Problem Symptoms Table [06/2016 - ]
If there are no DTCs output and the problem still occurs, check the suspected areas for each problem symptom in the order given in the following table and proceed to the relevant troubleshooting information.
NOTE:
When replacing the 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 DTCs are not output. | Refer to DTC CHECK / CLEAR [06/2016 - ] |
| Power source circuit | Refer to DTC C1241: Low or High Power Supply Voltage [06/2016 - ] | |
| Front speed sensor circuit | Refer to 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 C1330: Open in Front Speed Sensor RH; DTC C1331: Open in Front Speed Sensor LH; DTC C1464: Front Speed Sensor RH; DTC C1465: Front Speed Sensor LH [06/2016 - ] | |
| Rear speed sensor circuit | Refer to 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 C1332: Open in Rear Speed Sensor RH; DTC C1333: Open in Rear Speed Sensor LH; DTC C1466: Rear Speed Sensor RH; DTC C1467: Rear Speed Sensor LH [06/2016 - ] | |
| Check the brake actuator assembly using the Techstream. (Check brake actuator assembly operation using the Active Test function.) If abnormal, check the hydraulic circuit for leaks. | Refer to DATA LIST / ACTIVE TEST [06/2016 - ] | |
| If the symptoms still occur even after the above suspected areas have been inspected and proved to be normal, replace the brake actuator assembly. | Refer to REMOVAL [06/2016 - ] | |
| ABS, BA and/or EBD does not operate efficiently. | Check for DTCs again and make sure that DTCs are not output. | Refer to DTC CHECK / CLEAR [06/2016 - ] |
| Front speed sensor circuit | Refer to 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 C1330: Open in Front Speed Sensor RH; DTC C1331: Open in Front Speed Sensor LH; DTC C1464: Front Speed Sensor RH; DTC C1465: Front Speed Sensor LH [06/2016 - ] | |
| Rear speed sensor circuit | Refer to 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 C1332: Open in Rear Speed Sensor RH; DTC C1333: Open in Rear Speed Sensor LH; DTC C1466: Rear Speed Sensor RH; DTC C1467: Rear Speed Sensor LH [06/2016 - ] | |
| Stop light switch circuit | Refer to DTC C1249: Open in Stop Light Switch Circuit [06/2016 - ] | |
| Check the brake actuator assembly using the Techstream. (Check brake actuator assembly operation using the Active Test function.) If abnormal, check the hydraulic circuit for leaks. | Refer to DATA LIST / ACTIVE TEST [06/2016 - ] | |
| If the symptoms still occur even after the above suspected areas have been inspected and proved to be normal, replace the brake actuator assembly. | Refer to REMOVAL [06/2016 - ] | |
| ABS sensor DTC check cannot be done. | Check for DTCs again and make sure that DTCs are not output. | Refer to DTC CHECK / CLEAR [06/2016 - ] |
| Check CAN communication system. | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2016 - 03/2017] Refer to HOW TO PROCEED WITH TROUBLESHOOTING [03/2017 - ] | |
| If the symptoms still occur even after the above suspected areas has been inspected and proved to be normal, replace the skid control ECU. | Refer to REMOVAL [06/2016 - ] | |
| ABS warning light abnormal (Remains on). | ABS warning light circuit | Refer to ABS Warning Light Remains ON [06/2016 - ] |
| Skid control ECU | Refer to REMOVAL [06/2016 - ] | |
| ABS warning light abnormal (Does not come on). | ABS warning light circuit | Refer to ABS Warning Light does not Come ON [06/2016 - ] |
| Skid control ECU | Refer to REMOVAL [06/2016 - ] | |
| Brake warning light abnormal (Remains on). | Brake warning light circuit | Refer to Brake Warning Light Remains ON [06/2016 - ] |
| Skid control ECU | Refer to REMOVAL [06/2016 - ] | |
| Brake warning light abnormal (Does not come on). | Brake warning light circuit | Refer to Brake Warning Light does not Come ON [06/2016 - ] |
| Skid control ECU | Refer to REMOVAL [06/2016 - ] | |
| VSC and/or TR(A)C does not operate. | Check for DTCs again and make sure that DTCs are not output. | Refer to DTC CHECK / CLEAR [06/2016 - ] |
| Check the engine control system. | Refer to DTC C1201: Engine Control System Malfunction [06/2016 - ] | |
| Check the automatic transmission control system. | Refer to DTC C1294: ECT System Malfunction [06/2016 - ] | |
| Power source circuit | Refer to DTC C1241: Low or High Power Supply Voltage [06/2016 - ] | |
| Check the hydraulic circuit for leaks. | - | |
| Front speed sensor circuit | Refer to 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 C1330: Open in Front Speed Sensor RH; DTC C1331: Open in Front Speed Sensor LH; DTC C1464: Front Speed Sensor RH; DTC C1465: Front Speed Sensor LH [06/2016 - ] | |
| Rear speed sensor circuit | Refer to 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 C1332: Open in Rear Speed Sensor RH; DTC C1333: Open in Rear Speed Sensor LH; DTC C1466: Rear Speed Sensor RH; DTC C1467: Rear Speed Sensor LH [06/2016 - ] | |
| Steering sensor circuit | Refer to DTC C1231: Steering Angle Sensor [06/2016 - ] | |
| Replace the ECM. | Refer to REMOVAL [06/2016 - ] | |
| If the symptoms still occur even after the above suspected areas have been inspected and proved to be normal, replace the brake actuator assembly. | Refer to REMOVAL [06/2016 - ] | |
| VSC sensor DTC check cannot be done. | Check for DTCs again and make sure that DTCs are not output. | Refer to DTC CHECK / CLEAR [06/2016 - ] |
| Check CAN communication system. | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2016 - 03/2017] Refer to HOW TO PROCEED WITH TROUBLESHOOTING [03/2017 - ] | |
| If the symptoms still occur even after the above suspected areas has been inspected and proved to be normal, replace the skid control ECU. | Refer to REMOVAL [06/2016 - ] | |
| TR(A)C OFF indicator light abnormal (Remains on). | TR(A)C OFF indicator light circuit | Refer to TRAC OFF Indicator Light Remains ON [06/2016 - ] |
| Skid control ECU | Refer to REMOVAL [06/2016 - ] | |
| TR(A)C OFF indicator light abnormal (Does not come on). | TR(A)C OFF indicator light circuit | Refer to TRAC OFF Indicator Light does not Come ON [06/2016 - ] |
| Skid control ECU | Refer to REMOVAL [06/2016 - ] | |
| VSC OFF indicator light abnormal (Remains on). | VSC OFF indicator light circuit | Refer to VSC OFF Indicator Light Remains ON [06/2016 - ] |
| Skid control ECU | Refer to REMOVAL [06/2016 - ] | |
| VSC OFF indicator light abnormal (Does not come on). | VSC OFF indicator light circuit | Refer to VSC OFF Indicator Light does not Come ON [06/2016 - ] |
| Skid control ECU | Refer to REMOVAL [06/2016 - ] | |
| TRACK indicator light abnormal (Remains on). | TRACK indicator light circuit | Refer to TRACK Indicator Light Remains ON [06/2016 - ] |
| Skid control ECU | Refer to REMOVAL [06/2016 - ] | |
| TRACK indicator light abnormal (Does not come on). | TRACK indicator light circuit | Refer to TRACK Indicator Light does not Come ON [06/2016 - ] |
| Skid control ECU | Refer to REMOVAL [06/2016 - ] | |
| Slip indicator light abnormal (Remains on). | Slip indicator light circuit | Refer to Slip Indicator Light Remains ON [06/2016 - ] |
| Skid control ECU | Refer to REMOVAL [06/2016 - ] | |
| Slip indicator light abnormal (Does not come on). | Slip indicator light circuit | Refer to Slip Indicator Light does not Come ON [06/2016 - ] |
| Skid control ECU | Refer to REMOVAL [06/2016 - ] | |
| Sensor check cannot be done. | Check CAN communication system. | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2016 - 03/2017] Refer to HOW TO PROCEED WITH TROUBLESHOOTING [03/2017 - ] |
| Skid control ECU | Refer to REMOVAL [06/2016 - ] | |
| Hill-start assist does not operate. | Check CAN communication system. | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2016 - 03/2017] Refer to HOW TO PROCEED WITH TROUBLESHOOTING [03/2017 - ] |
| Hill start assist indicator circuit | Refer to Hill Start Assist Indicator Circuit [06/2016 - ] |