Check Communication Circuit Of Fuel Economy System
- CHECK FUEL ECONOMY DISPLAY OFF MODE
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Check that the mode display changes when the MFD changeover knob 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
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- 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 the MFD.