FixVault

Problem Symptoms Table

If the ABS has a problem even when DTCs are not output, use the table below to identify the potential causes of the symptoms.

NOTE: When replacing the brake actuator assembly or sensor, turn the ignition switch OFF.

Anti-lock Brake System 

PROBLEM SYMPTOMS CHART

Symptom Suspected Area See page
ABS does not operate 1. Check brake fluid leakage -
2. CHECK POWER SOURCE CIRCUIT   
3. CHECK BRAKE ACTUATOR ASSEMBLY   
4. WHEN ABOVE AREAS (1 TO 3) ARE ALL NORMAL BUT PROBLEM STILL OCCURS, REPLACE BRAKE ACTUATOR ASSEMBLY   
ABS does not operate efficiently 1. Check brake fluid leakage -
2. CHECK BRAKE ACTUATOR ASSEMBLY   
3. WHEN ABOVE AREAS (1 AND 2) ARE ALL NORMAL BUT PROBLEM STILL OCCURS, REPLACE BRAKE ACTUATOR ASSEMBLY   
ABS WARNING LIGHT REMAINS ON  1. Check ABS warning light circuit  
ABS WARNING LIGHT DOES NOT COME ON  1. Check ABS warning light circuit  
BRAKE WARNING LIGHT MALFUNCTION  1. Check BRAKE warning light circuit  
DTC CHECK CANNOT BE DONE  1. Check TC and CG terminal circuit  
TEST MODE CANNOT BE DONE  1. Check TS and CG terminal circuit