Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
EBD Function
ABS warning lamp, brake warning lamp and SLIP indicator lamp in combination meter turn ON when a malfunction occurs in system [ABS actuator and electric unit (control unit)]. The control is suspended for VDC, TCS, ABS and EBD functions.
| DTC | Malfunction detected condition | Fail-safe condition |
|---|---|---|
| C1101 | When an open circuit is detected in rear RH wheel sensor circuit. | The following functions are suspended:
|
| C1102 | When an open circuit is detected in rear LH wheel sensor circuit. | |
| C1103 | When an open circuit is detected in front RH wheel sensor circuit. | |
| C1104 | When an open circuit is detected in front LH wheel sensor circuit. | |
| C1105 |
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| C1106 |
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| C1107 |
|
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| C1108 |
|
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| C1109 |
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The following functions are suspended:
|
| C1110 | When there is an internal malfunction in the ABS actuator and electric unit (control unit). | |
| C1111 | When a malfunction is detected in motor or motor relay. | The following functions are suspended:
|
| C1115 | When difference in wheel speed between any wheel and others is detected when the vehicle is driven, because of installation of tires other than specified. | The following functions are suspended:
|
| C1116 | When stop lamp switch signal is not input when brake pedal operates. | The following functions are suspended:
|
| C1120 | When a malfunction is detected in front LH ABS IN valve. | The following functions are suspended:
|
| C1121 | When a malfunction is detected in front LH ABS OUT valve. | |
| C1122 | When a malfunction is detected in front RH ABS IN valve. | |
| C1123 | When a malfunction is detected in front RH ABS OUT valve. | |
| C1124 | When a malfunction is detected in rear LH ABS IN valve. | |
| C1125 | When a malfunction is detected in rear LH ABS OUT valve. | |
| C1126 | When a malfunction is detected in rear RH ABS IN valve. | |
| C1127 | When a malfunction is detected in rear RH ABS OUT valve. | |
| C1130 | When a malfunction is detected in ECM system. | The following functions are suspended:
|
| C1140 | When a malfunction is detected in actuator relay. | The following functions are suspended:
|
| C1142 | When a malfunction is detected in VDC pressure sensor. | The following functions are suspended:
|
| C1143 | When a malfunction is detected in steering angle sensor. | |
| C1144 | When neutral position adjustment of steering angle sensor is not complete. | |
| C1145 | When a malfunction is detected in yaw rate signal, or signal line of yaw rate/side/decel G sensor is open or shorted. | |
| C1146 | When a malfunction is detected in side G signal, or signal line of yaw rate/side/decel G sensor is open or shorted. | |
| C1153 | When ABS actuator and electric unit (control unit) is malfunctioning. (Pressure increase is too much or too little.) | The following functions are suspended:
|
| C1155 | When brake fluid level low signal is detected. | The following functions are suspended:
|
| C1164 | When a malfunction is detected in cut valve 1. | The following functions are suspended:
|
| C1165 | When a malfunction is detected in cut valve 2. | |
| C1166 | When a malfunction is detected in suction valve 1. | |
| C1167 | When a malfunction is detected in suction valve 2. | |
| C1170 | When the information in ABS actuator and electric unit (control unit) is not the same. | The following functions are suspended:
|
| U1000 | When CAN communication signal is not continuously transmitted or received for 2 seconds or more. | The following functions are suspended:
|
| U1002 | When ABS actuator and electric unit (control unit) is not transmitting or receiving CAN communication signal for 2 seconds or less. | |
| U1010 | When detecting error during the initial diagnosis of CAN controller of ABS actuator and electric unit (control unit) |
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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