Diagnostic Procedure
- STEP 1. Scan tool (M.U.T.-III) CAN bus diagnostics.
Use scan tool (M.U.T.-III) to perform the CAN bus diagnosis.
Q: Is the check result normal?
YES : Go to Step 2.
NO : Repair the CAN bus lines (Refer to - Diagnosis, CAN BUS DIAGNOSTICS TABLE ). Then go to Step 3.
- STEP 2. Check whether the DTC is stored again.
Q: Is DTC No. C1707 stored?
YES : Go to Step 3.
NO : This diagnosis is complete.
- STEP 3. Scan tool (M.U.T.-III) other system DTC.
Check the ETACS DTC (Refer to - Diagnosis, DIAGNOSTIC TROUBLE CODE CHART ).
Q: Is the DTC stored?
YES : Perform the relevant troubleshooting.
NO : Go to Step 4.
- STEP 4. ETACS-ECU coding data check
Using the scan tool (M.U.T.-III), check if there is the engine-related, transaxle-related, ASC-related abnormality to the coding data stored in the ETACS-ECU (Refer to - CODING LIST ).
Q: Is the check result normal?
YES : Go to Step 5.
NO : Repair the coding data or replace ETACS-ECU. Then go to Step 7.
- STEP 5. Check the part number of ETACS-ECU
Check the part number of ETACS-ECU.
Q: Is the check result normal?
YES : Go to Step 6.
NO : Replace the ETACS-ECU (Refer to - ETACS-ECU ), and then go to Step 6.
- STEP 6. Check whether the DTC is stored again.
Q: Is DTC No. C1707 stored?
YES : Replace the AWC-ECU (Refer to AWC-ECU <VEHICLES WITH S-AWC> ). Then go to Step 7.
NO : Intermittent malfunction. (Refer to - HOW TO COPE WITH INTERMITTENT MALFUNCTION ).
- STEP 7. Check whether the DTC is stored again.
Q: Is DTC No. C1707 stored?
YES : Return to Step 1.
NO : This diagnosis is complete.