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 Mazdaspeed3 L4-2.3L TurboFACTORY OEM SERVICE PROCEDURE
Pinout Values and Diagnostic Parameters
PASSENGER JUNCTION BOX (PJB) INSPECTION
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):
Terminal Voltage Table (Reference) (Part 5):
Terminal Voltage Table (Reference) (Part 6):
Terminal Voltage Table (Reference) (Part 7):
Terminal Voltage Table (Reference) (Part 8):
Terminal Voltage Table (Reference) (Part 9):
Terminal Voltage Table (Reference) (Part 10):
Terminal Voltage Table (Reference) (Part 11):
Terminal Voltage Table (Reference) (Part 12):
Terminal Voltage Table (Reference) (Part 13):
Terminal Voltage Table (Reference) (Part 14):
Terminal Voltage Table (Reference) (Part 15):
*1
With DRL
*2
Without DRL
*3
With auto light and auto wiper system
*4
4 door
*5
5 door
Factory Service Tools
Use the Manual With the Right Hardware
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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.