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.
Power Source Mode does not Change to ON (IG and ACC) [12/2017 - ]: Description
If any of the following operations are performed, the certification ECU (smart key ECU assembly) receives a signal, and changes the power source mode.
- With the electrical key transmitter sub-assembly in the cabin, the engine switch is pressed.
- When the transmitter battery in the electrical key transmitter sub-assembly is depleted, touch the electrical key transmitter sub-assembly to the surface of the engine switch while depressing the brake pedal*1 or clutch pedal*2.
- When the entry cancel function is set by customize operation, touch the electrical key transmitter sub-assembly to the surface of the engine switch while depressing the brake pedal*1 or clutch pedal*2.
- *1: for Automatic Transmission
- *2: for Manual Transmission
HINT:
When the battery cable is disconnected and reconnected, the power source returns to the mode it was in before the battery cable was disconnected.
| Problem Symptom | Data List Item | Active Test Item |
|---|---|---|
| Power source mode does not change to on (IG) or on (ACC) | Power Source Control
Engine
|
- |
NO RELATED
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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.