Tacoma Extra Cab 4WD L4-2693cc 2.7L DOHC MFI (1997)
Idle Speed: Technical Service Bulletins
Powertrain - Idle Speed Modified by Replacement ECM
ENGINE
EG003-99
Title:
3RZ-FE ECM IDLE SPEED
Models:
'95-'97 Tacoma
April 23, 1999
Introduction
Operating logic of 1995-97 Tacoma ECMs has been revised to improve engine idle smoothness (with transmission in "D" range). By increasing idle
speed with A/C compressor "OFF", this change has also narrowed the RPM transition between A/C "OFF" and "ON" engagement:
Affected Vehicles
^
1995-1997 Tacomas equipped with 3RZ-FE four cylinder engine and automatic transmission.
Part Number Information
OLD PART NUMBER NEW PART NUMBER
PART NAME
89661-04060
89661-04061
1995 ECM (Fed. Spec.)
89661-04080
89661-04081
1995 ECM (Cal. Spec.)
89661-04200
89661-04201
1996 ECM (50 States)
89661-04270
89661-04271
1997 ECM (50 States)
Production Change Information
^
No production changes have been made.
^
This change applies only to replacement ECMs available through parts supply.
Warranty Information
Applicable warranty*
This repair 19 covered under the Federal Emission Control Warranty. This warranty is in effect for 96 months or 80,000 miles, whichever occurs first,
from the vehicle's in-service date.
*
Warranty application is limited to correction of a problem based upon a customer's specific complaint.