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 MPV ESFACTORY OEM SERVICE PROCEDURE
Powertrain Control Module Configuration
- Connect the WDS tester or equivalent to DLC-2. See Fig 1.
- Set up the WDS or equivalent (including the vehicle recognition).
- Select MODULE PROGRAMMING.
- Select PROGRAMMABLE MODULE INSTALLATION.
- Select PCM and perform procedures according to directions on the WDS or equivalent screen.
- If PCM configuration is successful, the PCM stores the DTC P0602 and illuminates the MIL. System is normal. Clear the DTC P0602 using WDS or equivalent. To clear DTC P0602, appropriate SELF DIAGNOSTICS article in ENGINE PERFORMANCE. MIL goes off after 3 drive cycles with no failure. DTCs remain in PCM.
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.
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