Dtc C1223/43 Abs Control System Malfunction

Lexus IS250 IS220d GSE20 ALE20 - BRAKE CONTROL

DESCRIPTION

INSPECTION PROCEDURE

CHECK ABS CONTROL SYSTEM

RECONFIRM DTC

DTC C1223/43 ABS Control System Malfunction

DESCRIPTION

This DTC is output when the VSC system detects a malfunction in the ABS control system.

DTC No.DTC Detection ConditionTrouble Area
C1223/43Malfunction in the ABS control system.ABS control system

INSPECTION PROCEDURE

  • NOTICE:
  • When replacing the skid control ECU, perform zero point calibration and store system information .
1.CHECK ABS CONTROL SYSTEM

Clear the DTC .

Turn the engine switch on (IG).

Check if the same DTC is recorded .

  • Result:
  • ConditionProceed to
    DTC (ABS control system DTC) is not outputA
    DTC (ABS control system DTC) is outputB
B
REPAIR CIRCUIT INDICATED BY OUTPUT DTC
A
2.RECONFIRM DTC

Clear the DTC .

Turn the engine switch on (IG).

Check if the same DTC is recorded .

  • Result:
  • ConditionProceed to
    DTC (C1223/43) is not outputA
    DTC (C1223/43) is outputB
B
REPLACE SKID CONTROL ECU
A
USE SIMULATION METHOD TO CHECK