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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 97 (Mirror System) >> Diagnostic Information and Procedures >> Power Mirror Malfunction (Without A45) >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.

Outside Mirror Description and Operation (without A45) 

Circuit Description
Up/DownControl The output circuit is switched from ground to 12 V to activate the component.
Left/RightControl The output circuit is switched from ground to 12 V to activate the component.
Ground Chassis Ground
Component Description
S146 Window/Outside Rearview Mirror Switch - Driver The switch assembly has a 4-way switch to control the mirror movement (up, down, left, right) and a 2-position switch to select the left and right mirror.
M77 Outside Rearview Mirror Motor The mirrors have 2 motors each. One for the up/down movement and one for the left/right movement. A switch allows to control the 4 motors individually in either direction.
X50A Fuse Block - Underhood The fuse block houses various fuses and relays.
K40 Seat Memory Control Module Depending on the version, the control module can support different functions:Seat Motors
  • Outside Rearview Mirror

The control module also reads various switches and sensors and makes their values available via serial data.