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 RM000000XHV09NX.html
IG power source circuit
Toyota Fortuner RM000000XW609JX.html
Front speed sensor circuit
Toyota Fortuner RM000000XI90FDX.html
Rear speed sensor circuit
Toyota Fortuner RM000000XIA0BOX.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 RM0000010K000HX.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 RM000000XHV09NX.html
Front speed sensor circuit
Toyota Fortuner RM000000XI90FDX.html
Rear speed sensor circuit
Toyota Fortuner RM000000XIA0BOX.html
Stop light switch circuit
Toyota Fortuner RM000000XIE0CCX.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 RM0000010K000HX.html
ABS sensor DTC check cannot be done
Check for DTCs again and make sure that the normal system code is output.
Toyota Fortuner RM000000XHV09NX.html
TC and CG terminal circuit
Toyota Fortuner RM000000XIU0BBX.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 RM0000010K000HX.html
ABS warning light abnormal (Remains on)
ABS warning light circuit
Toyota Fortuner RM000003O4G007X.html
Skid control ECU (Brake actuator assembly)
Toyota Fortuner RM0000010K000HX.html
ABS warning light abnormal (Does not come on)
ABS warning light circuit
Toyota Fortuner RM000003O4H007X.html
Skid control ECU (Brake actuator assembly)
Toyota Fortuner RM0000010K000HX.html
Brake warning light abnormal (Remains on)
Brake warning light circuit
Toyota Fortuner RM000003O4I007X.html
Skid control ECU (Brake actuator assembly)
Toyota Fortuner RM0000010K000HX.html
Brake warning light abnormal (Does not come on)
Brake warning light circuit
Toyota Fortuner RM000003O4J007X.html
Skid control ECU (Brake actuator assembly)
Toyota Fortuner RM0000010K000HX.html
VSC and/or TRC does not operate
Check for DTCs again and make sure that the normal system code is output.
Toyota Fortuner RM000000XHV09NX.html
IG power source circuit
Toyota Fortuner RM000000XW609JX.html
Check the hydraulic circuit for leaks.
-
Front speed sensor circuit
Toyota Fortuner RM000000XI90FDX.html
Rear speed sensor circuit
Toyota Fortuner RM000000XIA0BOX.html
Yaw rate sensor circuit
Toyota Fortuner RM000001RFV08LX.html
Steering angle sensor circuit
Toyota Fortuner RM000000XIM0CFX.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 RM0000010K000HX.html
VSC sensor DTC check cannot be done
Check for DTCs again and make sure that the normal system code is output.
Toyota Fortuner RM000000XHV09NX.html
TC and CG terminal circuit
Toyota Fortuner RM000000XIU0BBX.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 RM0000010K000HX.html
VSC OFF indicator light abnormal (Remains on)
VSC OFF indicator light circuit
Toyota Fortuner RM000003O4M007X.html
Skid control ECU (Brake actuator assembly)
Toyota Fortuner RM0000010K000HX.html
VSC OFF indicator light abnormal (Does not come on)
VSC OFF indicator light circuit
Toyota Fortuner RM000003O4N007X.html
Skid control ECU (Brake actuator assembly)
Toyota Fortuner RM0000010K000HX.html
Slip indicator light abnormal (Remains on)
Slip indicator light circuit
Toyota Fortuner RM000003O4K007X.html
Skid control ECU (Brake actuator assembly)
Toyota Fortuner RM0000010K000HX.html
Slip indicator light abnormal (Does not come on)
Slip indicator light circuit
Toyota Fortuner RM000003O4L007X.html
Skid control ECU (Brake actuator assembly)
Toyota Fortuner RM0000010K000HX.html
Sensor check cannot be done
TS and CG terminal circuit
Toyota Fortuner RM000000XIV08UX.html
Skid control ECU (Brake actuator assembly)
Toyota Fortuner RM0000010K000HX.html