Problem Symptoms Table

If a normal system code is displayed during the DTC check but 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 page.

NOTE: When replacing the brake actuator assembly or sensor, turn the ignition switch off.

ANTI-LOCK BRAKE SYSTEM

ANTI-LOCK BRAKE SYSTEM - PROBLEM SYMPTOMS CHART

Symptom	Suspected Area	See
ABS does not operate	When the following 1. to 5. are all normal and the problem still occurs, replace the brake actuator assembly.	BRAKE ACTUATOR
	1. Check the DTC reconfirming that the normal code is output.	DTC CHECK/CLEAR
	2. IG power source circuit	DTC C1241/41 LOW BATTERY POSITIVE VOLTAGE
	3. Front speed sensor circuit	DTC C0200/31 FRONT SPEED SENSOR RH CIRCUIT; DTC C0205/32 FRONT SPEED SENSOR LH CIRCUIT; DTC C1235/35 FOREIGN OBJECT IS ATTACHED ON TIP OF FRONT SPEED SENSOR RH; DTC C1236/36 FOREIGN OBJECT IS ATTACHED ON TIP OF FRONT SPEED SENSOR LH; DTC C1271/71 LOW OUTPUT SIGNAL OF FRONT SPEED SENSOR RH (TEST MODE DTC); DTC C1272/72 LOW OUTPUT SIGNAL OF FRONT SPEED SENSOR LH (TEST MODE DTC); DTC C1275/75 ABNORMAL CHANGE IN OUTPUT SIGNAL OF FRONT SPEED SENSOR RH (TEST MODE DTC); DTC C1276/76 ABNORMAL CHANGE IN OUTPUT SIGNAL OF FRONT SPEED SENSOR LH (TEST MODE DTC)
	4. Rear speed sensor circuit	DTC C0210/33 REAR SPEED SENSOR RH CIRCUIT; DTC C0215/34 REAR SPEED SENSOR LH CIRCUIT; DTC C1238/38 FOREIGN OBJECT IS ATTACHED ON TIP OF REAR SPEED SENSOR RH; DTC C1239/39 FOREIGN OBJECT IS ATTACHED ON TIP OF REAR SPEED SENSOR LH; DTC C1273/73 LOW OUTPUT SIGNAL OF REAR SPEED SENSOR RH (TEST MODE DTC); DTC C1274/74 LOW OUTPUT SIGNAL OF REAR SPEED SENSOR LH (TEST MODE DTC); DTC C1277/77 ABNORMAL CHANGE IN OUTPUT SIGNAL OF REAR SPEED SENSOR RH (TEST MODE DTC); DTC C1278/78 ABNORMAL CHANGE IN OUTPUT SIGNAL OF REAR SPEED SENSOR LH (TEST MODE DTC)
	5. Check the brake actuator with Techstream	BRAKE ACTUATOR
	If abnormal, check the hydraulic circuit for leakage.	-
ABS does not operate efficiently	When the following 1. to 5. are all normal and the problem still occurs, replace the brake actuator assembly.	BRAKE ACTUATOR
	1. Check the DTC reconfirming that the normal code is output.	DTC CHECK/CLEAR
	2. Front speed sensor circuit	DTC C0200/31 FRONT SPEED SENSOR RH CIRCUIT; DTC C0205/32 FRONT SPEED SENSOR LH CIRCUIT; DTC C1235/35 FOREIGN OBJECT IS ATTACHED ON TIP OF FRONT SPEED SENSOR RH; DTC C1236/36 FOREIGN OBJECT IS ATTACHED ON TIP OF FRONT SPEED SENSOR LH; DTC C1271/71 LOW OUTPUT SIGNAL OF FRONT SPEED SENSOR RH (TEST MODE DTC); DTC C1272/72 LOW OUTPUT SIGNAL OF FRONT SPEED SENSOR LH (TEST MODE DTC); DTC C1275/75 ABNORMAL CHANGE IN OUTPUT SIGNAL OF FRONT SPEED SENSOR RH (TEST MODE DTC); DTC C1276/76 ABNORMAL CHANGE IN OUTPUT SIGNAL OF FRONT SPEED SENSOR LH (TEST MODE DTC)
	3. Rear speed sensor circuit	DTC C0210/33 REAR SPEED SENSOR RH CIRCUIT; DTC C0215/34 REAR SPEED SENSOR LH CIRCUIT; DTC C1238/38 FOREIGN OBJECT IS ATTACHED ON TIP OF REAR SPEED SENSOR RH; DTC C1239/39 FOREIGN OBJECT IS ATTACHED ON TIP OF REAR SPEED SENSOR LH; DTC C1273/73 LOW OUTPUT SIGNAL OF REAR SPEED SENSOR RH (TEST MODE DTC); DTC C1274/74 LOW OUTPUT SIGNAL OF REAR SPEED SENSOR LH (TEST MODE DTC); DTC C1277/77 ABNORMAL CHANGE IN OUTPUT SIGNAL OF REAR SPEED SENSOR RH (TEST MODE DTC); DTC C1278/78 ABNORMAL CHANGE IN OUTPUT SIGNAL OF REAR SPEED SENSOR LH (TEST MODE DTC)
	4. Stop light switch circuit	DTC C1249/49 OPEN IN STOP LIGHT SWITCH CIRCUIT
	5. Check the brake actuator with Techstream	BRAKE ACTUATOR
	If abnormal, check the hydraulic circuit for leakage.	-
ABS warning light abnormality	1. ABS warning light circuit (Remains on)	ABS WARNING LIGHT REMAINS ON
	2. ABS warning light circuit (Does not come on)	ABS WARNING LIGHT DOES NOT COME ON
	3. Skid control ECU (brake actuator assembly)	BRAKE ACTUATOR
DTC check cannot be done	When the following 1. and 3. are all normal and the problem still occurs, replace the brake actuator assembly.	BRAKE ACTUATOR
	1. ABS warning light circuit (Remains on)	ABS WARNING LIGHT REMAINS ON
	2. ABS warning light circuit (Does not come on)	ABS WARNING LIGHT DOES NOT COME ON
	3. TC and CG terminal circuit	TC AND CG TERMINAL CIRCUIT
Speed sensor signal check cannot be done	1. Skid control ECU (brake actuator assembly)	BRAKE ACTUATOR