2000 Mazda B3000 SX, AutomaticFACTORY OEM SERVICE PROCEDURE

Pcm Quick Test

PCM QUICK STEP INSPECTION

STEP INSPECTION ACTION
1 RECORD CONTINUOUS MEMORY DTC AND FREEZE FRAME DATA (FFD)
  • Connect NGS Tester to Data Link Connector (DLC).
  • Key ON, Engine OFF (KOEO).
  • Retrieve all stored DTCs.
  • Are any DTCs present?Β 
Yes Record all stored DTCs (Continuous Memory DTC) and Freeze Frame Data (FFD) on repair order.
Go to next step.
No Go to next step.
2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY
  • Check for related Service Bulletins and/or on-line repair information availability.
  • Is any related repair information available?Β 
Yes Perform repair or diagnosis according to available repair information.
If vehicle is not repaired, go to next step.
No Go to next step.
3 PERFORM KEY ON, ENGINE OFF (KOEO) SELF-TEST
  • Warm engine to normal operating temperature.
  • Key ON, Engine OFF (KOEO).
  • Turn off all electrical loads.
  • Activate KOEO On Demand Self Test using NGS Tester Diagnostic Test Modes.
  • Are any KOEO DTCs (except P1000) present?Β 
Yes Repair KOEO DTC. Go to applicable DTC troubleshooting procedure.
No Go to next step.
4 PERFORM KEY ON, ENGINE RUNNING (KOER) SELF-TEST
  • Key ON, Engine Running (KOER).
  • Activate KOER On Demand Self Test using NGS Tester Diagnostic Test Modes.
  • Are any KOER DTCs (except P1000) present?Β 
Yes Repair KOER DTC. Go to applicable DTC troubleshooting procedure.
See DIAGNOSTIC TROUBLE CODE NUMBERSΒ  .
No If Continuous Memory DTC was present at step 1, go to applicable DTC troubleshooting procedure.
If Continuous Memory DTC was NOT present at step 1, go to symptom troubleshooting.
See ENGINE SYMPTOM CHART .
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.