2002 Mazda B2300 StandardFACTORY OEM SERVICE PROCEDURE

Module Inspection & Verification: Notes

  1. Visually inspect for obvious signs of electrical damage.
    1. Central Junction Box (CJB) Fuse 5 (10A).
    2. Damaged wiring harness.
    3. Loose or corroded connectors.
    4. 4WABS control module.
      • If the concern remains after inspection, connect the WDS or equivalent Tester to the Data Link Connector (DLC) located beneath the instrument panel and select the vehicle to be tested from WDS or equivalent Tester menu.
      • If WDS or equivalent Tester does not communicate with the vehicle:
    5. Check that the program card is properly installed.
    6. Check the connections to the vehicle.
    7. Check the ignition switch is in RUN position.
  2. Refer to the SYMPTOM TROUBLESHOOTING CHART .
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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