Check Communication Circuit Of Fuel Economy System
- CHECK FUEL ECONOMY DISPLAY OFF MODE.
Check that the mode display changes when the MFD (INFO) switch is operated. (Display changes in the following order: cruising distance → average fuel economy → instantaneous fuel economy → continuous driving time → average vehicle speed → blank display)
Is fuel economy displayed?
Yes: MFD is normal.
No: Go to 2.
- CHECK MFD.
- Remove the MFD.
- Attach the fuel economy display to another vehicle on which the fuel economy display operates normally to check its operation.
Is the fuel economy display correct?
Yes: Replace the meter - main assembly. Ref. to INSTRUMENTATION/DRIVER INFO>COMBINATION METER .
No: Replace MFD.