FixVault

Problem Symptoms Table

If a normal system code is displayed during the DTC check but the problem still occurs, check the circuits for each problem symptom in the order given in the table below and proceed to the relevant troubleshooting page.

NOTE: When replacing the skid control ECU with actuator or sensor, turn the ignition switch OFF.

Anti-lock brake system 

PROBLEM SYMPTOMS TABLE

Symptom Suspected area
ABS does not operate 1. CHECK DTC AND CONFIRM THAT NORMAL CODE IS OUTPUT 
2. IG POWER SOURCE CIRCUIT 
3. FRONT SPEED SENSOR CIRCUIT 
4. REAR SPEED SENSOR CIRCUIT 
5. Check skid control ECU with actuator with intelligent tester.
If abnormal, check hydraulic circuit for leakage.
ABS does not operate efficiently 1. CHECK DTC AND CONFIRM THAT NORMAL CODE IS OUTPUT 
2. FRONT SPEED SENSOR CIRCUIT 
3. REAR SPEED SENSOR CIRCUIT 
4. STOP LIGHT SWITCH CIRCUIT 
5. Check skid control ECU with actuator with intelligent tester.
If abnormal, check hydraulic circuit for leakage.
ABS warning light abnormality 1. ABS WARNING LIGHT CIRCUIT 
2. Skid control ECU with actuator
DTC check cannot be done 1. ABS WARNING LIGHT CIRCUIT 
2. TC AND CG TERMINAL CIRCUIT 
Speed sensor signal check cannot be done 1. Skid control ECU with actuator