Vehicle Stability Control System Problem Symptoms Table

Vehicle Stability Control System -- Problem Symptoms Table


Use the table below to help determine the cause of a problem. The likely causes of the problem are indicated in descending order. Check each suspected area in order. Repair or replace faulty parts or perform adjustments as necessary.
NOTICE:
When replacing the brake actuator assembly, any sensors, etc., turn the ignition switch off.
HINT:
  1. Inspect the fuses and relays before investigating the suspected areas shown in the table below.
  2. Inspect each suspected area for the corresponding symptom in order.

Vehicle Stability Control System
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.
Toyota Fortuner RM000000XHV03YX.html
IG power source circuit
Toyota Fortuner RM000000XW603XX.html
Front speed sensor circuit
Toyota Fortuner RM000000XI9052X.html
Rear speed sensor circuit
Toyota Fortuner RM000000XIA04NX.html
Check the brake actuator assembly with the intelligent tester. (Check brake actuator assembly operation using the Active Test function.) If abnormal, check the hydraulic circuit for leaks.
Toyota Fortuner RM0000011JI00DX.html
If the symptom still occurs even after the circuit(s) listed above have been inspected and proved to be normal, replace the skid control ECU (brake actuator assembly).
Toyota Fortuner RM0000010K000DX.html
ABS, BA and/or EBD does not operate efficiently
Check for DTCs again and make sure that the normal system code is output.
Toyota Fortuner RM000000XHV03YX.html
Front speed sensor circuit
Toyota Fortuner RM000000XI9052X.html
Rear speed sensor circuit
Toyota Fortuner RM000000XIA04NX.html
Stop light switch circuit
Toyota Fortuner RM000000XIE04EX.html
Check the brake actuator assembly with the intelligent tester. (Check brake actuator assembly operation using the Active Test function.) If abnormal, check the hydraulic circuit for leaks.
Toyota Fortuner RM0000011JI00DX.html
If the symptom still occurs even after the circuits listed above have been inspected and proved to be normal, replace the brake actuator assembly (skid control ECU).
Toyota Fortuner RM0000010K000DX.html
ABS sensor DTC check cannot be done
Check for DTCs again and make sure that the normal system code is output.
Toyota Fortuner RM000000XHV03YX.html
TC and CG terminal circuit
Toyota Fortuner RM000000XIU04JX.html
If the symptom still occurs even after the circuits listed above have been inspected and proved to be normal, replace the skid control ECU (brake actuator assembly).
Toyota Fortuner RM0000010K000DX.html
ABS warning light abnormal (Remains on)
ABS warning light circuit
Toyota Fortuner RM000003O4G003X.html
Skid control ECU (Brake actuator assembly)
Toyota Fortuner RM0000010K000DX.html
ABS warning light abnormal (Does not come on)
ABS warning light circuit
Toyota Fortuner RM000003O4H003X.html
Skid control ECU (Brake actuator assembly)
Toyota Fortuner RM0000010K000DX.html
Brake warning light abnormal (Remains on)
Brake warning light circuit
Toyota Fortuner RM000003O4I003X.html
Skid control ECU (Brake actuator assembly)
Toyota Fortuner RM0000010K000DX.html
Brake warning light abnormal (Does not come on)
Brake warning light circuit
Toyota Fortuner RM000003O4J003X.html
Skid control ECU (Brake actuator assembly)
Toyota Fortuner RM0000010K000DX.html
VSC and/or TRC does not operate
Check for DTCs again and make sure that the normal system code is output.
Toyota Fortuner RM000000XHV03YX.html
IG power source circuit
Toyota Fortuner RM000000XW603XX.html
Check the hydraulic circuit for leaks.
-
Front speed sensor circuit
Toyota Fortuner RM000000XI9052X.html
Rear speed sensor circuit
Toyota Fortuner RM000000XIA04NX.html
Yaw rate sensor circuit
Toyota Fortuner RM000001RFV02FX.html
Steering angle sensor circuit
Toyota Fortuner RM000000XIM03SX.html
If the symptom still occurs even after the circuit(s) listed above have been inspected and proved to be normal, replace the skid control ECU (brake actuator assembly).
Toyota Fortuner RM0000010K000DX.html
VSC sensor DTC check cannot be done
Check for DTCs again and make sure that the normal system code is output.
Toyota Fortuner RM000000XHV03YX.html
TC and CG terminal circuit
Toyota Fortuner RM000000XIU04JX.html
If the symptom still occurs even after the circuit(s) listed above have been inspected and proved to be normal, replace the skid control ECU (brake actuator assembly).
Toyota Fortuner RM0000010K000DX.html
VSC OFF indicator light abnormal (Remains on)
VSC OFF indicator light circuit
Toyota Fortuner RM000003O4M003X.html
Skid control ECU (Brake actuator assembly)
Toyota Fortuner RM0000010K000DX.html
VSC OFF indicator light abnormal (Does not come on)
VSC OFF indicator light circuit
Toyota Fortuner RM000003O4N003X.html
Skid control ECU (Brake actuator assembly)
Toyota Fortuner RM0000010K000DX.html
Slip indicator light abnormal (Remains on)
Slip indicator light circuit
Toyota Fortuner RM000003O4K003X.html
Skid control ECU (Brake actuator assembly)
Toyota Fortuner RM0000010K000DX.html
Slip indicator light abnormal (Does not come on)
Slip indicator light circuit
Toyota Fortuner RM000003O4L003X.html
Skid control ECU (Brake actuator assembly)
Toyota Fortuner RM0000010K000DX.html
Sensor check cannot be done
TS and CG terminal circuit
Toyota Fortuner RM000000XIV044X.html
Skid control ECU (Brake actuator assembly)
Toyota Fortuner RM0000010K000DX.html
Skid control buzzer abnormal
Skid control buzzer circuit
Toyota Fortuner RM000000XIS03FX.html
Skid control ECU (Brake actuator assembly)
Toyota Fortuner RM0000010K000DX.html