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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
Is diagnostic trouble code stored?
Inspection chart for diagnostic trouble code (Refer to ).
Go to Step 2.
 
STEP 2. Check the trouble symptom.
Does the trouble symptom persist?
Check combination meter system (Refer to GROUP 54A - Combination Meter - Trouble Symptom Chart ).
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).