Camry Wagon L4-2.0L (3S-FE) (1990)
Engine Control Module: Customer Interest
Engine Control - New ECM Improves Warm Up Driveability
REF.: ENGINE
NO.: EN91-004
DATE:
MAY 10, 1991
MODEL:
V V
ENGINE CONTROL COMPUTER
The information contained in this TSB superceeds Volume 10, Engine # 015. That previous TSB should be discarded.
For improved driveability, the ECU programming controlling air fuel ratio during warm-up has been changed.
PRODUCTION EFFECTIVE:
VIN
DATE
From
JT2VV2 * * -M3017477
November 1990
Note:
Production effective breakpoints are for reference only. The Part Number on the ECU in the vehicle should be verified in all instances.
PART NUMBER INFORMATION:
PREVIOUS PART NO.
NEW PART NO.
YEAR
SPEC.
TRANS.
89661-32251
89661-32252-84
88/89
Fed
MTM
89661-32261
89661-32262-84
88/89
Fed
ATM
89661-32441
89661-32442-84
88/89
Cal
MTM
89661-32451
89661-32452-84
88/89
Cal
ATM
89661-32560
89661-32561-84
90/91
Fed
MTM
89661-32570
89661-32571-84
90/91
Fed
ATM
89661-32580
89661-32581-84
90/91
Cal
MTM
89661-32590
89661-32591-84
90/91
Cal
ATM
Note:
P/N suffix of -84 indicates that the ECU is a remanufactured unit. Some vehicles may already have a remanufactured ECU installed. However,
the first 10 digits must be checked to determine if it is the most recent specification.
PARTS RETURN INFORMATION:
The replacement ECU's are remanufactured by Nippondenso-Los Angeles (NDLA). In order to maintain core availability for remanufactured units, the
original ECU must be sent to NDLA as soon as it has been replaced.
Note:
Please complete the core information and core credit forms which are enclosed with the remanufactured ECU.
Return cores to:
Toyota Motor Distributors
C/O Nippondenso-Los Angeles
3900 Via Oro Avenue
Long Beach, CA 90810