Circuit Description

Diagnostic Trouble Code (DTC) is set when TRAC system is not functioning, ABS DTCs are output but TRAC DTCs are not output for one second or more. DTC is set when open or short exists in ABS solenoid relay circuit, ABS motor relay circuit, ABS solenoid circuit or TRAC solenoid circuit.

DTC is set when ABS/TRAC ECU detects high or low voltage at terminal No. 8 (Black/Red wire) at A19 connector. Speed sensor is malfunctioning. Pump motor is locked. Possible cause is ABS control system.