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 Select Unlock Relay
- CHECK SELECT UNLOCK RELAY POWER SUPPLY
- Turn ignition switch OFF.
- Disconnect passenger side select unlock relay connector.
- Check voltage between passenger side select unlock relay connector M30 terminal 1 and ground.
1 (L/R) - Ground : Approx. 12V
OK or NG
OK : GO TO 2.
NG : Repair or replace passenger side select unlock relay power supply circuit.
- CHECK HARNESS
- Disconnect Intelligent Key unit connector.
- Check continuity between passenger side select unlock relay connector M30 terminal 2 and Intelligent Key unit connector M34 terminal 40.
2 (BR/W) - 40 (BR/W) : Continuity should exist.
- Check continuity between passenger side select unlock relay connector M30 terminal 2 and ground.
2 (BR/W) - Ground : Continuity should not exist.
OK or NG
OK : Replace passenger side select unlock relay.
NG : Repair or replace harness between passenger side select unlock relay and Intelligent Key unit.
NO RELATED
Use the Manual With the Right Hardware
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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.