Dtc C120A Ecu Initial Setting Incomplete

Brake. Land Cruiser. Urj200, 202 Grj200 Vdj200
Brake Control Dynamic Control Systems. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

INSPECTION PROCEDURE

PERFORM CALIBRATION

CHECK DTC

DTC C120A ECU Initial Setting Incomplete


DESCRIPTION

After replacing the skid control ECU (master cylinder solenoid) or clearing the system information stored in the skid control ECU (master cylinder solenoid), the system information must be stored in the skid control ECU (master cylinder solenoid) again. The system information is automatically stored in the skid control ECU (master cylinder solenoid) when the system enters test mode. If the system information is not stored in the skid control ECU (master cylinder solenoid), DTC C120A is stored.

DTC Code
DTC Detection Condition
Trouble Area
C120A
The system information is not stored in the skid control ECU.
  1. Calibration not performed
  2. Skid control ECU (Master cylinder solenoid)

INSPECTION PROCEDURE

NOTICE:
After replacing the master cylinder solenoid, perform zero point calibration and store the system information (Click here).
1.PERFORM CALIBRATION

  1. Perform calibration (Click here).

    NOTICE:
    If a DTC is output after replacing the master cylinder solenoid, it is possible that calibration has not been performed or the zero point calibration data was not cleared when calibration was performed.

NEXT


2.CHECK DTC

  1. Check for DTCs (Click here).

    Result
    Result
    		Proceed to
    DTC is not output
    		A
    DTC is output (for LHD)
    		B
    DTC is output (for RHD)
    		C



B
REPLACE MASTER CYLINDER SOLENOID (Click here)

C
REPLACE MASTER CYLINDER SOLENOID (Click here)
A

CHECK FOR INTERMITTENT PROBLEMS (Click here)