Engine Controls - Cold Start High Idle Speed

2009 Mazda B2300 L4-2.3LSECTION Engine Controls - Cold Start High Idle Speed
Bulletin No: 01-007/10

Last Issued: 01/15/2010

Subject:
HIGH IDLE AT COLD START OR DEPRESSING CLUTCH





BULLETIN NOTE





APPLICABLE MODEL(S)/VINS





DESCRIPTION

Customers having this concern should have their vehicle repaired using the following repair procedure.

REPAIR PROCEDURE

(Use Steps below for all models)

1. Reboot the IDS to clear memory before reprogramming.





2.

NOTE:

^ This bulletin does not apply to California Spec. vehicles.

^ Always update the IDS tool first, then follow on-screen instructions to download the needed calibration file for PCM reprogramming.

^ It is not necessary to remove any fuses or relays during PCM reprogramming when the IDS screen prompts you to do so. You may accidentally stop power to one of the PCM terminals and cause the PCM to be blanked, or you may receive error messages during the IDS reprogramming procedure.

^ IDS shows the calibration part numbers after programming the PCM.

^ Please be aware that PCM calibration part numbers and file names listed in any Service Bulletin may change due to future releases of IDS software, and additional revisions made to those calibrations for service related concerns.

^ When reprogramming a PCM, IDS will always display the latest" calibration P/N available for that vehicle. If any calibration has been revised/updated to contain new information for a new service concern/issue, it will also contain all previously released calibrations.





^ When performing this procedure, we recommend that a battery charger be installed on the vehicle battery and turned ON to a maximum charge of no more than 20 AMPS to keep the vehicle battery up to capacity. If you exceed 20 AMPS, it could damage the VCM.

3. After performing the PCM reprogramming procedure, verify the repair by starting the engine and making sure there are no MIL illumination or abnormal warning lights present.

NOTE:

^ If any DTCs should remain after performing DTC erase, diagnose the DTCs according to the appropriate Troubleshooting section of the Workshop Manual.

^ After PCM reprogramming, it is no longer necessary to road test the vehicle to relearn" KAM (Keep Alive Memory).

CALIBRATION INFORMATION

NOTE:
It is not necessary to order a PCM part for this repair procedure.

WARRANTY INFORMATION

NOTE:

^ This bulletin does not apply to California Spec. vehicles.

^ This warranty information applies only to verified customer complaints on vehicles eligible for warranty repair.

^ This repair will be covered under Mazda's New Vehicle Limited Warranty term for a Powertrain Component.

^ Additional diagnostic time cannot be claimed for this repair.





Disclaimer

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

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

Affiliate disclosure: We may earn a commission at no extra 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.