Problem Symptoms Table
If a normal system 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 item.
NOTE:
When replacing the skid control ECU, or sensor, turn the ignition switch off.
PROBLEM SYMPTOMS
| Symptom/Suspect Area |
See |
| ABS Does Not Operate |
| When The Followings 1. to 4. Are All Normal And The Problem Still Occurs, Replace The Skid Control ECU. |
..... |
| 1. Check The DTC Reconfirming That The Normal Code Is 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 SPEED SENSOR CIRCUIT, DTC C0205/32 LEFT FRONT SPEED SENSOR CIRCUIT, DTC C1235/35 FOREIGN MATTER IS ATTACHED ON TIP OF RIGHT FRONT SENSOR, DTC C1236/36 FOREIGN MATTER IS ATTACHED ON TIP OF LEFT FRONT SENSOR
DTC C0210/33 RIGHT REAR SPEED SENSOR CIRCUIT, DTC C0215/34 LEFT REAR SPEED SENSOR CIRCUIT, DTC C1238/38 FOREIGN MATTER IS ATTACHED ON TIP OF RIGHT REAR SENSOR, DTC C1239/39 FOREIGN MATTER IS ATTACHED ON TIP OF LEFT REAR SENSOR |
| 4. Check The Brake Actuator With The Hand-Held Tester. If Abnormal, Check The Hydraulic Circuit For Leakage. |
ON-VEHICLE INSPECTION |
| ABS Does Not Operate Efficiently |
When The Following 1. to 4. Are All Normal And The Problem Still Occurs, Replace The Skid Control ECU.
|
..... |
| 1. Check The DTC Reconfirming That The Normal Code Is Output. |
DTC CHECK/CLEAR |
| 2. Speed Sensor Circuit |
DTC C0200/31 RIGHT FRONT SPEED SENSOR CIRCUIT, DTC C0205/32 LEFT FRONT SPEED SENSOR CIRCUIT, DTC C1235/35 FOREIGN MATTER IS ATTACHED ON TIP OF RIGHT FRONT SENSOR, DTC C1236/36 FOREIGN MATTER IS ATTACHED ON TIP OF LEFT FRONT SENSOR
DTC C0210/33 RIGHT REAR SPEED SENSOR CIRCUIT, DTC C0215/34 LEFT REAR SPEED SENSOR CIRCUIT, DTC C1238/38 FOREIGN MATTER IS ATTACHED ON TIP OF RIGHT REAR SENSOR, DTC C1239/39 FOREIGN MATTER IS ATTACHED ON TIP OF LEFT REAR SENSOR |
| 3. Stop Light Switch Circuit |
DTC C1249/49 OPEN CIRCUIT IN STOP LIGHT SWITCH CIRCUIT |
| 4. Check The Brake Actuator With The Hand-Held Tester. If Abnormal, Check The Hydraulic Circuit For Leakage. |
ON-VEHICLE INSPECTION |
| ABS Warning Light Abnormality |
| 1. ABS Warning Light Circuit |
DTC ALWAYS ON MALFUNCTION IN ABS ECU
ABS WARNING LIGHT CIRCUIT (DOES NOT LIGHT UP) |
| 2. Skid Control ECU |
..... |
| DTC Check Cannot Be Done |
| When The Following 1. And 2. Are All Normal And The Problem Still Occurs, Replace The Skid Control ECU. |
..... |
| 1. ABS Warning Light Circuit |
ABS WARNING LIGHT CIRCUIT (DOES NOT LIGHT UP)
DTC ALWAYS ON MALFUNCTION IN ABS ECU |
| 2. Tc Terminal Circuit |
TC TERMINAL CIRCUIT |
| Speed Sensor Signal Check Cannot Be Done |
| 1. Skid Control ECU |
..... |