| ABS does not operate |
1. Check the DTC reconfirming that the normal system code is output. |
DTC CHECK / CLEAR |
| 2. IG power source circuit |
DTC C1241/41 LOW BATTERY POSITIVE VOLTAGE OR ABNORMALLY HIGH BATTERY POSITIVE VOLTAGE |
| 3. Front speed sensor circuit |
DTC C0200/31 RIGHT FRONT WHEEL SPEED SENSOR SIGNAL MALFUNCTION; DTC C0205/32 LEFT FRONT WHEEL SPEED SENSOR SIGNAL MALFUNCTION; 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); DTC C1330/35 RIGHT FRONT SPEED SENSOR CIRCUIT; DTC C1331/36 LEFT FRONT SPEED SENSOR CIRCUIT |
| 4. Rear speed sensor circuit |
DTC C0210/33 RIGHT REAR WHEEL SPEED SENSOR SIGNAL MALFUNCTION; DTC C0215/34 LEFT REAR WHEEL SPEED SENSOR SIGNAL MALFUNCTION; 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); DTC C1332/38 RIGHT REAR SPEED SENSOR CIRCUIT; DTC C1333/39 LEFT REAR SPEED SENSOR CIRCUIT |
| 5. Check the brake actuator assembly with Techstream. (Check brake actuator assembly operation using the active test function) |
BRAKE ACTUATOR (W/O VSC) |
| 6. If the symptoms still occur even after the above circuits in suspected areas have been inspected and proved to be normal, replace the brake actuator assembly (skid control ECU) |
BRAKE ACTUATOR (W/O VSC) |
| ABS does not operate properly |
1. Check the DTC reconfirming that the normal system code is output. |
DTC CHECK / CLEAR |
| 2. Front speed sensor circuit |
DTC C0200/31 RIGHT FRONT WHEEL SPEED SENSOR SIGNAL MALFUNCTION; DTC C0205/32 LEFT FRONT WHEEL SPEED SENSOR SIGNAL MALFUNCTION; 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); DTC C1330/35 RIGHT FRONT SPEED SENSOR CIRCUIT; DTC C1331/36 LEFT FRONT SPEED SENSOR CIRCUIT |
| 3. Rear speed sensor circuit |
DTC C0210/33 RIGHT REAR WHEEL SPEED SENSOR SIGNAL MALFUNCTION; DTC C0215/34 LEFT REAR WHEEL SPEED SENSOR SIGNAL MALFUNCTION; 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); DTC C1332/38 RIGHT REAR SPEED SENSOR CIRCUIT; DTC C1333/39 LEFT REAR SPEED SENSOR CIRCUIT |
| 4. Stop light switch circuit |
DTC C1249/58 STOP LIGHT SWITCH CIRCUIT |
| 5. Check the brake actuator assembly with Techstream. (Check brake actuator assembly operation using the active test function) |
BRAKE ACTUATOR (W/O VSC) |
| 6. If the symptoms still occur even after the above circuits in suspected areas have been inspected and proved to be normal, replace the brake actuator assembly (skid control ECU) |
BRAKE ACTUATOR (W/O VSC) |
| ABS warning light malfunction (Remains on) |
1. ABS warning light circuit |
ABS WARNING LIGHT REMAINS ON |
| 2. Brake actuator assembly (skid control ECU) |
BRAKE ACTUATOR (W/O VSC) |
| ABS warning light malfunction (does not come on) |
1. ABS warning light circuit |
ABS WARNING LIGHT DOES NOT COME ON |
| 2. Brake actuator assembly (skid control ECU) |
BRAKE ACTUATOR (W/O VSC) |
| Brake warning light malfunction (Remains on) |
1. Brake warning light circuit |
BRAKE WARNING LIGHT REMAINS ON |
| 2. Brake actuator assembly (skid control ECU) |
BRAKE ACTUATOR (W/O VSC) |
| Brake warning light malfunction (Does not come on) |
1. Brake warning light circuit |
BRAKE WARNING LIGHT DOES NOT COME ON |
| 2. Brake actuator assembly (skid control ECU) |
BRAKE ACTUATOR (W/O VSC) |
| ABS sensor DTC check cannot be done |
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 |
| 4. TS and CG terminal circuit |
TS AND CG TERMINAL CIRCUIT |
| 5. When the above areas (1., 2. and 3.) are all normal but the problem still occurs, replace the brake actuator assembly (skid control ECU). |
BRAKE ACTUATOR (W/O VSC) |