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.
Right Front Door Unlock Detection Switch Circuit
Verify door unlock detection switch operation. See appropriate DOOR UNLOCK DETECTION SWITCH under TESTING ANTI-THEFT SYSTEM COMPONENTSΒ . Turn ignition off and disconnect ATS ECU connector. Close and unlock right front door. Ensure continuity exists between ground and ATS ECU connector terminal A7 (with power door locks, Pink wire) or No. 12 (without power door locks, Pink wire). If continuity is not present, repair open in harness or connector as necessary. If continuity is present, replace ATS ECU and retest.
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.