DTC C1AA3: Vehicle Speed Sensor Circuit [08/2016 - ]: Description
The pre-collision city sensor receives vehicle speed signals from the skid control ECU (brake actuator assembly). When the skid control ECU (brake actuator assembly) detects a malfunction in a wheel speed sensor, the pre-collision city sensor is notified via CAN communication and DTC C1AA3 is stored.
| DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
| C1AA3 |
Vehicle Speed Sensor Circuit |
Both of the following conditions are met:
- All of the following conditions are met:
- 3 seconds have elapsed since the ignition switch was turned to ON.
- The battery voltage is 10 V or more for 3 seconds or more.
- All of the following conditions are met for 1 second or more:
- Communication between the pre-collision city sensor and skid control ECU (brake actuator assembly) is normal.
- The pre-collision city sensor receives a wheel speed sensor malfunction signal from the skid control ECU (brake actuator assembly).
|
- Vehicle stability control system
- Skid control ECU (Brake actuator assembly)
- Pre-collision city sensor
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