCs. TEST the system for normal operation.
A23 CHECK THE WIPER MECHANISM
Remove the linkage from the windshield wiper motor.
Are the wipers free?
Yes
CHECK the windshield wiper motor by performing the Windshield Wiper Motor — Current
Draw Test; REFER to Component Tests. REPLACE the windshield wiper motor if it does not
pass the test; REFER to Motor—Windshield Wiper. CLEAR the DTCs. TEST the system for
normal operation.
No
REPAIR the windshield wiper mechanism. CLEAR the DTCs. TEST the system for normal
operation.
CONDITIONS DETAILS/RESULTS/ACTIONS
B1 CHECK THE IGNITION STATES — MONITOR THE PIDS IGN_A, IGN_S, IGN_R, AND IGN_O/L.
Scan Tool
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.
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