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.
Key Cylinder Switch Test
Remove appropriate front door panel or remove tailgate trim panel. See FRONT DOOR PANEL or TAILGATE TRIM PANEL under REMOVAL & INSTALLATION. Disconnect key cylinder switch 3-pin connector. Check continuity between key cylinder switch terminals with key cylinder switch in indicated positions. See Fig 1 . See KEY CYLINDER SWITCH CONTINUITY TEST table. If continuity is as specified, key cylinder switch is okay. If continuity is not as specified, replace key cylinder switch.
| Application & Switch Position | Continuity Between Terminals No. | |||
|---|---|---|---|---|
| Driver's Door | ||||
| Lock | 2 & 3 | |||
| Off | (1) | |||
| Unlock | 1 & 2 | |||
| Passenger's Door | ||||
| Lock | 1 & 2 | |||
| Off | (1) | |||
| Unlock | 2 & 3 | |||
| Tailgate | ||||
| Lock | 1 & 3 | |||
| Off | (1) | |||
| Unlock | 1 & 2 | |||
|
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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.