ABS Diagnosis System

DTC chart of ABS system

C0278/11 - C1243/43:

C1244/44 - C1269/69, Always ON:

*1: As the DTC cannot be erased by replacing parts alone do either of the following operations.

1. Clear DTC
2. At the vehicle speed of 20 kph (12 mph), drive the vehicle for 30 sec. or more.




*2: Using the above table, troubled parts can be specified.

NOTE: When removing the part, turn the ignition switch OFF.

HINT:
- Using SST 0984-1 8020, connect the terminals Tc and E1 of DLC1.
- 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 that code.

DTC chart of VSC system

C1231/31 - C1203/53, Always ON:

HINT: There is a case that LEXUS hand-held tester cannot be used when VSC TRAC warning light is always on.