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.
Component Function Check
- CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
Check ("KEY CYL LK-SW", "KEY CYL UN-SW") in "DATA MONITOR" mode for "POWER DOOR LOCK SYSTEM" with CONSULT. Refer to "INTELLIGENT KEY: CONSULT FUNCTION (BCM - INTELLIGENT KEY) ".
Monitor item Condition KEY CYL LK-SW Lock : ON Neutral / Unlock : OFF KEY CYL UN-SW Unlock : ON Neutral / Lock : OFF Is the inspection result normal?
YES: Door key cylinder switch is OK.
NO: Refer to "DIAGNOSIS PROCEDURE ".
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.