Code No.C1707: Implausible coding data: Diagnosis

STEP 1. Scan tool (M.U.T.-III) CAN bus diagnostics
Use scan tool (M.U.T.-III) to diagnose the CAN bus lines.

Q: Is the check result normal?
1. YES: Go to Step 3.
2. NO: Repair the CAN bus lines (Refer to CAN BUS DIAGNOSTICS TABLE ). On completion, go to Step 2.
STEP 2. DTC recheck after resetting CAN bus lines
Q: Is DTC No.C1707 stored?
1. YES: Go to Step 3.
2. NO: This diagnosis is complete.
STEP 3. Scan tool (M.U.T.-III) other system DTC
Use scan tool (M.U.T.-III) to check whether any coding-related DTC is stored in ETACS-ECU or engine control module.

Q: Is the DTC stored?
1. YES: Troubleshoot for the relevant DTC.
2. NO: Go to Step 4.
STEP 4. Check part number of ASC-ECU
Check the part number of ASC-ECU.

Q: Is the check result normal?
1. YES: Go to Step 5.
2. NO: Replace the hydraulic unit (integrated with ASC-ECU) (Refer to HYDRAULIC UNIT ). Then go to Step 9.
STEP 5. ETACS-ECU coding data check
Refer to CODING LIST .

Q: Is the check result normal?
1. YES: Go to Step 6.
2. NO: Replace the ETACS-ECU (Refer to ETACS-ECU ).
STEP 6. Check part number of ETACS-ECU
Check the part number of ETACS-ECU.

Q: Is the check result normal?
1. YES: Go to Step 7.
2. NO: Replace the ETACS-ECU (Refer to ETACS-ECU ).
STEP 7. Engine control module coding data check
Refer to CODING LIST .

Q: Is the check result normal?
1. YES: Go to Step 8.
2. NO: Replace the engine ECU (Refer to ENGINE CONTROL MODULE < 2.4L ENGINE >, ENGINE CONTROL MODULE < 3.0L ENGINE >, and then go to Step 8.
STEP 8. Check whether the DTC is stored again.
Erase the DTC.

Q: Is DTC No.C1707 stored?
1. YES: Replace the hydraulic unit (integrated with ASC-ECU) (Refer to HYDRAULIC UNIT ). Then go to Step 9.
2. NO: The trouble can be an intermittent malfunction (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTIONS ).
STEP 9. Check whether the DTC is stored again.
Erase the DTC.

Q: Is DTC No.C1707 stored?
1. YES: Return to Step 1.
2. NO: This diagnosis is complete.