FAIL-SAFE FUNCTION
When a malfunction occurs in the pre-collision system, a message will be displayed on the multi-information display and the pre-collision system will be disabled depending on the malfunction.
| Warning Message | Cause | DTC/RoB | Conditions to Return to Normal |
|---|---|---|---|
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | C142571 | for HV Model:
The system stops receiving stop light drive relay malfunction signals from the No. 2 skid control ECU (brake actuator assembly) after turning the ignition switch from off to ON for Gasoline Model:
The system stops receiving stop light drive relay malfunction signals from the skid control ECU (brake actuator assembly) after turning the ignition switch from off to ON |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | U010087 | Communication with ECM is restored to normal |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | U010187 | for HV Model:
Communication with the hybrid control ECU is restored to normal for Gasoline Model:
Communication with the TCM is restored to normal |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | U012687 | Communication with steering sensor is restored to normal |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | U012987 | for HV Model:
Communication with the No. 2 skid control ECU (brake actuator assembly) is restored to normal for Gasoline Model:
Communication with the skid control ECU (brake actuator assembly) is restored to normal |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | U013187 | Communication with rack and pinion power steering gear assembly returns to normal |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | U023587 | Communication with the millimeter wave radar sensor assembly is restored to normal |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | U023A87 | for HV Model:
Communication with the No. 2 skid control ECU (brake actuator assembly) is restored to normal for Gasoline Model:
Communication with the skid control ECU (brake actuator assembly) is restored to normal |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | U029387 | Communication with the hybrid control ECU is restored to normal |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | U030051 | for HV Model:
Approximately 3 seconds or more elapse after the forward recognition camera judges the vehicle information sent from the hybrid vehicle control ECU for Gasoline Model:
Approximately 3 seconds or more elapse after the forward recognition camera judges the vehicle information sent from the ECM |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | U030057 | for HV Model:
The vehicle information from the hybrid vehicle control ECU and the information stored by the forward recognition camera match for Gasoline Model:
The vehicle information from the ECM and the information stored by the forward recognition camera match |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | U032851 | Information sent from the steering sensor indicating whether the vehicle is equipped with the variable gear ratio steering system is confirmed |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | U032857 | The information value sent from the steering sensor indicating whether the vehicle is equipped with the variable gear ratio steering system matches that stored by the forward recognition camera |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | U041881 | for HV Model:
The system stops receiving brake control system malfunction signals from the No. 2 skid control ECU (brake actuator assembly) after turning the ignition switch from off to ON for Gasoline Model:
The system stops receiving brake control system malfunction signals from the skid control ECU (brake actuator assembly) after turning the ignition switch from off to ON |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | X2000 | for HV Model:
The system stops receiving yaw rate sensor malfunction signals from the No. 2 skid control ECU (brake actuator assembly) or airbag ECU assembly after turning the ignition switch from off to ON for Gasoline Model:
The system stops receiving yaw rate sensor malfunction signals from the skid control ECU (brake actuator assembly) or airbag ECU assembly after turning the ignition switch from off to ON |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | X2001 | The system stops receiving steering angle sensor malfunction signals from the steering sensor after the ignition switch is turned from off to ON |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | X2002 | for HV Model:
The system stops receiving hybrid vehicle control system malfunction signals from the hybrid vehicle control ECU for Gasoline Model:
The system stops receiving SFI system malfunction signals from the ECM |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | X2003 | for HV Model:
The system stops receiving electronically controlled brake system malfunction signals from the No. 2 skid control ECU (brake actuator assembly) for Gasoline Model:
The system stops receiving electronically controlled brake system malfunction signals from the skid control ECU (brake actuator assembly) |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | X2011 | The forward recognition camera is no longer able to detect destination unconfirmed malfunctions |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | X2012 | The system is no longer able to detect forward recognition camera malfunctions after turning the ignition switch from off to ON |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | X2013 | The forward recognition camera is no longer able to detect camera axis misaligned malfunctions after turning the ignition switch from off to ON |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | X2014 | The forward recognition camera is no longer able to detect axis not adjusted malfunctions |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | X2018 | The forward recognition camera is no longer able to detect hot-wire heater malfunctions after turning the ignition switch from off to ON |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | X201D | The forward recognition camera is no longer able to detect destination malfunction signals |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | X2020 | The system stops receiving destination malfunction signals from the millimeter wave radar sensor assembly |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | X2021 | The system stops receiving malfunction signals from the millimeter wave radar sensor after turning the ignition switch from off to ON |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | X2022 | The system stops receiving axis misalignment signals from the millimeter wave radar sensor after turning the ignition switch from off to ON |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | X2023 | The system stops receiving beam axis not adjusted signals from the millimeter wave radar sensor assembly |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | X2160 | After ECU security key update performed |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | X2162 | After ECU security key update performed |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | X2163 | After ECU security key update performed |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | XF01B | After ECU security key update performed |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | X2070 | The system stops receiving forward recognition camera communication malfunction signals output from the millimeter wave radar sensor assembly |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | X2074 | The signal from the power steering ECU (rack and pinion power steering gear assembly) indicating communication malfunction with the millimeter wave radar sensor assembly is no longer received |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | X2081 | After the ignition switch from off to ON, the signal indicating power steering system steering assist unavailable is no longer received from the power steering ECU (rack and pinion power steering gear assembly) |
| "Pre-Collision System Malfunction Visit Your Dealer" is displayed | Pre-collision system malfunction | X2082 | After the ignition switch from off to ON, the signal indicating steering assist angle malfunction is no longer received from the power steering ECU (rack and pinion power steering gear assembly) |
| "Pre-Collision System Radar In Self Calibration Unavailable See Owner's Manual" is displayed | Millimeter wave radar sensor assembly axis is misaligned | X2025 | Millimeter wave radar sensor beam axis adjustment is completed and beam axis learning is completed |
| "Pre-Collision System Radar Sensor Blocked Unavailable Clean Radar Sensor" is displayed | Foreign matter attached to millimeter wave radar sensor assembly | X2026 | Millimeter wave radar sensor assembly is cleaned |
| "Pre-Collision System Out of Temperature Range Unavailable See Owner's Manual" is displayed | Millimeter wave radar sensor assembly temperature malfunction | X2027 | Millimeter wave radar sensor temperature returns to normal |
| "Pre-Collision System Unavailable See Owner's Manual" is displayed | Millimeter wave radar sensor assembly low voltage malfunction | X2028 | Millimeter wave radar sensor voltage returns to normal |
| "Front Camera Low Visibility Unavailable See Owner's Manual" is displayed | ·
Windshield glass is dirty or fogged up ·
Forward recognition camera is dirty or fogged up |
X2015 | Forward recognition camera or area of windshield glass in front of forward recognition camera is cleaned |
| "Front Camera Out of Temperature Range Unavailable Wait until Normal Temperature" is displayed | Forward recognition camera temperature outside of operational range | X2016 | Forward recognition camera temperature returns to normal |
| "Front Camera Unavailable See Owner's Manual" is displayed | Outside of forward recognition camera guaranteed operating voltage | X2017 | Forward recognition camera voltage returns to normal |
| "Front Camera Unavailable See Owner's Manual" is displayed | Forward recognition camera is temporarily unavailable (forward recognition camera recognition stopped) | X201F | After forward recognition camera returns to normal |