Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Engine Controls - ECM Reprogramming Information: Overview
2002 Infiniti G20 L4-2.0L (SR20DE)SECTION Overview
Classification:
EC99-014d
Reference:
ITB00-005d
Date:
May 12, 2006
ECM REPROGRAMMING FOR INFINITI VEHICLES
This amended version (ITB00-005d) updates the Service Procedure section of the bulletin. Please discard all previously released copies of ITB00-005.
APPLIED VEHICLE(S):
1999 Q45(FY33)
All 2000 and later
SERVICE INFORMATION
^ In-vehicle ECM reprogramming is available to update the ECM on 1999 Q45 and all 2000 and later vehicles.
^ This reprogramming allows the vehicle ECM to be upgraded to the latest operating specifications without removal or replacement of the ECM.
^ When an ECM has been reprogrammed it will display a new P/N on the CONSULT-II screen.
NOTE:
ECM reprogramming will not effect NATS.
^ ECM reprogramming requires the use of ASIST 8.0 or higher and CONSULT-II with the ECU Reprogramming Software Card (orange color).
^ Use the Service Procedure steps to transfer ECM reprogramming data from the ASIST PC to CONSULT-II and from CONSULT-II to the vehicle ECM.
^ Refer to the ECU Reprogramming Software Operations Manual (in ASIST) for additional information on using CONSULT-II for ECM reprogramming.
CAUTION
^ An ECM should be reprogrammed ONLY when required by a specific Infiniti Technical Bulletin or as otherwise directed by Nissan North America.
^ The ECM can be permanently damaged if the reprogramming procedure is not followed exactly.
^ Do not disturb (don't touch) the vehicle CONSULT-II or the DLC-II cable while ECM reprogramming is in progress.
^ If the ECM is damaged, it must be replaced.
Disclaimer
EC99-014d
Reference:
ITB00-005d
Date:
May 12, 2006
ECM REPROGRAMMING FOR INFINITI VEHICLES
This amended version (ITB00-005d) updates the Service Procedure section of the bulletin. Please discard all previously released copies of ITB00-005.
APPLIED VEHICLE(S):
1999 Q45(FY33)
All 2000 and later
SERVICE INFORMATION
^ In-vehicle ECM reprogramming is available to update the ECM on 1999 Q45 and all 2000 and later vehicles.
^ This reprogramming allows the vehicle ECM to be upgraded to the latest operating specifications without removal or replacement of the ECM.
^ When an ECM has been reprogrammed it will display a new P/N on the CONSULT-II screen.
NOTE:
ECM reprogramming will not effect NATS.
^ ECM reprogramming requires the use of ASIST 8.0 or higher and CONSULT-II with the ECU Reprogramming Software Card (orange color).
^ Use the Service Procedure steps to transfer ECM reprogramming data from the ASIST PC to CONSULT-II and from CONSULT-II to the vehicle ECM.
^ Refer to the ECU Reprogramming Software Operations Manual (in ASIST) for additional information on using CONSULT-II for ECM reprogramming.
CAUTION
^ An ECM should be reprogrammed ONLY when required by a specific Infiniti Technical Bulletin or as otherwise directed by Nissan North America.
^ The ECM can be permanently damaged if the reprogramming procedure is not followed exactly.
^ Do not disturb (don't touch) the vehicle CONSULT-II or the DLC-II cable while ECM reprogramming is in progress.
^ If the ECM is damaged, it must be replaced.
Disclaimer
RENDER: 1.0x
NO RELATED
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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.