1. DTC C111B[12] description
The rear bumper and front bumper (models with front sonar sensors) have 4 sonar sensors each. The sonar sensors measure the distance from an obstacle and send it to the parking aid system control unit. The parking aid system control unit determines the distance from an obstacle based on the signals received from the sonar sensors. If the parking aid system control unit detects a malfunction in the rear inner left sonar sensor signal circuit, the DTC is set.
2. Condition for setting DTC C111B[12]
Condition for running the DTC
- The ignition switch is ON.
- The shift lever is in the R position.
- DTC C1117[11] is not set.
Refer to "75.Driver Assistance System 10W.Troubleshooting(Parking Aid) DTC C1117[11] Parking Aid Rear Sensor Internal Supply - Circuit Short to Ground".
Condition for setting the DTC
- The parking aid system control unit detects a short to the power supply in the rear inner left sonar sensor signal circuit for 1 second or more.
3. Action taken when DTC C111B[12] sets
- The obstacle detection function is deactivated.
- The master warning light illuminates.
- The parking aid system OFF indicator light illuminates.
- Current and past failures are set.