Engine Control - New ECM Improves Driveability

REF.: ENGINE

NO.: EG93-002

DUE: MARCH 5, 1993

MODEL: TRUCK & 4RUNNER (VN)

CHANGE IN ECM SPECIFICATIONS

To improve driveability during slight acceleration on downhill grades for vehicles equipped with manual transmission, the E/G ECM programming has been changed.





PRODUCTION EFFECTIVE:

Note:
Production effective breakpoints are for reference only. The Part Number on the ECM in the vehicle must be verified in all instances.

PART NUMBER INFORMATION:

PREVIOUS P/N NEW P/N PART DESCRIPTION
89661-35191 89661-35192 (-84)* '89 MY ECM
89661-35351 89661-35352 (-84)* '90 MY ECM
89661-35510 89661-35511 (-84)* '91 MY ECM



INTERCHANGEABILITY:

New parts may be used on previous vehicles. Previous parts should not be used on new vehicles. Remanufactured ECM's (indicated by 12 digit P/N ending with -84) also include this improvement.