ABS

DTC C2200: Abnormality in ABS-ECU

CAUTION
^ If there is any problem in the CAN bus lines, an incorrect DTC may be set. Prior to this diagnosis, diagnose the CAN bus lines.
^ Whenever ECU is replaced, ensure that the CAN bus lines are normal.

OPERATION
ABS-ECU controls ABS by calculating the data sent from the wheel speed sensor and the G sensor.

DTC SET CONDITIONS
This DTC is set when ABS-ECU has malfunction.

PROBABLE CAUSES
ABS-ECU malfunction

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. M.U.T.-III CAN bus diagnostics
Use scan tool to diagnose the CAN bus lines.

Q: Is the check result normal?
YES: Go to Step 2.
NO: Repair the CAN bus lines. On completion, go to Step 2.

STEP 2. DTC recheck after resetting CAN bus lines

Q: Is DTC C2200 set?
YES: Replace the hydraulic unit (ABS-ECU). Then go to Step 3.
NO: Intermittent malfunction.

STEP 3. DTC recheck after resetting CAN bus lines

Q: Is DTC C2200 set?
YES: Return to Step 1.
NO: The procedure is complete.