Question about 2000 Saturn SL
The windshield wipers in my car suddenly began parking in the middle of the windshield instead of at the bottom. Does anyone know how to fix this?
I had the same problem in my LW200. As the other poster indicated a new wiper motor will do the trick. This is an easy fix. Remove the wiper arms, pry up the plastic center cap and remove the nuts holding the arms down then pull them off. A soft prying nudge from underneath will help as they are splined shafts. Raise the hood, put a large deep well socket on over the splined shafts and remove the 2 large nuts holding the trim panel on. Pull up and off the long rubber which runs along the front of the trim panel, watch there is a sharp edge underneath. Now you can gently pull off the trim panel, remembering to lift it over the splined shafts. Mechanism is right there, remove 3 screws and unplug wiring. Take wiper motor off the linkage swap with a new one at advance auto, about 100 bucks, reinstall in reverse order. Note there is a stamping on the linkage telling you where the pivot arm should be for the rest or stopped position and if you ignore that your wipers will be out of whack. While you are in there you may want to change the cabin air filter as well.
Posted on Sep 02, 2009
Try a new relay
Posted on Jan 11, 2009
Tips for a great answer:
Body control module (BCM)
Wiper 1 relay
Wiper 2 relay
Windshield wiper motor
Windshield washer pump
Windshield washer nozzles
Windshield washer solvent container
Windshield wiper arm and blade assemblies
Windshield wiper transmission
WIPER/SW 10A fuse
WIPER 25A fuse
The body control module (BCM) controls the wiper motor based on input from the windshield wiper washer switch. The BCM monitors the wiper washer switch through three separate signal circuits and a ground circuit. The windshield wiper switch high signal circuit is used to determine high speed wiper operation, the windshield wiper switch low signal is used to determine low speed, intermittent, and mist operation through the use of a resistor ladder, and windshield washer switch signal circuit is used to determine washer operation. The windshield wiper motor park operation is controlled by the BCM. The BCM recieves an input from the park switch to determine wiper blade position. When the wiper blades are at the bottom of the windshield glass in park position the wiper park switch will open and the circuit will be pulled up to B+ by the BCM. The park signal will be pulled to ground by the wiper motor park switch while the wiper blades are not in the park position.
The BCM controls the windshield wiper motor through two output controls, controlling two relays which determine the desired wiper speed, high or low
Diagnostic Trouble Codes (DTCs)
The body control module (BCM) monitors the voltage on the windshield wiper switch signal 2 circuit for diagnostic purposes. If the circuit is shorted to voltage while the driver is commanded OFF, the BCM will store DTC B3715. If the circuit is shorted to ground while the driver is commanded ON, the BCM will store DTC B3715. Refer to DTC B3715.
It would be best to have a factory scan tool to diagnose this problem . it would make it easier anyway .
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