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.
2003 Mazda B2300 Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Illuminated Entry Subsystem
- The illuminated entry feature (GEM only) activates the interior lamps.
- The GEM illuminates the interior lamps when an unlock signal is received from the RAP module.
- Illuminated entry inputs are:
- RAP illuminated entry request (grounded pulse of varying length).
- Ignition in RUN (battery voltage on both the RUN and RUN/ACC inputs).
- Illuminated entry output is:
- Interior lamp relay coil output.
- Grounded when activated.
- Open circuit when deactivated.
- The RAP module sends a signal to the GEM to turn the illuminated entry on or off.
- Illuminated entry will be canceled if:
- 25 seconds have elapsed since the illuminated entry feature was activated and the courtesy lamp feature is not activated.
- If the GEM receives a request from the RAP and the courtesy lamp feature is not activated.
- If the ignition is in the RUN or START position and the courtesy lamp feature is not activated.
Illuminated entry inputs are:
- Ignition switch in the key-in, ACCY and RUN positions.
- RAP module illuminated entry request.
Factory Service Tools
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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.
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