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.
Driving Assistance / Warning Systems - Testing & Troubleshooting (Except Hybrid)
2015 Acura RLXSECTION Driving Assistance / Warning Systems - Testing & Troubleshooting (Except Hybrid)
- Body Dimensions
- Forward Collision Warning (FCW) Symptom Troubleshooting
- Both FCW and LDW indicator do not go off (2014 2015 2016)
- FCW indicator does not blink/FCW warning buzzer does not sound when the system is warning (FCW/LDW camera unit is ok) (2014 2015 2016)
- FCW indicator does not come on (LDW indicator is ok) (2014 2015 2016)
- FCW indicator does not go off (LDW indicator is ok) (2014 2015 2016)
- Lane Departure Warning (LDW) Symptom Troubleshooting
- LDW OFF switch does not work or OFF indicator does not come on (2014 2015 2016)
- LDW indicator does not blink/LDW warning buzzer does not sound when the system is warning (FCW/LDW camera unit is ok) (2014 2015 2016)
- LDW indicator does not come on (FCW indicator is ok) (2014 2015 2016)
- LDW indicator does not go off (FCW indicator is ok) (2014 2015 2016)
- Road Departure Mitigation Symptom Troubleshooting
- Connector View
- Auto High-Beam (High-Beam Support System) Control Unit Connector for Inputs and Outputs (2018 2019 2020)
- FCW/LDW Camera Unit Connector for Inputs and Outputs (FCW) (2014 2015 2016)
- FCW/LDW Camera Unit Connector for Inputs and Outputs (LDW) (2014 2015 2016)
- Multipurpose Camera Unit Connector for Inputs and Outputs (2016 2017)
- Multipurpose Camera Unit Connector for Inputs and Outputs (2018 2019 2020)
- Rewrite
- How to Information
- How to Troubleshoot the Forward Collision Warning (FCW) (2014 2015 2016)
- FCW Indicator (Amber)
- Multi-Information Display (MID) Indication
- FCW System Customization
- Self-Diagnostic Function
- FCW/LDW Camera Unit
- Dirt or dust detective function (CLEAN FCW/LDW CAMERA Indication)
- System Protect Function (High temperature) (FCW/LDW CAMERA HOT Indication)
- FCW/LDW Camera Aiming Function
- Heads-Up Warning Unit
- CAN Communications
- Intermittent Failures
- How to Troubleshoot DTCs
- How to Retrieve DTCs
- How to Clear DTCs
- How to Troubleshoot the Road Departure Mitigation (2016 2017 2018 2019 2020)
- RDM Indicator
- Multi-Information Display (MID) Indication
- Self-Diagnostic Function
- Multipurpose Camera Unit
- Dirt or dust detective function (CLEAN FRONT WINDSHIELD Indication)
- System Protect Function (High temperature) (MULTIPURPOSE CAMERA HOT Indication)
- Multipurpose Camera Aiming Function
- CAN Communications
- Intermittent Failures
- How to Troubleshoot DTCs
- How to Retrieve DTCs
- How to Clear DTCs
- How to Troubleshoot the Forward Collision Warning (FCW) (2014 2015 2016)
- Symptom Troubleshooting Index
- Driving Support Symptom Troubleshooting Index (2016 2017 2018 2019 2020)
- Forward Collision Warning (FCW) Symptom Troubleshooting Index (FCW) (2014 2015 2016)
- Lane Departure Warning (LDW) Symptom Troubleshooting Index (LDW) (2014 2015 2016)
- Road Departure Mitigation Symptom Troubleshooting Index (Road Departure Mitigation) (2016 2017 2018 2019 2020)
- Component Location Index
- Auto High-Beam (High-Beam Support System) Component Location Index (KA model) (2018 2019 2020)
- Forward Collision Warning (FCW) Component Location Index (2014 2015 2016)
- Lane Departure Warning (LDW) Component Location Index (2014 2015 2016)
- Road Departure Mitigation Component Location Index (2016 2017 2018 2019 2020)
- Symptom Troubleshooting Index for Viewer
- Both FCW and LDW indicators come on at the same time (Temperature too hot) (FCW) (2014 2015 2016)
- Both FCW and LDW indicators come on at the same time (Temperature too hot) (LDW) (2014 2015 2016)
- Both FCW and LDW indicators do not go off (FCW) (2014 2015 2016)
- Both FCW and LDW indicators does not go off (LDW) (2014 2015 2016)
- FCW indicator does not blink when the system is warning (FCW/LDW camera unit is ok) (FCW) (2014 2015 2016)
- FCW indicator does not come on (LDW indicator is ok) (FCW) (2014 2015 2016)
- FCW indicator does not go off (LDW indicator is ok) (FCW) (2014 2015 2016)
- FCW system does not warn when warning is necessary (FCW) (2014 2015 2016)
- FCW system warns when warning is unnecessary (FCW) (2014 2015 2016)
- FCW warning buzzer does not sound when the system is warning (FCW/LDW camera unit is ok) (FCW) (2014 2015 2016)
- HDS does not communicate with the FCW/LDW camera unit (FCW) (2014 2015 2016)
- HDS does not communicate with the FCW/LDW camera unit (LDW) (2014 2015 2016)
- HDS does not communicate with the multipurpose camera unit (2016 2017 2018 2019 2020)
- LDW OFF switch does not work or OFF indicator does not come on (LDW) (2014 2015 2016)
- LDW indicator does not blink when the system is warning (FCW/LDW camera unit is ok) (LDW) (2014 2015 2016)
- LDW indicator does not come on (FCW indicator is ok) (LDW) (2014 2015 2016)
- LDW indicator does not go off (FCW indicator is ok) (LDW) (2014 2015 2016)
- LDW system does not warn when warning is necessary (LDW) (2014 2015 2016)
- LDW system warns when warning is unnecessary (LDW) (2014 2015 2016)
- LDW warning buzzer does not sound when the system is warning (FCW/LDW camera unit is ok) (LDW) (2014 2015 2016)
- RDM indicator does not come on (Road Departure Mitigation) (2016 2017 2018 2019 2020)
- RDM indicator does not go off (Road Departure Mitigation) (2016 2017 2018 2019 2020)
- RDM system does not warn when warning is necessary (Road Departure Mitigation) (2016 2017 2018 2019 2020)
- RDM system warns when warning is unnecessary (Road Departure Mitigation) (2016 2017 2018 2019 2020)
- RDM warning buzzer does not sound (Road Departure Mitigation) (2016 2017 2018 2019 2020)
- DTC Troubleshooting Index
- Description
- Auto High-Beam (High-Beam Support System) Description - Control/Function (2018 2019 2020)
- Auto High-Beam (High-Beam Support System) Description - Failsafe Function (2018 2019 2020)
- Driving Support System Description - Overview (2016 2017)
- Driving Support System Description - Overview (2018 2019 2020)
- Forward Collision Warning System Description - Overview (2014 2015 2016)
- Forward Collision Warning System Description - System Diagram (2014 2015 2016)
- Lane Departure Warning System Description - Overview (2014 2015 2016)
- Lane Departure Warning System Description - System Diagram (2014 2015 2016)
- Road Departure Mitigation System Description - Overview (2016 2017 2018 2019 2020)
- Road Departure Mitigation System Description - System Diagram (2016 2017 2018 2019 2020)
- Adjustment
- Circuit Diagram
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.