ABS (Antilock Brake System)

DTC C1243 Malfunction In Deceleration Sensor

CIRCUIT DESCRIPTION
Fail safe function:
If trouble occurs in the deceleration sensor circuit, the ECU cuts off current to the ABS solenoid relay and prohibits ABS & TRAC & VSC controls and the brake system becomes normal.





DETECTING CONDITIONS

Step 1:

Step 2:

Step 3:

INSPECTION PROCEDURE

HINT: Start the inspection from step 1 in case of using the LEXUS hand-held tester arid start from step 2 in case of not using the LEXUS hand-held tester.