ABS

DTC C2111: Sensor Power Supply Circuit (Low input)
DTC C2112: Sensor Power Supply Circuit (High input)

CAUTION: If there is any problem in the CAN bus lines, an incorrect diagnostic trouble code may be set. Prior to this diagnosis, diagnose the CAN bus lines.

CIRCUIT OPERATION
The G sensor is incorporated in the ABS-ECU.

DTC SET CONDITIONS
This diagnostic trouble code is set when the voltage applied to the pressure sensor is not within the standard value range.

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 3.
NO: Repair the CAN bus lines. On completion, go to Step 2.

STEP 2. Diagnostic trouble code recheck after resetting CAN bus lines
Q: Are DTCs C2111 and C2112 set?
YES: Go to Step 3.
NO: The procedure is complete.

STEP 3. Battery check
Q: Is the battery in good condition?
YES: Go to Step 4.
NO: Charge or replace the battery.

STEP 4. Charging system check
Q: Is the charging system in good condition?
YES: Go to Step 5.
NO: Repair or replace the charging system component(s).

STEP 5. Check whether the diagnostic trouble code is reset.
Q: Are DTCs C2111 and C2112 set?
YES: Replace the ABS-ECU.
NO: The procedure is complete.