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.
Fail-Safe Control Mode
System operates in fail-safe control mode if computing function of BCM is determined to be faulty. If BCM sends no signal or abnormal signal to LCU 15 consecutive times, system will set LCU in fail-safe condition. During fail-safe control mode, the LAN-controlled electrical systems operate as follows. See FAIL-SAFE CONTROL MODE OPERATION table.
| Electrical System | Electrical Load | Specification | ||
|---|---|---|---|---|
| Power Window Control | All Window Motors (UP/DOWN) | Inoperative | ||
| Power Door Lock Control | All Door Lock Motors (LOCK/UNLOCK) | Inoperative | ||
| Automatic Drive Positioner Control | Steering Switch Tilt Motor (UP/DOWN) | Inoperative | ||
| Automatic Drive Positioner Control | Steering Switch Tilt Motor (UP/DOWN) | Inoperative | ||
| Automatic Drive Positioner Control | Steering Switch Telescopic Motor (FRONT/REAR) | Inoperative | ||
| Automatic Drive Positioner Control | Seat Sliding Motor (FRONT/REA | Inoperative | ||
| Automatic Drive Positioner Control | Seat Reclining Motor (FRONT/REAR) | Inoperative | ||
| Automatic Drive Positioner Control | Seat Lifting Front/Rear Motors (UP/DOWN) | Inoperative | ||
| Automatic Drive Positioner Control | Headrest Motor (UP/DOWN) | Inoperative | ||
| Automatic Drive Positioner Control | Left & Right Door Mirror Motors | Inoperative | ||
| Automatic Drive Positioner Control | Memory Switch Indicators | Off | ||
| Passenger's Power Seat Control | Seat Sliding Motor (FRONT/REAR) | Inoperative | ||
| Passenger's Power Seat Control | Seat Reclining Motor (FRONT/REAR) | Inoperative | ||
| Passenger's Power Seat Control | Seat Lifting Front Motor (UP/DOWN) | Inoperative | ||
| Passenger's Power Seat Control | Headrest Motor (UP/DOWN) | Inoperative | ||
| Intermittent Wiper Control | Intermittent Wiper | Operates | ||
| Intermittent Wiper Control | Wiper/Washer Switch (UP/DOWN) | Operates | ||
| Rear Window Defogger Timer Control | Rear Window Defogger/ Door Mirror Heater | Operates | ||
| Ignition Key Warning Control | Chime | Operates | ||
| Light Warning Control | Chime | Operates | ||
| Interior Light Timer Control | Interior Light | Operates | ||
| Interior Light Timer Control | Key Illumination | Operates | ||
| Seat Belt Timer Control | Chime | Operates | ||
| Door Key Hole Illumination Control | All | Off | ||
| Theft Warning Control | Horn Relay | Operates | ||
| Theft Warning Control | Theft Warning Relay | Operates | ||
| Theft Warning Control | Indicator Light | Operates | ||
| Step Light Control | All Step Lights | Off | ||
| Illumination Control Illumination | All Power Window Switch | Off | ||
| Multi-Remote Control | Trunk Lid Release Actuator | (1) Inoperative | ||
| Multi-Remote Control | Hazard Warning Lights | (1) Inoperative | ||
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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.
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