501-16-4 Wipers and Washers 501-16-4
DIAGNOSIS AND TESTING
Wipers and Washers
Inspection and Verification
1. Verify the customer concern.
2. Visually inspect for obvious signs of
mechanical or electrical damage.
Visual Inspection Chart
Electrical
• Fuse(s).
• Wiring harnesses.
• Electrical connector(s).
3. If an obvious cause for an observed or
reported concern is found, correct the cause
(if possible) before proceeding to the next
step.
4. If the concern is not visually evident, verify
the symptom and refer to the Symptom
Chart.
Symptom Chart
Condition
Possible Sources
Action
• The wipers are inoperative.
• Fuse.
• Circuit(s).
• Windshield wiper motor.
• Multifunction switch.
• Central Junction Box (CJB).
• Go To Pinpoint Test A
• The wipers stay on continu-
ously.
• Circuit(s).
• Windshield wiper motor.
• Multifunction switch.
• Go To Pinpoint Test B
• The high/low wiper speeds do
not operate correctly (intermit-
tent wiper mode OK).
• Circuit(s).
• Relay – intermittent wipe.
• Windshield wiper motor.
• Multifunction switch.
• Go To Pinpoint Test C
• The intermittent wiper speed
does not operate correctly
(high/low speeds OK).
• Circuit(s).
• Relay – intermittent wipe.
• Windshield wiper motor.
• Multifunction switch.
• Go To Pinpoint Test D
• The wash and wipe function are
inoperative.
• Circuit(s).
• Relay – intermittent wipe.
• Multifunction switch
• Go To Pinpoint Test E
• The wipers will not park at the
correct position.
• Circuit(s).
• Relay – intermittent wipe.
• Windshield wiper motor.
• Multifunction switch.
• Go To Pinpoint Test F
• The wipers do not operate cor-
rectly in the MIST position.
• Circuit(s).
• Relay – intermittent wipe.
• Go To Pinpoint Test G
• The washer pump is inoperative.
• Circuit(s).
• Washer pump motor.
• Multifunction switch.
• Go To Pinpoint Test H
E9432 EN 07/2001 2002 Bantam
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