Component Testing
WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
Outside Rearview Mirror
- Ignition OFF, disconnect the inline harness connector at the appropriate A9 Outside Rearview Mirror.
- Install a 10 A fused jumper wire between one of the control terminals and 12 V. Momentarily install a jumper wire between the other control terminal and ground. Reverse the jumper wires at least two times, the A9 Outside Rearview Mirror should perform the FOLD and UNFOLD functions.
- If the function does not perform the FOLD and UNFOLD functions
Replace the A9 Outside Rearview Mirror.
- If the function performs the FOLD and UNFOLD functions
- If the function does not perform the FOLD and UNFOLD functions
- All OK