Problem Symptoms Table
WARNING: This page is about a different car, the 2004 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.
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 the brake actuator assy, sensor or etc., turn the ignition switch to OFF.
ABS & EBD System Problem Symptom Chart
| Symptom/Suspect Area | See | |
|---|---|---|
| ABS Does Not Operate | ||
| 1. Check The DTC Reconfirming That The Normal Code Is Output | PRE-CHECK | |
| 2. IG Power Source Circuit | DTC C1241/41 | |
| 3. Speed Sensor Circuit | DTC C0200/31, DTC C0205/32, DTC C1235/35, DTC C1236/36 , DTC C1239/39 | |
| 4. Check The Brake Actuator With A Hand Held Tester. If There Is Malfunction, Check The Hydraulic Circuit For Leakage. | ON-VEHICLE INSPECTION | |
| 5. When The Above Areas (1 To 4) Are All Normal But The Problem Is Still Occurring, Replace The Brake Actuator Assy. | ..... | |
| ABS Does Not Operate Efficiently | ||
| 1. Check The DTC Reconfirming That The Normal Code Is Output | PRE-CHECK | |
| 2. IG Power Source Circuit | DTC C1241/41 | |
| 3. Stop Light Switch Circuit | DTC C1249/49 | |
| 4. Check The Brake Actuator With A Hand Held Tester. If There Is Malfunction, Check The Hydraulic Circuit For Leakage. | ON-VEHICLE INSPECTION | |
| 5. When The Above Areas (1 To 4) Are All Normal But The Problem Is Still Occurring, Replace The Brake Actuator Assy. | ..... | |
| ABS Warning Light Abnormally | ||
| 1. ABS Warning Light Circuit | DTC ALWAYS ON MALFUNCTION IN ABS ECU Or ABS WARNING LIGHT CIRCUIT (DOES NOT LIGHT UP) | |
| 2. Brake Actuator | ..... | |
| DTC Check Cannot Be Done | ||
| 1. ABS Warning Light Circuit | DTC ALWAYS ON MALFUNCTION IN ABS ECU Or ABS WARNING LIGHT CIRCUIT (DOES NOT LIGHT UP) | |
| 2. Tc Terminal Circuit | TC TERMINAL CIRCUIT | |
| 3. When The Above Areas (1 To 2) Are All Normal But The Problem Is Still Occurring, Replace The Brake Actuator Assy. | ..... | |
| Speed Sensor Signal Check Cannot Be Done | ||
| 1. Ts Terminal Circuit | TS TERMINAL CIRCUIT | |
| 2. Brake Actuator Assy | ..... | |