April 16, 2004
ECM REPLACEMENT PROCEDURES
ATTENTION: THIS BULLETIN HAS BEEN REVISED.
^ The Service Procedures for replacing an ECM on an Applied vehicle were revised.
^ Please use this bulletin NTB00-052c for complete information.
^ Discard all previously distributed copies of NTB00-052.
All 2000 and later
1999 Frontier (D22)
1999 Quest (V41)
1999 Pathfinder (R50) from VIN JN8AR07**XW350101
IF YOU CONFIRM:
The Electronic Control Module (ECM) needs to be replaced on a 2000 MY and later vehicle, or an Applied 1999 MY vehicle (see above).
^ Re-register all customer keys if the vehicle has ECM based NATS (see step 1).
^ Check ASIST for any new updates for the new ECM you're installing (see steps 2 - 4).
^ Perform the "ACCELERATOR PEDAL & THROTTLE VALVE CLOSED POSITION LEARNING" procedure (see step 5).
^ After installing the new ECM, perform the "IDLE AIR VOL LEARNING" procedure (when applicable) using CONSULT-II. See step 6.
^ For 2005 and later vehicles, enter the vehicle VIN into the new ECM (see step 7).
CAUTION: Failure to perform all the work steps in the specified order can cause poor engine running, MIL 'ON', or vehicle emission test rejection.
IMPORTANT: The purpose of "ACTIONS" (above) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire Service Procedure as it contains information that is essential to successfully completing this repair.