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.
2009 Mazda 6 V6-3.7LFACTORY OEM SERVICE PROCEDURE
Keyless Control Module Inspection [Advanced Keyless Entry And Push Button Start System]
KEYLESS CONTROL MODULE INSPECTION [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM]
1. Remove the front scuff plate. Front Scuff Plate Removal/Installation
2. Remove the front side trim. Front Side Trim Removal/Installation
3. Measure the voltage according to the terminal voltage table.
- If the voltages cannot be verified as indicated in the terminal voltage table, inspect the parts under "Inspection item (s)".
- If the system does not work normally even though the inspection items or related wiring harnesses do not have any malfunction, replace the keyless control module.
Terminal Voltage Table (Reference)
Terminal Voltage Table (Reference) (Part 1):
Terminal Voltage Table (Reference) (Part 2):
Terminal Voltage Table (Reference) (Part 3):
Terminal Voltage Table (Reference) (Part 4):
*1
MTX
*2
ATX
Generated pulse (reference)
- Terminal: 3P (+) -> body ground (-)
- Oscilloscope setting: 2 V/DIV (Y), 1 ms/DIV (X), DC range
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:
- • 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.
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