E/G ECM Reprogramming Specification Change (EG93-002)
Publication date: 1970-01-01Reference number: EG93-002
E/G ECM REPROGRAMMING SPECIFICATION CHANGE
TECHNICAL SERVICE BULLETIN
Reference Number(s): EG93-002
| COPYRIGHT: | © 2018 Toyota, USA License Agreement TMS1002 |
CHANGE IN ECM SPECIFICATIONS
Model(s): 1989-91 Toyota VN Truck/4Runner
Reference: Engine
Bulletin No.: EG93-002
Date: March 5, 1993
SERVICE INFORMATION
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
| From VIN | Production Date |
|---|---|
| JT#VN01* #N2012283 JT#VN01* #N0004961 JT#VN02* #N2002310 JT#VN13* #N5072300 JT#VN39* #N7002771 JT#VN39* #N9011852 JT#VN39* #N0072969 JT#VN39* #N8034476 | August, 1991 |
NOTE:
Production effective breakpoints are for reference only. The Part Number on the ECM in the vehicle must be verified in all instances.
PARTS INFORMATION
| Previous P/N | New Part Number | Part Description |
|---|---|---|
| 89661-35191 | 89661-35192 (-84) | 1989 MY ECM |
| 89661-35351 | 89661-35352 (-84) | 1990 MY ECM |
| 89661-35510 | 89661-35511 (-84) | 1991 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.