Inspection Procedure 23: In Running, The ECO Mode Indicator Shows Nothing <Vehicles with ECO mode indicator>
COMMENTS ON TROUBLE SYMPTOM
- Under a good driving conditions of fuel consumption, the engine control module shows ECO mode indicator through the CAN.
- If the engine control module does not show ECO mode indicator no matter how the vehicle runs, the possible causes are a abnormal combination meter, also abnormal communication between the engine control module and the combination meter.
PROBABLE CAUSES
- Failed ECO mode indicator
- Open/short circuit in combination meter circuit
DIAGNOSIS
STEP 1. M.U.T.-III diagnostic trouble code
STEP 2. Check the trouble symptom.