DTC C2206: Re-execution of variant coding: Diagnosis

Required Special Tools:

MB991958: Scan Tool (M.U.T.-III Sub Assembly)
- MB991824: Vehicle Communication Interface (V.C.I.)
- MB991827: M.U.T.-III USB Cable
- MB991910: M.U.T.-III Main Harness A

STEP 1. Using scan tool MB991958, diagnose the CAN bus lines.
Use scan tool to diagnose the CAN bus lines.

Q: Is the check result normal?
1. YES: Go to Step 2.
2. NO: Repair the CAN bus lines. (Refer to CAN BUS DIAGNOSTICS TABLE . On completion, go to Step 7.
STEP 2. Using scan tool MB991958, diagnostic trouble code
Check that the diagnostic trouble code U1415 or U1417 is set in ASC-ECU.

Q: Is DTC U1415 or U1417 set?
1. YES: Troubleshoot for the relevant diagnostic trouble code (Refer to DIAGNOSTIC TROUBLE CODE CHART .
2. NO: Go to Step 3.
STEP 3. Using scan tool MB991958, diagnostic trouble code of other systems
Use scan tool to check that the vehicles information-related DTC is set by the ETACS-ECU.

Q: Is any DTC set?
1. YES: Troubleshoot the relevant diagnostic trouble code, and then go to Step 7.
2. NO: Go to Step 4.
STEP 4. ETACS-ECU coding data check
Refer to PRECAUTIONS BEFORE SERVICE/CODING LIST .

Q: Is the check result normal?
1. YES: Go to Step 6.
2. NO: Go to Step 5.
STEP 5. ETACS-ECU variant coding
Perform the variant coding to the ETACS-ECU.

Q: Dose variant coding succeed?
1. YES: Go to Step 7.
2. NO: Replace the ETACS-ECU (Refer to ETACS-ECU . and then go to Step 7.
STEP 6. Check whether the diagnostic trouble code is reset.
1. Erase the DTC.
2. Ignition switch: "LOCK" (OFF) position
3. Ignition switch: "ON" position
  Q: Is DTC C2206 set?
  1. YES: Replace the hydraulic unit (integrated with ASC-ECU) (Refer to HYDRAULIC UNIT . and then go to Step 7.
  2. NO: The procedure is complete.
STEP 7. Check whether the diagnostic trouble code is reset.
1. Erase the DTC.
2. Ignition switch: "LOCK" (OFF) position
3. Ignition switch: "ON" position
  Q: Is DTC C2206 set?
  1. YES: Return to Step 1.
  2. NO: The procedure is complete.