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.
Check Intelligent Key Unit Power Supply and Ground Circuit
- CHECK POWER SUPPLY CIRCUIT
- Turn ignition knob OFF position.
- Disconnect Intelligent Key unit connector.
- Check voltage between Intelligent Key unit connector and ground.VOLTAGE SPECIFICATIONS
Connector Terminal (Wire color) Ignition knob position M34 (+) (-) OFF ACC ON 6 (W) Ground 0V 0V Battery voltage 10 (LG) 0V Battery voltage Battery voltage 11 (L/R) Battery voltage Battery voltage Battery voltage
OK or NG
OK : GO TO 2.
NG : Repair or replace Intelligent Key power supply circuit.
- CHECK GROUND CIRCUIT
Check continuity between Intelligent Key unit connector M34 terminal 12 (B) and ground.
12 (B) - Ground : Continuity should exist.
OK or NG
OK : Power supply and ground circuits are normal.
NG : Repair or replace the Intelligent Key unit ground circuit.
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.