M74 Window Motor - Test
WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition/Vehicle & All vehicle systems - Off
- Disconnect the appropriate electrical connector: M74 Window Motor
- Connect a 25 A fused jumper wire between the test points: Control terminal 1 & B+
- Momentarily connect a jumper wire between the test points: Control terminal 2 & Ground
Reverse the jumper wires 2 times between the terminals.
Verify the component operates in both directions: M74 Window Motor=Up & Down
- If not the specified state
Replace the component: M74 Window Motor
- If the specified state
- If not the specified state
- All OK.