Problem Symptoms Table [05/2014 - ]

NOTE:

When replacing the skid control ECU (brake actuator assembly), sensors, etc., turn the ignition switch off.

HINT:

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Inspect the fuses and relays related to this system before inspecting the suspected areas below.

VEHICLE STABILITY CONTROL SYSTEM

Symptom	Suspected Area	See
ABS, BA and/or EBD does not operate	Check for DTCs again and make sure that normal system code is output	Refer to DTC CHECK / CLEAR [05/2014 - ]
	IG power source circuit (Low power supply voltage malfunction)	Refer to DTC C1241: Low Power Supply Voltage Malfunction [05/2014 - ]
	IG power source circuit (High power supply voltage malfunction)	Refer to DTC C1417: High Power Supply Voltage Malfunction [05/2014 - ]
	Front speed sensor circuit (Output malfunction)	Refer to DTC C1413: Front Speed Sensor RH Output Malfunction; DTC C1275: Abnormal Change in Output Signal of Front Speed Sensor RH (Test Mode DTC); DTC C1276: Abnormal Change in Output Signal of Front Speed Sensor LH (Test Mode DTC); DTC C1414: Front Speed Sensor LH Output Malfunction [05/2014 - ]
	Rear speed sensor circuit (Output malfunction)	Refer to DTC C1415: Rear Speed Sensor RH Output Malfunction; DTC C1277: Abnormal Change in Output Signal of Rear Speed Sensor RH (Test Mode DTC); DTC C1278: Abnormal Change in Output Signal of Rear Speed Sensor LH (Test Mode DTC); DTC C1416: Rear Speed Sensor LH Output Malfunction [05/2014 - ]
	Front speed sensor circuit (Open or short malfunction)	Refer to DTC C1405: Open or Short in Front Speed Sensor RH Circuit; DTC C1406: Open or Short in Front Speed Sensor LH Circuit [05/2014 - ]
	Rear speed sensor circuit (Open or short malfunction)	Refer to DTC C1407: Open or Short in Rear Speed Sensor RH Circuit; DTC C1408: Open or Short in Rear Speed Sensor LH Circuit [05/2014 - ]
	Front speed sensor circuit (Comparison malfunction)	Refer to DTC C1401: Front Speed Sensor RH Malfunction; DTC C1271: Low Output Signal of Front Speed Sensor RH (Test Mode DTC); DTC C1272: Low Output Signal of Front Speed Sensor LH (Test Mode DTC); DTC C1402: Front Speed Sensor LH Malfunction [05/2014 - ]
	Rear speed sensor circuit (Comparison malfunction)	Refer to DTC C1403: Rear Speed Sensor RH Malfunction; DTC C1273: Low Output Signal of Rear Speed Sensor RH (Test Mode DTC); DTC C1274: Low Output Signal of Rear Speed Sensor LH (Test Mode DTC); DTC C1404: Rear Speed Sensor LH Malfunction [05/2014 - ]
	Check skid control ECU (brake actuator assembly) using the Techstream (check skid control ECU (brake actuator assembly) operation using Active Test function). If abnormal, check hydraulic circuit for leaks.	Refer to ON-VEHICLE INSPECTION [05/2014 - ]
	If symptom still occurs even after circuits listed above have been inspected and proved to be normal, replace skid control ECU (brake actuator assembly)	Refer to REMOVAL [05/2014 - ]
ABS, BA and/or EBD does not operate efficiently	Check for DTCs again and make sure that normal system code is output	Refer to DTC CHECK / CLEAR [05/2014 - ]
	Front speed sensor circuit (Output malfunction)	Refer to DTC C1413: Front Speed Sensor RH Output Malfunction; DTC C1275: Abnormal Change in Output Signal of Front Speed Sensor RH (Test Mode DTC); DTC C1276: Abnormal Change in Output Signal of Front Speed Sensor LH (Test Mode DTC); DTC C1414: Front Speed Sensor LH Output Malfunction [05/2014 - ]
	Rear speed sensor circuit (Output malfunction)	Refer to DTC C1415: Rear Speed Sensor RH Output Malfunction; DTC C1277: Abnormal Change in Output Signal of Rear Speed Sensor RH (Test Mode DTC); DTC C1278: Abnormal Change in Output Signal of Rear Speed Sensor LH (Test Mode DTC); DTC C1416: Rear Speed Sensor LH Output Malfunction [05/2014 - ]
	Front speed sensor circuit (Open or short malfunction)	Refer to DTC C1405: Open or Short in Front Speed Sensor RH Circuit; DTC C1406: Open or Short in Front Speed Sensor LH Circuit [05/2014 - ]
	Rear speed sensor circuit (Open or short malfunction)	Refer to DTC C1407: Open or Short in Rear Speed Sensor RH Circuit; DTC C1408: Open or Short in Rear Speed Sensor LH Circuit [05/2014 - ]
	Front speed sensor circuit (Comparison malfunction)	Refer to DTC C1401: Front Speed Sensor RH Malfunction; DTC C1271: Low Output Signal of Front Speed Sensor RH (Test Mode DTC); DTC C1272: Low Output Signal of Front Speed Sensor LH (Test Mode DTC); DTC C1402: Front Speed Sensor LH Malfunction [05/2014 - ]
	Rear speed sensor circuit (Comparison malfunction)	Refer to DTC C1403: Rear Speed Sensor RH Malfunction; DTC C1273: Low Output Signal of Rear Speed Sensor RH (Test Mode DTC); DTC C1274: Low Output Signal of Rear Speed Sensor LH (Test Mode DTC); DTC C1404: Rear Speed Sensor LH Malfunction [05/2014 - ]
	Stop light switch circuit	Refer to DTC C1425: Open in Stop Light Switch Circuit [05/2014 - ]
	Check skid control ECU (brake actuator assembly) using the Techstream (check skid control ECU (brake actuator assembly) operation using Active Test function). If abnormal, check hydraulic circuit for leaks.	Refer to ON-VEHICLE INSPECTION [05/2014 - ]
	If symptom still occurs even after circuits listed above have been inspected and proved to be normal, replace skid control ECU (brake actuator assembly)	Refer to REMOVAL [05/2014 - ]
ABS sensor DTC check cannot be done	Check for DTCs again and make sure that normal system code is output	Refer to DTC CHECK / CLEAR [05/2014 - ]
	TC and CG terminal circuit	Refer to TC and CG Terminal Circuit [05/2014 - ]
	If symptom still occurs even after circuits listed above have been inspected and proved to be normal, replace skid control ECU (brake actuator assembly)	Refer to REMOVAL [05/2014 - ]
ABS warning light abnormal (Remains on)	ABS warning light circuit	Refer to ABS Warning Light Remains ON [05/2014 - ]
ABS warning light abnormal (Remains on)	Skid control ECU (Brake actuator assembly)	Refer to REMOVAL [05/2014 - ]
ABS warning light abnormal (Does not come on)	ABS warning light circuit	Refer to ABS Warning Light does not Come ON [05/2014 - ]
ABS warning light abnormal (Does not come on)	Skid control ECU (Brake actuator assembly)	Refer to REMOVAL [05/2014 - ]
BRAKE warning light abnormal (Remains on)	BRAKE warning light circuit	Refer to Brake Warning Light Remains ON [05/2014 - ]
BRAKE warning light abnormal (Remains on)	Skid control ECU (Brake actuator assembly)	Refer to REMOVAL [05/2014 - ]
BRAKE warning light abnormal (Does not come on)	BRAKE warning light circuit	Refer to Brake Warning Light does not Come ON [05/2014 - ]
BRAKE warning light abnormal (Does not come on)	Skid control ECU (Brake actuator assembly)	Refer to REMOVAL [05/2014 - ]
VSC and/or TRAC does not operate	Check for DTCs again and make sure that normal system code is output	Refer to DTC CHECK / CLEAR [05/2014 - ]
	IG power source circuit (Low power supply voltage malfunction)	Refer to DTC C1241: Low Power Supply Voltage Malfunction [05/2014 - ]
	IG power source circuit (High power supply voltage malfunction)	Refer to DTC C1417: High Power Supply Voltage Malfunction [05/2014 - ]
	Check hydraulic circuit for leaks	-
	Front speed sensor circuit (Output malfunction)	Refer to DTC C1413: Front Speed Sensor RH Output Malfunction; DTC C1275: Abnormal Change in Output Signal of Front Speed Sensor RH (Test Mode DTC); DTC C1276: Abnormal Change in Output Signal of Front Speed Sensor LH (Test Mode DTC); DTC C1414: Front Speed Sensor LH Output Malfunction [05/2014 - ]
	Rear speed sensor circuit (Output malfunction)	Refer to DTC C1415: Rear Speed Sensor RH Output Malfunction; DTC C1277: Abnormal Change in Output Signal of Rear Speed Sensor RH (Test Mode DTC); DTC C1278: Abnormal Change in Output Signal of Rear Speed Sensor LH (Test Mode DTC); DTC C1416: Rear Speed Sensor LH Output Malfunction [05/2014 - ]
	Front speed sensor circuit (Open or short malfunction)	Refer to DTC C1405: Open or Short in Front Speed Sensor RH Circuit; DTC C1406: Open or Short in Front Speed Sensor LH Circuit [05/2014 - ]
	Rear speed sensor circuit (Open or short malfunction)	Refer to DTC C1407: Open or Short in Rear Speed Sensor RH Circuit; DTC C1408: Open or Short in Rear Speed Sensor LH Circuit [05/2014 - ]
	Front speed sensor circuit (Comparison malfunction)	Refer to DTC C1401: Front Speed Sensor RH Malfunction; DTC C1271: Low Output Signal of Front Speed Sensor RH (Test Mode DTC); DTC C1272: Low Output Signal of Front Speed Sensor LH (Test Mode DTC); DTC C1402: Front Speed Sensor LH Malfunction [05/2014 - ]
	Rear speed sensor circuit (Comparison malfunction)	Refer to DTC C1403: Rear Speed Sensor RH Malfunction; DTC C1273: Low Output Signal of Rear Speed Sensor RH (Test Mode DTC); DTC C1274: Low Output Signal of Rear Speed Sensor LH (Test Mode DTC); DTC C1404: Rear Speed Sensor LH Malfunction [05/2014 - ]
	Yaw rate and acceleration sensor (Center airbag sensor assembly) circuit (Zero point malfunction)	Refer to DTC C1210: Zero Point Calibration of Yaw Rate Sensor Undone; DTC C1336: Zero Point Calibration of Acceleration Sensor Undone [05/2014 - ]
	Yaw rate and acceleration sensor (Center airbag sensor assembly) circuit (Power supply malfunction)	Refer to DTC C1381: Acceleration Sensor Power Supply Voltage Malfunction [05/2014 - ]
	Yaw rate sensor (Center airbag sensor assembly) circuit (Comparison malfunction)	Refer to DTC C1436: Yaw Rate Sensor Malfunction [05/2014 - ]
	Yaw rate and acceleration sensor (Center airbag sensor assembly) circuit (Stuck or output malfunction)	Refer to DTC C1232: Acceleration Sensor Stuck Malfunction; DTC C1243: Acceleration Sensor Stuck Malfunction; DTC C1245: Acceleration Sensor Output Malfunction; DTC C1279: Acceleration Sensor Output Voltage Malfunction (Test Mode DTC) [05/2014 - ]
	Yaw rate and acceleration sensor (Center airbag sensor assembly) circuit (Internal malfunction)	Refer to DTC C1419: Acceleration Sensor Internal Circuit; DTC C1435: Yaw Rate Sensor Internal Circuit [05/2014 - ]
	Steering angle sensor (Spiral with sensor cable sub-assembly) circuit (Zero point malfunction)	Refer to DTC C1290: Steering Angle Sensor Zero Point Malfunction [05/2014 - ]
	Steering angle sensor (Spiral with sensor cable sub-assembly) circuit (Power supply malfunction)	Refer to DTC C1432: Steering Angle Sensor Power Source Voltage Malfunction [05/2014 - ]
	Steering angle sensor (Spiral with sensor cable sub-assembly) circuit (Output malfunction)	Refer to DTC C1434: Steering Angle Sensor Output Malfunction [05/2014 - ]
	Steering angle sensor (Spiral with sensor cable sub-assembly) circuit (Internal malfunction)	Refer to DTC C1433: Steering Angle Sensor Internal Circuit [05/2014 - ]
	If symptom still occurs even after circuits listed above have been inspected and proved to be normal, replace skid control ECU (brake actuator assembly)	Refer to REMOVAL [05/2014 - ]
VSC sensor DTC check cannot be done	Check for DTCs again and make sure that normal system code is output	Refer to DTC CHECK / CLEAR [05/2014 - ]
	TC and CG terminal circuit	Refer to TC and CG Terminal Circuit [05/2014 - ]
	If symptom still occurs even after circuits listed above have been inspected and proved to be normal, replace skid control ECU (brake actuator assembly)	Refer to REMOVAL [05/2014 - ]
VSC OFF indicator light abnormal (Remains on)	VSC OFF indicator light circuit	Refer to VSC OFF Indicator Light Remains ON [05/2014 - ]
VSC OFF indicator light abnormal (Remains on)	Skid control ECU (Brake actuator assembly)	Refer to REMOVAL [05/2014 - ]
VSC OFF indicator light abnormal (Does not come on)	VSC OFF indicator light circuit	Refer to VSC OFF Indicator Light does not Come ON [05/2014 - ]
VSC OFF indicator light abnormal (Does not come on)	Skid control ECU (Brake actuator assembly)	Refer to REMOVAL [05/2014 - ]
TRAC OFF indicator light abnormal (Remains on)	TRAC OFF indicator light circuit	Refer to TRAC OFF Indicator Light Remains ON [05/2014 - ]
TRAC OFF indicator light abnormal (Remains on)	Skid control ECU (Brake actuator assembly)	Refer to REMOVAL [05/2014 - ]
TRAC OFF indicator light abnormal (Does not come on)	TRAC OFF indicator light circuit	Refer to TRAC OFF Indicator Light does not Come ON [05/2014 - ]
TRAC OFF indicator light abnormal (Does not come on)	Skid control ECU (Brake actuator assembly)	Refer to REMOVAL [05/2014 - ]
Slip indicator light abnormal (Remains on)	Slip indicator light circuit	Refer to Slip Indicator Light Remains ON [05/2014 - ]
Slip indicator light abnormal (Remains on)	Skid control ECU (Brake actuator assembly)	Refer to REMOVAL [05/2014 - ]
Slip indicator light abnormal (Does not come on)	Slip indicator light circuit	Refer to Slip Indicator Light does not Come ON [05/2014 - ]
Slip indicator light abnormal (Does not come on)	Skid control ECU (Brake actuator assembly)	Refer to REMOVAL [05/2014 - ]
Sensor check cannot be done	TS and CG terminal circuit	Refer to TS and CG Terminal Circuit [05/2014 - ]
Sensor check cannot be done	Skid control ECU (Brake actuator assembly)	Refer to REMOVAL [05/2014 - ]