Circuit/System Verification
WARNING: This page is about a different car, the 2016 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON.
- Verify the exhaust flow control valves open and close when commanding the Exhaust Flow Control Valve On and Off with a scan tool.
- If the exhaust flow control valves do not open and close
Refer to Circuit/System Testing
- If the exhaust flow control valves open and close
- If the exhaust flow control valves do not open and close
- All OK.