Buick Regal 2018-2025 Service Manual / Accessories and Equipment / Wipers and Washers / Repair Instructions
Buick Regal: Repair Instructions
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Windshield Wiper and Washer Switch Replacement
Preliminary Procedures
1. Steering Column Lower Trim Cover Replacement.
2. Reposition the steering column upper trim cover as necessary.
Windshield Wiper and Washer Switch
Procedure
Disconn
Air Inlet Grille Panel Replacement
Preliminary Procedures
Windshield Wiper Arm Replacement - Remove [2x].
Air Inlet Grille Panel Retainer [6x]
Air Inlet Grille Panel
Procedure
Unlock the retaining tabs.
AIR INLET GRILLE PANEL WA
Description and Operation
WIPER/WASHER SYSTEM DESCRIPTION AND OPERATION
Wiper/Washer System Components
The wiper/washer system consists of the following electrical components:
Windshield Wiper Relay
Windshield Wiper Speed C
SEE MORE:
DTC P0071-P0074
Diagnostic Instructions
Perform the Diagnostic System Check prior to using this diagnostic
procedure: Diagnostic
System Check - Vehicle
Review the description of Strategy Based Diagnosis:Strategy Based
Diagnosis
An overview of each diagnostic category can be found here: Diagnostic
Procedu
Description and Operation
SEAT BELT SYSTEM DESCRIPTION AND OPERATION
Seat Belts
Solid Line - Hard Wire I/O
Dash Line - Serial Data
A11 - Radio
B88D - Seat Belt Switch - Driver
B88P - Seat Belt Switch - Passenger
K36 - Inflatable Restraint Sensing and Diagnostic Module
K85 - Passenger Presence Detection Module
P16 - Instrume
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