ANTI-LOCK BRAKE SYSTEM PROBLEM SYMPTOMS TABLE
If a normal 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 Skid Control ECU, sensor or etc., turn the ignition switch OFF.
| Symptom | Suspected Area | See page |
|---|---|---|
| ABS does not operate. | When the followings 1. to 4. are all normal and the problem is still occurring, replace the Skid Control ECU. | - |
| 1. Check the DTC reconfirming that the normal code is output. | ||
| 2. IG power source circuit | ||
| 3. Speed sensor circuit | ||
| 4. Check the brake actuator with a intelligent tester. If abnormal, check the hydraulic circuit for leakage. | ||
| ABS does not operate efficiently. | When the following 1. to 4. are all normal and the problem is still occurring, replace the Skid Control ECU. | - |
| 1. Check the DTC reconfirming that the normal code is output. | ||
| 2. Speed sensor circuit | ||
| 3. Stop light switch circuit | ||
| 4. Check the brake actuator with a intelligent tester. If abnormal, check the hydraulic circuit for leakage. | ||
| ABS warning light abnormality. | 1. ABS warning light circuit | |
| 2. Skid Control ECU | ||
| DTC check cannot be done. | When the following 1. and 2. are all normal and the problem is still occurring, replace the Skid Control ECU. | - |
| 1. ABS warning light circuit | ||
| 2. TC and CG Terminal Circuit | ||
| Speed sensor signal check cannot be done. | 1. TS and CG Terminal Circuit | |
| 2. Skid Control ECU |