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.
Keyfob Function (Lock) Check
2012 Nissan-Datsun Sentra SE-RSECTION Keyfob Function (Lock) Check
NOTE:
The Signal Tech II tool (J-50190) can be used to test the remote keyless entry keyfob relative signal strength. Refer to the
Signal Tech II User Guide for additional information.
- CHECK KEYFOB FUNCTION
With CONSULT
Check keyfob function in "DATA MONITOR" mode with CONSULT. When pushing lock button of keyfob, the corresponding monitor item should be turned as follows.
Test item Condition KEYLESS LOCK Pushing LOCK button: ON Other than above: OFF OK or NG
OK: Keyfob is OK.
NG: Replace keyfob.
RENDER: 1.0x
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.