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.
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HOMESERVICE MANUALSACURA2010TL FWD V6-3.5LREPAIR AND DIAGNOSISBODY AND FRAMELOCKSKEYLESS ENTRYTESTING AND INSPECTIONCOMPONENT TESTS AND GENERAL DIAGNOSTICSDOOR KEY CYLINDER SWITCH TEST
2010 Acura TL FWD V6-3.5L
Door Key Cylinder Switch Test
2010 Acura TL FWD V6-3.5LSECTION Door Key Cylinder Switch Test
Door Key Cylinder Switch Test
1. Remove the driver's door panel Front Door Panel Removal/Installation.
2. Disconnect the 10P connector (A) from the door lock actuator (key cylinder switch) (B).
3. Check for continuity between the terminals.
- There should be continuity between terminals No. 9 and No. 5 when the door key cylinder switch is in LOCK position.
- There should be no continuity between terminals No. 9 and No. 5 when the door key cylinder switch is in the neutral or UNLOCK position.
- There should be continuity between terminals No. 8 and No. 5 when the door key cylinder switch is in UNLOCK position.
- There should be no continuity between terminals No. 8 and No. 5 when the door key cylinder switch is in the neutral or LOCK position.
- There should be no continuity between terminals No. 8 and No. 9 when the key is in the neutral position.
4. If the continuity is not as specified, the switch is faulty; replace the door latch Service and Repair.
RENDER: 1.0x
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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.