Problem Symptoms Table

If a normal code is displayed during the DTC check although the problem still occurs, check the circuits for each problem symptom in the order given in the table below and proceed to the relevant troubleshooting link.

NOTE: When replacing the skid control ECU, sensor, etc., turn the ignition switch OFF.

PROBLEM SYMPTOMS TABLE

Symptom	Suspected Area	Proceed To
ABS does not operate	Only when 1 to 4 are all normal but problem still occurs, replace skid control ECU
	1. Check DTC reconfirming that normal code is output	DTC CHECK/CLEAR
	2. IG power source circuit and ground circuit	DTC C1241/41 LOW BATTERY POSITIVE VOLTAGE
	3. Speed sensor circuit	DTC C0200/31 RIGHT FRONT SPEED SENSOR CIRCUIT; DTC C0205/32 LEFT FRONT SPEED SENSOR CIRCUIT; DTC C1235/35 FOREIGN MATTER IS ATTACHED ON TIP OF RIGHT FRONT SENSOR; DTC C1236/36 FOREIGN MATTER IS ATTACHED ON TIP OF LEFT FRONT SENSOR
		DTC C0210/33 RIGHT REAR SPEED SENSOR CIRCUIT; DTC C0215/34 LEFT REAR SPEED SENSOR CIRCUIT; DTC C1238/38 FOREIGN MATTER IS ATTACHED ON TIP OF RIGHT REAR SENSOR; DTC C1239/39 FOREIGN MATTER IS ATTACHED ON TIP OF LEFT REAR SENSOR
	4. Check brake actuator with a hand-held tester If abnormal, check hydraulic circuit for leakage	BRAKE ACTUATOR ASSY (W/O VSC)
ABS does not operate efficiently	Only when 1 to 5 are all normal but problem still occurs, replace skid control ECU
	1. Check DTC reconfirming that normal code is output	DTC CHECK/CLEAR
	2. IG power source circuit and ground circuit	DTC C1241/41 LOW BATTERY POSITIVE VOLTAGE
	3. Speed sensor circuit	DTC C0200/31 RIGHT FRONT SPEED SENSOR CIRCUIT; DTC C0205/32 LEFT FRONT SPEED SENSOR CIRCUIT; DTC C1235/35 FOREIGN MATTER IS ATTACHED ON TIP OF RIGHT FRONT SENSOR; DTC C1236/36 FOREIGN MATTER IS ATTACHED ON TIP OF LEFT FRONT SENSOR
		DTC C0210/33 RIGHT REAR SPEED SENSOR CIRCUIT; DTC C0215/34 LEFT REAR SPEED SENSOR CIRCUIT; DTC C1238/38 FOREIGN MATTER IS ATTACHED ON TIP OF RIGHT REAR SENSOR; DTC C1239/39 FOREIGN MATTER IS ATTACHED ON TIP OF LEFT REAR SENSOR
	4. Stop lamp switch circuit	DTC C1249/49 OPEN CIRCUIT IN STOP LIGHT SWITCH CIRCUIT
	5. Check brake actuator with a hand-held tester If abnormal, check hydraulic circuit for leakage	BRAKE ACTUATOR ASSY (W/O VSC)
ABS warning light is abnormal	1. ABS warning light circuit	ABS WARNING LIGHT CIRCUIT (REMAINS ON)
ABS warning light is abnormal	2. Skid control ECU	ABS WARNING LIGHT CIRCUIT (DOES NOT LIGHT UP)
Brake warning light is abnormal	1. Brake warning light circuit	BRAKE WARNING LIGHT CIRCUIT
Brake warning light is abnormal	2. Skid control ECU
DTC check cannot be done	Only when both 1 and 2 are normal and problem still occurs, replace skid control ECU
	1. ABS warning light circuit	ABS WARNING LIGHT CIRCUIT (REMAINS ON)
		ABS WARNING LIGHT CIRCUIT (DOES NOT LIGHT UP)
	2. Tc terminal circuit	TC TERMINAL CIRCUIT
Speed sensor signal check is impossible	1. Ts terminal circuit	TS TERMINAL CIRCUIT
Speed sensor signal check is impossible	2. Skid control ECU