Electronically Controlled Brake System

BRAKE CONTROL: ELECTRONICALLY CONTROLLED BRAKE SYSTEM: DIAGNOSTIC TROUBLE CODE CHART

DIAGNOSTIC TROUBLE CODE CHART
NOTE: When replacing the skid control ECU, sensor, etc., make sure that the power switch is turned off, the stop light switch is off, and 2 minutes have elapsed since the driver's door was closed.
HINT:
- If no abnormality is found when inspecting parts, inspect the skid control ECU and ground points for poor connections.
- If a trouble code is displayed during the DTC check, check the circuit indicated by the DTC. For details of each code, refer to the applicable Diagnostic Trouble Code Test.
- When 2 or more DTCs are detected, perform circuit inspections one by one until the problem is identified.
- Inspect the fuses and relays before inspecting the trouble areas as shown in the table below.

ABS DTC:













1. Drive the vehicle at a speed of 50 km/h (31 mph) and depress the brake pedal strongly for approximately 3 seconds.
2. Repeat the above operation 3 times or more and check that the ABS warning light goes off.
3. Clear the DTC.
HINT:
- In some cases, the Techstream cannot be used when the ABS warning light remains on.
- When U0073/94, U0123/62, U0124/95, U0126/63, or U0293/59 is output, start troubleshooting these DTCs first.

VSC DTC:





Electronically Controlled Brake System DTC:





























*1: These codes are displayed to indicate the ABS and electronically controlled brake system DTCs.

ABS Test Mode DTC:





VSC Test Mode DTC:





Electronically Controlled Brake System Test Mode DTC: