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.
Warning Lamp Control
- ABS warning lamp module
The ABS warning lamp module indicates the operating condition of the ABS.
The ABS warning lamp is turned on under the following conditions.
- During the initialization phase after ignition switch ON (3 seconds).
- In the event of inhibition of ABS functions by failure.
- When the system ECU is shut down even though ignition power is applied.
- During diagnostic mode.
- When the HECU connector is disconnected.
- EBD warning lamp module
The EBD warning lamp module indicates the operating condition of the EBD. However, in case the parking brake switch is turned on, the EBD warning lamp is always turned on regardless of EBD functions.
The EBD warning lamp is turned on under the following conditions.
- During the initialization phase after ignition switch ON (3 seconds).
- When the system ECU is shut down even though ignition power is applied.
- When the parking brake switch is ON or brake fluid is low level.
- In the event of inhibition of EBD functions by failure.
- TCS lamp module
The TCS warning lamp module indicates the operating condition of the TCS.
The TCS warning lamp is turned on under the following conditions:
- During the initialization phase after ignition switch ON (3 seconds).
- In the event of inhibition of TCS functions by failure.
- When the TCS OFF switch is turned on.
TCS function lamp is turned on when the TCS functions are operating (Blinking-2Hz).
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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.