Problem Symptoms Table
WARNING: This page is about a different car, the 2007 Toyota Tacoma. However, it is still accessible from the selected car via links, so may be relevant.
If no DTCs are 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 article.
NOTE:
When replacing the brake actuator or sensor, turn the ignition switch to OFF.
ANTI-LOCK BRAKE SYSTEM
PROBLEM SYMPTOM CHART
| Symptom | Suspected Areas | See |
|---|---|---|
| ABS does not operate | 1. Check DTC reconfirming that normal code output. | DTC CHECK/CLEAR |
| 2. IG power source circuit | DTC C1241/41 LOW BATTERY POSITIVE VOLTAGE | |
| 3. Speed sensor circuit | DTC C0200/31 RIGHT FRONT WHEEL SPEED SENSOR SIGNAL MALFUNCTION; DTC C0205/32 LEFT FRONT WHEEL SPEED SENSOR SIGNAL MALFUNCTION; DTC C0210/33 RIGHT REAR WHEEL SPEED SENSOR SIGNAL MALFUNCTION; DTC C0215/34 LEFT REAR WHEEL SPEED SENSOR SIGNAL MALFUNCTION | |
| 4. Check brake actuator with intelligent tester. If abnormal, check hydraulic circuit for leakage. | BRAKE ACTUATOR (W/O VSC) | |
| 5. If symptoms still occur even after above circuits in suspected areas inspected and proved to be normal, replace brake actuator. | BRAKE ACTUATOR (W/O VSC) | |
| ABS does not operate efficiently | 1. Check DTC reconfirming that normal code output. | DTC CHECK/CLEAR |
| 2. Speed sensor circuit | DTC C0200/31 RIGHT FRONT WHEEL SPEED SENSOR SIGNAL MALFUNCTION; DTC C0205/32 LEFT FRONT WHEEL SPEED SENSOR SIGNAL MALFUNCTION; DTC C0210/33 RIGHT REAR WHEEL SPEED SENSOR SIGNAL MALFUNCTION; DTC C0215/34 LEFT REAR WHEEL SPEED SENSOR SIGNAL MALFUNCTION | |
| 3. Stop light switch circuit | DTC C1249/49 OPEN IN STOP LIGHT SWITCH CIRCUIT | |
| 4. Check brake actuator with intelligent tester. If abnormal, check hydraulic circuit for leakage. | BRAKE ACTUATOR (W/O VSC) | |
| 5. If symptoms still occur even after above circuits in suspected areas inspected and proved to be normal, replace brake actuator. | BRAKE ACTUATOR (W/O VSC) | |
| ABS warning light abnormal | 1. ABS warning light circuit | ABS WARNING LIGHT REMAINS ON |
| 2. Skid control ECU (brake actuator) | BRAKE ACTUATOR (W/O VSC) | |
| DTC check cannot be performed | 1. ABS warning light circuit | ABS WARNING LIGHT REMAINS ON |
| 2. TC and CG terminal circuit | TC AND CG TERMINAL CIRCUIT | |
| 3. If symptoms still occur even after above circuits in suspected areas inspected and proved to be normal, replace brake actuator. | BRAKE ACTUATOR (W/O VSC) | |
| Speed sensor signal check cannot be performed | 1. Skid control ECU (brake actuator) | BRAKE ACTUATOR (W/O VSC) |