ABS

DTC C2111 G sensor Power Supply Circuit (Low input)

DTC C2112 G sensor Power Supply Circuit (High input)

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

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 G 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

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 the DTCs C2111 or C2112 set?
YES: Go to Step 3.
NO: This diagnosis is complete.

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

STEP 4. Charging system check
Refer to Charging System.
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 the DTCs C2111 or C2112 set?
YES: Replace the ABS-ECU.
NO: This diagnosis is complete.