Buick Encore: Exterior Trim- Description and operation
WATER MANAGEMENT DESCRIPTION AND OPERATION
Plenum Water Flow Direction and Cleaning
A large percentage of water will flow off the windshield area into the plenum
chamber drain system and then
down the outside on the plenum to the underside of the vehicle. To ensure that
the plenum chamber water
management system performs properly, the air inlet grille panel, plenum chamber,
and drains must not be
blocked with debris.
In the graphic below the gray arrows show the water flow direction in the plenum
chamber and drains system.
Fig. 42: Plenum Water Flow Direction And Cleaning
Plenum Chamber and Drain Valve-Cleaning
The plenum chamber is located in front of the windshield and below the air
inlet grille panel.
- Remove the air inlet grille panel. Refer to Air Inlet Grille Panel
Replacement (Encore) , Air Inlet Grille
Panel Replacement (Encore) .
- Clean the plenum chamber, drains and the air inlet grille panel of
debris blockage.
- Flush the plenum chamber, drains and the air inlet grille panel with
clean water.
- Install the air inlet grille panel. Refer to Air Inlet Grille Panel
Replacement (Encore) , Air Inlet Grille
Panel Replacement (Encore)
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SPECIFICATIONS
FASTENER TIGHTENING SPECIFICATIONS
Fastener Tightening Specifications
SCHEMATIC WIRING DIAGRAMS
MOVEABLE WINDOW WIRING SCHEMATICS (ENCORE)
Front Windows
Fig. 1: Front Windows
Rear W
DTC B0283: Rear defrost circuit
DIAGNOSTIC CODE INDEX
DTC B0283: REAR DEFROST CIRCUIT
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedu
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BODY CONTROL SYSTEM DESCRIPTION AND OPERATION
The body control system consists of the body control module (BCM),
communications, and various input and
outputs. Some inputs, outputs and messages require other modules to interact
with the BCM. The BCM also has
discrete input and output terminals to
NOTE: This is GENERAL information. This article is not
intended to be specific to any
unique situation or individual vehicle configuration. For model-specific
information see appropriate articles where available.
INTERPRETING A VOLTAGE CONTROLLED PATTERN
NOTE: Voltage controlled drivers are also k