ABS w/ BA, TRAC & VSC System

DIAGNOSTIC TROUBLE CODE CHART

NOTE:
- When removing the part, turn the ignition switch OFF.
- When replacing steering angle, master cylinder pressure, deceleration sensors or/and the ECU, make sure to perform steering angle, master cylinder pressure, deceleration sensors zero point calibration. Component Tests and General Diagnostics
- Zero point calibration is needed not only when replacing the VSC related parts, but also when replacing or repairing the steering related parts and when changing the vehicle's straight ahead condition for toe adjustment.

HINT:
- Using SST 09843-18040, connect the terminals Tc and CG.
- If any abnormality is not found when inspecting parts, inspect the ECU.
- If a malfunction code is displayed during the DTC check, check the circuit listed for that code. For details of each code, refer to the respective "DTC No." under "Trouble Code Diagnostic Procedures".

Speed Sensor DTCs:

* Note Toyota doesn't offer diagnostic charts for these codes and only refers to trouble area.

DTC of VSC sensor check function:

DTC chart of ABS system:

1. Drive the vehicle at 20 kph (12 mph) for 30 seconds or more and check that the ABS warning light goes off.
2. Clear the DTC.

DTC chart of VSC system:

HINT:
There is a case that TOYOTA hand-held tester cannot be used when ABS warning light always ON.

DTC chart of translate ECU:

HINT: The BRAKE warning light does not turn on due to an error in VSC.
If it is on, check that the parking brake pedal is released, the brake fluid level is normal and no malfunction is identified in the fluid level warning switch system.