2003 Mazda B2300 Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Configuration Procedure - MAZDA6

NOTE: PCM stores DTC P0602 and illuminates MIL even though no malfunction is detected (system is normal). This will occur after PCM is replaced with a new one or after completing PCM Configuration procedure. Clear DTC P0602 using WDS or equivalent. MIL also goes off after three drive cycles with no failure (DTCs remain in PCM).
  1. Connect WDS or equivalent to DLC-2.
  2. Set up WDS (including vehicle recognition).
  3. Select MODULE PROGRAMMING.
  4. Select PROGRAMMABLE MODULE INSTALLATION.
  5. Select PCM and perform procedures according to directions on WDS screen.
  6. Retrieve DTCs with WDS or equivalent, then verify there is no DTC present. If DTC is present, perform applicable DTC diagnostic procedure. Refer to appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.
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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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