Anti-Lock Brake System (For Sedan) Problem Symptoms Table

Brake. Yaris. Ncp93, 131

Anti-Lock Brake System (For Sedan) -- Problem Symptoms Table


HINT:
  1. 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.
  2. 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.

Anti-Lock Brake System
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 RM000000XHP0BBX.html
IG power source circuit (Low power supply)
YARIS_NCP93 RM000000XW60BIX.html
IG power source circuit (High power supply)
YARIS_NCP93 RM00000368W03FX.html
Front speed sensor (Comparison malfunction)
YARIS_NCP93 RM000000XI90IUX.html
Front speed sensor (Open or short circuit)
YARIS_NCP93 RM000000XI90IVX.html
Front speed sensor (Signal malfunction)
YARIS_NCP93 RM000000XIA0E2X.html
Rear speed sensor (Comparison malfunction)
YARIS_NCP93 RM00000369R03DX.html
Rear speed sensor (Open or short circuit)
YARIS_NCP93 RM00000369303CX.html
Rear speed sensor (Signal malfunction)
YARIS_NCP93 RM00000369S03GX.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 and/or EBD does not operate efficiently
Check for DTCs again and make sure that the normal system code is output.
YARIS_NCP93 RM000000XHP0BBX.html
Front speed sensor (Comparison malfunction)
YARIS_NCP93 RM000000XI90IUX.html
Front speed sensor (Open or short circuit)
YARIS_NCP93 RM000000XI90IVX.html
Front speed sensor (Signal malfunction)
YARIS_NCP93 RM000000XIA0E2X.html
Rear speed sensor (Comparison malfunction)
YARIS_NCP93 RM00000369R03DX.html
Rear speed sensor (Open or short circuit)
YARIS_NCP93 RM00000369303CX.html
Rear speed sensor (Signal malfunction)
YARIS_NCP93 RM00000369S03GX.html
Stop light switch circuit
YARIS_NCP93 RM000000XIE0EYX.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 RM000000XHP0BBX.html
TC and CG terminal circuit
YARIS_NCP93 RM000000XIU0DLX.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
ABS warning light circuit (Remains on)
YARIS_NCP93 RM000000XIH0BPX.html
Brake actuator assembly (Skid control ECU)
YARIS_NCP93 RM000001BXP02FX.html
ABS warning light abnormal
ABS warning light circuit (Does not come on)
YARIS_NCP93 RM000000XIQ0BNX.html
Brake actuator assembly (Skid control ECU)
YARIS_NCP93 RM000001BXP02FX.html
Brake warning light abnormal
Brake warning light circuit (Remains on)
YARIS_NCP93 RM000000YHG0BRX.html
Brake actuator assembly (Skid control ECU)
YARIS_NCP93 RM000001BXP02FX.html
Brake warning light abnormal
Brake warning light circuit (Does not come on)
YARIS_NCP93 RM000000YHH0BRX.html
Brake actuator assembly (Skid control ECU)
YARIS_NCP93 RM000001BXP02FX.html
Sensor check cannot be done
TS and CG terminal circuit
YARIS_NCP93 RM000000XIU0DMX.html
Brake actuator assembly (Skid control ECU)
YARIS_NCP93 RM000001BXP02FX.html