How To Proceed With Troubleshooting

1. Vehicle Brought to Workshop 
   1. GO TO NEXT STEP 
2. Customer Problem Analysis (See  CUSTOMER PROBLEM ANALYSIS CHECK   ) 
   1. GO TO NEXT STEP 
3. Check and Clear DTCs (See  PRE-CHECK   ) 
   1. GO TO NEXT STEP 
4. Problem Symptom Confirmation 
   1. Symptom does not occur: Go to step 5 
   2. Symptom occur: Go to step   6 
5. Symptom Simulation (See  SYMPTOM SIMULATION  ) 
   1. GO TO NEXT STEP 
6. DTC Check (See  PRE-CHECK   ) 
   1. There is no output: Go to step 7 
   2. There is output: Go to step   8 
7. Problem Symptoms Table (See  PROBLEM SYMPTOMS TABLE   ) 
   1. Check for fluid leakage and go to step   10 
8. DTC Chart (See  DIAGNOSTIC TROUBLE CODE CHART   ) 
   1. GO TO NEXT STEP 
9. Circuit Inspection (See  CIRCUIT DESCRIPTION   ) 
   1. GO TO NEXT STEP 
10. Identification of Problem 
    1. GO TO NEXT STEP 
11. Repair 
    1. GO TO NEXT STEP 
12. Confirmation Test 

End 

HINT:

Step  3,  6,  9,  12:

Diagnostic steps permitting the use of the hand-held tester.

Fail safe function:

When a failure occurs in the ABS system, the ABS warning light is turns on and the ABS operation is prohibited. In addition to this, when there is a failure which disables the EBD operation, the brake warning light is also turns on and the EBD operation is prohibited.