INSPECTION PROCEDURE 6: When the ECO Mode Switch is Turned On, the Drive Mode is not Switched into AWC ECO Mode.


COMMENTS ON TROUBLE SYMPTOM


The ECO mode switch, the ETACS-ECU, the CAN bus lines, or the AWC-ECU is suspected.

PROBABLE CAUSES



DIAGNOSIS PROCEDURE

STEP 1. M.U.T.-III data list
Check the following data list (Refer to GROUP 54A - ETACS, Data List Reference Table ).

  • Item No.408: Filler lid Open SW/ECO mode SW

Q. Is the check result normal?
Go to Step 4.
Go to Step 2.

STEP 2. Follow the ETACS-ECU trouble symptom procedure "The hazard indicator assembly (ECO mode switch) signal is not received."
Refer to GROUP 54A - ETACS, Trouble Symptom Chart for Input Signal.

Q. Is the check result normal?
Go to Step 4.
Repair it. Then go to Step 3.

STEP 3. Retest the system.

Q. Does the malfunction occur again?
Go to Step 4.
This diagnosis is complete.

STEP 4. M.U.T.-III diagnosis code.
Check whether an ETACS-related diagnosis code is set in the AWC-ECU (Refer to ).

Q. Is the DTC set?
Perform the relevant troubleshooting. Then go to Step 5.
Go to Step 5.

STEP 5. Retest the system.

Q. Does the malfunction occur again?
Diagnose again from Step 1.
This diagnosis is complete.