Brake. Yaris. Ncp93, 131
Brake Control Dynamic Control Systems. Yaris. Ncp93, 131
Anti-Lock Brake System (For Hatchback) -- 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 skid control ECU (brake actuator assembly), sensor, etc., turn the ignition switch off.
| Symptom | Suspected Area | See page |
| ABS and/or EBD does not operate | Check for DTCs again and make sure that the normal system code is output. | YARIS_NCP93 RM000000XHV0CPX.html |
| IG power source circuit (low power supply voltage malfunction) | YARIS_NCP93 RM000000XW60CDX.html | |
| IG power source circuit (high power supply voltage malfunction) | YARIS_NCP93 RM00000368W03XX.html | |
| Front speed sensor circuit (comparison malfunction) | YARIS_NCP93 RM000000XI90KBX.html | |
| Front speed sensor circuit (open or short malfunction) | YARIS_NCP93 RM000000XI90KCX.html | |
| Front speed sensor circuit (output malfunction) | YARIS_NCP93 RM000000XIA0EWX.html | |
| Rear speed sensor circuit (comparison malfunction) | YARIS_NCP93 RM00000369R03TX.html | |
| Rear speed sensor circuit (open or short malfunction) | YARIS_NCP93 RM00000369303SX.html | |
| Rear speed sensor circuit (output malfunction) | YARIS_NCP93 RM00000369S03WX.html | |
| Check the skid control ECU (brake actuator assembly) with the Techstream. (Check skid control ECU (brake actuator assembly) operation using the Active Test function.) If abnormal, check the hydraulic circuit for leaks. | YARIS_NCP93 RM000002VQ701VX.html | |
| If the symptoms still occur even after the above circuits in suspected areas have been inspected and proved to be normal, replace the skid control ECU (brake actuator assembly). | YARIS_NCP93 RM000001BXP02KX.html | |
| ABS and/or EBD does not operate efficiently | Check for DTCs again and make sure that the normal system code is output. | YARIS_NCP93 RM000000XHV0CPX.html |
| Front speed sensor circuit (comparison malfunction) | YARIS_NCP93 RM000000XI90KBX.html | |
| Front speed sensor circuit (open or short malfunction) | YARIS_NCP93 RM000000XI90KCX.html | |
| Front speed sensor circuit (output malfunction) | YARIS_NCP93 RM000000XIA0EWX.html | |
| Rear speed sensor circuit (comparison malfunction) | YARIS_NCP93 RM00000369R03TX.html | |
| Rear speed sensor circuit (open or short malfunction) | YARIS_NCP93 RM00000369303SX.html | |
| Rear speed sensor circuit (output malfunction) | YARIS_NCP93 RM00000369S03WX.html | |
| Stop light switch circuit | YARIS_NCP93 RM000000XIE0G8X.html | |
| Check the skid control ECU (brake actuator assembly) with the Techstream. (Check skid control ECU (brake actuator assembly) operation using the Active Test function.) If abnormal, check the hydraulic circuit for leaks. | YARIS_NCP93 RM000002VQ701VX.html | |
| If the symptoms still occur even after the above circuits in suspected areas have been inspected and proved to be normal, replace the skid control ECU (brake actuator assembly). | YARIS_NCP93 RM000001BXP02KX.html | |
| ABS sensor DTC check cannot be done | Check for DTCs again and make sure that the normal system code is output. | YARIS_NCP93 RM000000XHV0CPX.html |
| TC and CG terminal circuit | YARIS_NCP93 RM000000XIU0EPX.html | |
| If the symptoms still occur even after the above circuits in suspected areas have been inspected and proved to be normal, replace the skid control ECU (brake actuator assembly). | YARIS_NCP93 RM000001BXP02KX.html | |
| ABS warning light abnormal (Remains on) | ABS warning light circuit | YARIS_NCP93 RM000000XIH0CAX.html |
| Skid control ECU (brake actuator assembly) | YARIS_NCP93 RM000001BXP02KX.html | |
| ABS warning light abnormal (Does not come on) | ABS warning light circuit | YARIS_NCP93 RM000000XIQ0C7X.html |
| Skid control ECU (brake actuator assembly) | YARIS_NCP93 RM000001BXP02KX.html | |
| Brake warning light abnormal (Remains on) | Brake warning light circuit | YARIS_NCP93 RM000000YHG0CCX.html |
| Skid control ECU (brake actuator assembly) | YARIS_NCP93 RM000001BXP02KX.html | |
| Brake warning light abnormal (Does not come on) | Brake warning light circuit | YARIS_NCP93 RM000000YHH0CBX.html |
| Skid control ECU (brake actuator assembly) | YARIS_NCP93 RM000001BXP02KX.html | |
| Sensor check cannot be done | TS and CG terminal circuit | YARIS_NCP93 RM000000XIU0EQX.html |
| Skid control ECU (brake actuator assembly) | YARIS_NCP93 RM000001BXP02KX.html |