2003 Mazda B4000 Base, StandardFACTORY OEM SERVICE PROCEDURE

Comprehensive Component Monitor Repair Verification Drive Cycle

  1. Ensure Vehicle Preparation has been performed. See OBD-II DRIVE CYCLE  . On M/T vehicles, accelerate 0-50 MPH, then stop vehicle. Go to next step. On A/T vehicles, from a stop, in overdrive, moderately accelerate to 50 MPH and cruise for at least 15 seconds. Stop vehicle and repeat without overdrive to 40 MPH and cruise for at least 30 seconds. While at 40 MPH, activate overdrive and accelerate to 50 MPH and cruise for at least 15 seconds. Stop vehicle for at least 20 seconds, then repeat this procedure 5 times. After repeating this procedure 5 times, stop vehicle. Go to next step.
  2. Accelerate to 65 MPH. Without applying brakes, decelerate at closed throttle until vehicle reaches 40 MPH. Repeat this procedure 3 times. After repeating this procedure 3 times, verify no DTCs are set with the exception of DTC P1000.
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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