Circuit/System Verification
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.
- Ignition - On / Vehicle - In Service Mode
- Perform the scan tool control function: Driver Window Motor - Up & Down
Verify the component works as specified: M74D Window Motor - Driver = Up & Down
- If not the specified state
Test or replace the component: M74D Window Motor - Driver
- Go to next step: If the specified state
- If not the specified state
- Perform the scan tool control function: Driver Window Motor - Down
- Operate the component: S146 Window/Outside Rearview Mirror Switch - Driver - Pulled = Up & Release
Verify the component works as specified: M74D Window Motor - Driver = Express Up
- If not the specified state
Use the following procedure: Window Motor Programming - Express Function
- Go to next step: If the specified state
- If not the specified state
- Ignition/Vehicle & All vehicle systems - Off
- Ignition - On / Vehicle - In Service Mode
- Perform the scan tool control function: Driver Window Motor - Down
- Operate the component: S146 Window/Outside Rearview Mirror Switch - Driver - Pulled = Up & Release
Verify the component works as specified: M74D Window Motor - Driver = Express Up
- If not the specified state
Test or replace the component: M74D Window Motor - Driver
- Go to next step: If the specified state
- If not the specified state
- All OK.
NOTE:
It may take up to 2 min for all vehicle systems to power down before an accurate ground or low reference circuit continuity test can be performed.