| ABS does not operate |
When the following 1. to 5. are all normal and the problem still occurs, replace the brake actuator assembly. |
ABS AND TRACTION ACTUATOR |
| 1. Check the DTC reconfirming that the normal code is output. |
DIAGNOSIS SYSTEM |
| 2. IG power source circuit |
DTC C1241/41 Low Battery Positive Voltage |
| 3. Front speed sensor circuit |
DTC C0200/31 Front Speed Sensor RH Circuit; DTC C0205/32 Front Speed Sensor LH Circuit; DTC C1235/35 Foreign Object is Attached on Tip of Front Speed Sensor RH; DTC C1236/36 Foreign Object is Attached on Tip of Front Speed Sensor LH; DTC C1271/71 Low Output Signal of Front Speed Sensor RH (Test Mode DTC); DTC C1272/72 Low Output Signal of Front Speed Sensor LH (Test Mode DTC); DTC C1275/75 Abnormal Change in Output Signal of Front Speed Sensor RH (Test Mode DTC); DTC C1276/76 Abnormal Change in Output Signal of Front Speed Sensor LH (Test Mode DTC) |
| 4. Rear speed sensor circuit |
DTC C0210/33 Rear Speed Sensor RH Circuit; DTC C0215/34 Rear Speed Sensor LH Circuit; DTC C1238/38 Foreign Object is Attached on Tip of Rear Speed Sensor RH; DTC C1239/39 Foreign Object is Attached on Tip of Rear Speed Sensor LH; DTC C1273/73 Low Output Signal of Rear Speed Sensor RH (Test Mode DTC); DTC C1274/74 Low Output Signal of Rear Speed Sensor LH (Test Mode DTC); DTC C1277/77 Abnormal Change in Output Signal of Rear Speed Sensor RH (Test Mode DTC); DTC C1278/78 Abnormal Change in Output Signal of Rear Speed Sensor LH (Test Mode DTC) |
| 5. Check the brake actuator with the intelligent tester. |
ON-VEHICLE INSPECTION |
| If abnormal, check the hydraulic circuit for leakage. |
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| ABS does not operate efficiently |
When the following 1. to 5. are all normal and the problem still occurs, replace the brake actuator assembly. |
BRAKE ACTUATOR |
| 1. Check the DTC reconfirming that the normal code is output. |
DIAGNOSIS SYSTEM |
| 2. Front speed sensor circuit |
DTC C0200/31 Front Speed Sensor RH Circuit; DTC C0205/32 Front Speed Sensor LH Circuit; DTC C1235/35 Foreign Object is Attached on Tip of Front Speed Sensor RH; DTC C1236/36 Foreign Object is Attached on Tip of Front Speed Sensor LH; DTC C1271/71 Low Output Signal of Front Speed Sensor RH (Test Mode DTC); DTC C1272/72 Low Output Signal of Front Speed Sensor LH (Test Mode DTC); DTC C1275/75 Abnormal Change in Output Signal of Front Speed Sensor RH (Test Mode DTC); DTC C1276/76 Abnormal Change in Output Signal of Front Speed Sensor LH (Test Mode DTC) |
| 3. Rear speed sensor circuit |
DTC C0210/33 Rear Speed Sensor RH Circuit; DTC C0215/34 Rear Speed Sensor LH Circuit; DTC C1238/38 Foreign Object is Attached on Tip of Rear Speed Sensor RH; DTC C1239/39 Foreign Object is Attached on Tip of Rear Speed Sensor LH; DTC C1273/73 Low Output Signal of Rear Speed Sensor RH (Test Mode DTC); DTC C1274/74 Low Output Signal of Rear Speed Sensor LH (Test Mode DTC); DTC C1277/77 Abnormal Change in Output Signal of Rear Speed Sensor RH (Test Mode DTC); DTC C1278/78 Abnormal Change in Output Signal of Rear Speed Sensor LH (Test Mode DTC) |
| 4. Stop light switch circuit |
DTC C1249/49 Open in Stop Light Switch Circuit |
| 5. Check the brake actuator with the intelligent tester. |
ON-VEHICLE INSPECTION |
| If abnormal, check the hydraulic circuit for leakage. |
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| ABS warning light abnormality |
1. ABS warning light circuit (Remains on) |
ABS WARNING LIGHT REMAINS ON |
| 2. ABS warning light circuit (Does not come on) |
ABS WARNING LIGHT DOES NOT COME ON |
| 3. Skid control ECU (brake actuator assembly) |
BRAKE ACTUATOR |
| DTC check cannot be done |
When the following 1. and 3. are all normal and the problem still occurs, replace the brake actuator assembly. |
BRAKE ACTUATOR |
| 1. ABS warning light circuit (Remains on) |
ABS WARNING LIGHT REMAINS ON |
| 2. ABS warning light circuit (Does not come on) |
ABS WARNING LIGHT DOES NOT COME ON |
| 3. TC and CG terminal circuit |
TC and CG Terminal Circuit |
| Speed sensor signal check cannot be done |
1. Skid control ECU (brake actuator assembly) |
BRAKE ACTUATOR |