Brake. Yaris. Ncp93, 131
Brake Control Dynamic Control Systems. Yaris. Ncp93, 131
Vehicle Stability Control System (For Sedan) -- Problem Symptoms Table |
- 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.
- NOTICE:
- When replacing the brake actuator assembly, sensor, etc., turn the ignition switch off.
| Symptom | Suspected Area | See page |
| ABS, BA and/or EBD does not operate | Check for DTCs again and make sure that the normal system code is output. | YARIS_NCP93 RM000000XHV0BQX.html |
| IG power source circuit (low power supply voltage malfunction) | YARIS_NCP93 RM000000XW60BJX.html | |
| IG power source circuit (high power supply voltage malfunction) | YARIS_NCP93 RM00000368W03GX.html | |
| Front speed sensor circuit (comparison malfunction) | YARIS_NCP93 RM000000XI90IWX.html | |
| Front speed sensor circuit (open or short malfunction) | YARIS_NCP93 RM000000XI90IXX.html | |
| Front speed sensor circuit (output malfunction) | YARIS_NCP93 RM000000XIA0E3X.html | |
| Rear speed sensor circuit (comparison malfunction) | YARIS_NCP93 RM00000369R03EX.html | |
| Rear speed sensor circuit (open or short malfunction) | YARIS_NCP93 RM00000369303DX.html | |
| Rear speed sensor circuit (output malfunction) | YARIS_NCP93 RM00000369S03HX.html | |
| Check the brake actuator assembly with the Techstream. (Check brake actuator assembly operation using the Active Test function.) If abnormal, check the hydraulic circuit for leaks. | YARIS_NCP93 RM000002VQ701NX.html | |
| If the symptoms still occur even after the above circuits in suspected areas have been inspected and proved to be normal, replace the brake actuator assembly (skid control ECU). | YARIS_NCP93 RM000001BXP02FX.html | |
| ABS, BA and/or EBD does not operate efficiently | Check for DTCs again and make sure that the normal system code is output. | YARIS_NCP93 RM000000XHV0BQX.html |
| Front speed sensor circuit (comparison malfunction) | YARIS_NCP93 RM000000XI90IWX.html | |
| Front speed sensor circuit (open or short malfunction) | YARIS_NCP93 RM000000XI90IXX.html | |
| Front speed sensor circuit (output malfunction) | YARIS_NCP93 RM000000XIA0E3X.html | |
| Rear speed sensor circuit (comparison malfunction) | YARIS_NCP93 RM00000369R03EX.html | |
| Rear speed sensor circuit (open or short malfunction) | YARIS_NCP93 RM00000369303DX.html | |
| Rear speed sensor circuit (output malfunction) | YARIS_NCP93 RM00000369S03HX.html | |
| Stop light switch circuit | YARIS_NCP93 RM000000XIE0EZX.html | |
| Check the brake actuator assembly with the Techstream. (Check brake actuator assembly operation using the Active Test function.) If abnormal, check the hydraulic circuit for leaks. | YARIS_NCP93 RM000002VQ701NX.html | |
| If the symptoms still occur even after the above circuits in suspected areas have been inspected and proved to be normal, replace the brake actuator assembly (skid control ECU). | YARIS_NCP93 RM000001BXP02FX.html | |
| ABS sensor DTC check cannot be done | Check for DTCs again and make sure that the normal system code is output. | YARIS_NCP93 RM000000XHV0BQX.html |
| TC and CG terminal circuit | YARIS_NCP93 RM000000XIU0DNX.html | |
| If the symptoms still occur even after the above circuit in the suspected area has been inspected and proved to be normal, replace the brake actuator assembly (skid control ECU). | YARIS_NCP93 RM000001BXP02FX.html | |
| ABS warning light abnormal (Remains on) | ABS warning light circuit | YARIS_NCP93 RM000000XIH0BQX.html |
| Brake actuator assembly (skid control ECU) | YARIS_NCP93 RM000001BXP02FX.html | |
| ABS warning light abnormal (Does not come on) | ABS warning light circuit | YARIS_NCP93 RM000000XIQ0BOX.html |
| Brake actuator assembly (skid control ECU) | YARIS_NCP93 RM000001BXP02FX.html | |
| Brake warning light abnormal (Remains on) | Brake warning light circuit | YARIS_NCP93 RM000000YHG0BSX.html |
| Brake actuator assembly (skid control ECU) | YARIS_NCP93 RM000001BXP02FX.html | |
| Brake warning light abnormal (Does not come on) | Brake warning light circuit | YARIS_NCP93 RM000000YHH0BSX.html |
| Brake actuator assembly (skid control ECU) | YARIS_NCP93 RM000001BXP02FX.html | |
| VSC and/or TRAC does not operate | Check for DTCs again and make sure that the normal system code is output. | YARIS_NCP93 RM000000XHV0BQX.html |
| IG power source circuit (low power supply voltage malfunction) | YARIS_NCP93 RM000000XW60BJX.html | |
| IG power source circuit (high power supply voltage malfunction) | YARIS_NCP93 RM00000368W03GX.html | |
| Check the hydraulic circuit for leaks. | - | |
| Front speed sensor circuit (comparison malfunction) | YARIS_NCP93 RM000000XI90IWX.html | |
| Front speed sensor circuit (open or short malfunction) | YARIS_NCP93 RM000000XI90IXX.html | |
| Front speed sensor circuit (output malfunction) | YARIS_NCP93 RM000000XIA0E3X.html | |
| Rear speed sensor circuit (comparison malfunction) | YARIS_NCP93 RM00000369R03EX.html | |
| Rear speed sensor circuit (open or short malfunction) | YARIS_NCP93 RM00000369303DX.html | |
| Rear speed sensor circuit (output malfunction) | YARIS_NCP93 RM00000369S03HX.html | |
| Yaw rate and acceleration sensor circuit (zero point malfunction) | YARIS_NCP93 RM000000XIK07XX.html | |
| Yaw rate and acceleration sensor circuit (power supply malfunction) | YARIS_NCP93 RM000001RFV0ANX.html | |
| Acceleration sensor circuit (comparison malfunction) | YARIS_NCP93 RM0000035P6032X.html | |
| Yaw rate sensor circuit (comparison malfunction) | YARIS_NCP93 RM0000035P5031X.html | |
| Yaw rate and acceleration sensor circuit (stuck or output malfunction) | YARIS_NCP93 RM000001RFV0AMX.html | |
| Yaw rate and acceleration sensor circuit (internal malfunction) | YARIS_NCP93 RM0000035P4037X.html | |
| Steering angle sensor circuit (zero point malfunction) | YARIS_NCP93 RM000000ZRR0A5X.html | |
| Steering angle sensor circuit (power supply malfunction) | YARIS_NCP93 RM000000XIM0FEX.html | |
| Steering angle sensor circuit (output malfunction) | YARIS_NCP93 RM000000XIM0FGX.html | |
| Steering angle sensor circuit (internal malfunction) | YARIS_NCP93 RM000000XIM0FFX.html | |
| If the symptoms still occur even after the above circuits in suspected areas have been inspected and proved to be normal, replace the brake actuator assembly (skid control ECU). | YARIS_NCP93 RM000001BXP02FX.html | |
| VSC sensor DTC check cannot be done | Check for DTCs again and make sure that the normal system code is output. | YARIS_NCP93 RM000000XHV0BQX.html |
| TC and CG terminal circuit | YARIS_NCP93 RM000000XIU0DNX.html | |
| If the symptoms still occur even after the above circuit in suspected areas has been inspected and proved to be normal, replace the brake actuator assembly (skid control ECU). | YARIS_NCP93 RM000001BXP02FX.html | |
| TRAC OFF indicator abnormal (Remains on) | TRAC OFF indicator light circuit | YARIS_NCP93 RM000001FQO0AFX.html |
| Brake actuator assembly (Skid control ECU) | YARIS_NCP93 RM000001BXP02FX.html | |
| TRAC OFF indicator abnormal (Does not come on) | TRAC OFF indicator light circuit | YARIS_NCP93 RM000001FQP0ABX.html |
| Brake actuator assembly (Skid control ECU) | YARIS_NCP93 RM000001BXP02FX.html | |
| VSC OFF indicator abnormal (Remains on) | VSC OFF indicator light circuit | YARIS_NCP93 RM000001FQO0AGX.html |
| Brake actuator assembly (skid control ECU) | YARIS_NCP93 RM000001BXP02FX.html | |
| VSC OFF indicator abnormal (Does not come on) | VSC OFF indicator light circuit | YARIS_NCP93 RM000001FQP0ACX.html |
| Brake actuator assembly (skid control ECU) | YARIS_NCP93 RM000001BXP02FX.html | |
| SLIP indicator light abnormal (Remains on) | SLIP indicator light circuit | YARIS_NCP93 RM000000YHI08JX.html |
| Brake actuator assembly (skid control ECU) | YARIS_NCP93 RM000001BXP02FX.html | |
| SLIP indicator light abnormal (Does not come on) | SLIP indicator light circuit | YARIS_NCP93 RM000000YHJ08JX.html |
| Brake actuator assembly (skid control ECU) | YARIS_NCP93 RM000001BXP02FX.html | |
| Sensor check cannot be done | TS and CG terminal circuit | YARIS_NCP93 RM000000XIU0DOX.html |
| Brake actuator assembly (skid control ECU) | YARIS_NCP93 RM000001BXP02FX.html | |
| Skid control buzzer abnormal | Skid control buzzer circuit | YARIS_NCP93 RM000000XIS08FX.html |
| Brake actuator assembly (skid control ECU) | YARIS_NCP93 RM000001BXP02FX.html |