Anti-Lock Brake System Problem Symptoms Table

Anti-Lock Brake System -- Problem Symptoms Table


HINT:
  1. Use the table below to help determine the cause of the problem symptom. 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.
  1. Inspect the fuses and relays related to this system before inspecting the suspected areas below.
NOTICE:
When replacing the skid control ECU, sensor, etc., turn the ignition switch OFF.

Anti-lock brake system
Symptom
Suspected Area
See page
ABS does not opera
IG power source circuit
Toyota Fortuner RM0000011CF015X.html
Front speed sensor circuit
Toyota Fortuner RM00000102R02EX.html
Rear speed sensor circuit
Toyota Fortuner RM00000104M02FX.html
Brake actuator (hydraulic circuit)
Toyota Fortuner RM0000011JI003X.html
When above areas are all normal but problem still occurs, replace skid control ECU
-
ABS does not operate proper
Front speed sensor circuit
Toyota Fortuner RM00000102R02EX.html
Rear speed sensor circuit
Toyota Fortuner RM00000104M02FX.html
Stop light switch circuit
Toyota Fortuner RM00000104C00BX.html
Brake actuator (hydraulic circuit)
Toyota Fortuner RM0000011JI003X.html
When above areas are all normal but problem still occurs, replace skid control ECU
-
ABS warning light malfunction
Refer to ABS Warning Light Remains ON
Toyota Fortuner RM00000104E015X.html
Refer to ABS Warning Light does not Come ON
Toyota Fortuner RM00000104F010X.html
Skid control ECU
-
DTC check cannot be performed
Refer to ABS Warning Light Remains ON
Toyota Fortuner RM00000104E015X.html
Refer to ABS Warning Light does not Come ON
Toyota Fortuner RM00000104F010X.html
TC and CG terminal circuit
Toyota Fortuner RM00000104J00AX.html
When above areas are normal but problem still occurs, replace skid control ECU
-
Speed sensor signal check cannot be performed
TS and CG terminal circuit
Toyota Fortuner RM00000104K00AX.html
Skid control ECU
-