Circuit/System Verification
- Ignition ON.
- Verify the exhaust noise changes modes from quiet to active rumble when commanding the Q15 Exhaust Flow Control Valve Open or Closed with a scan tool. The exhaust noise will be in quiet mode when the valve is closed. The exhaust noise will be in active rumble mode when the valve is open.
- If the exhaust noise does not change
Refer to Circuit/System Testing.
- If the exhaust noise changes
- If the exhaust noise does not change
- All OK.