Impulse Coupe L4-1588cc 1.6L DOHC Turbo (4XE1-WT) (1992)
Engine Control Module: Technical Service Bulletins
ECM - Replacement, Manual Update
BULLETIN NUMBER
SB92-03-002
ISSUE DATE
June 18, 1992
GROUP
EMISSIONS
IMPULSE (JI) AND STYLUS (JS) ECM REPLACEMENT
(WORKSHOP MANUAL CORRECTION)
AFFECTED VEHICLES
1991-92 Impulse (JI) and Stylus (JS) models.
SERVICE INFORMATION
The Workshop Manuals incorrectly specify ECM Electronic Erasable Programmable Read Only Memory (EEPROM) and engine calibrator
(MEM-CAL) servicing information:
The ECM can only be replaced as a complete unit. There are no serviceable parts in the ECM. Replacement ECM units contain EEPROMs that have
already been programmed.
SERVICE PROCEDURE
Make the pen-and-ink corrections on the appropriate pages of the referenced Workshop Manuals.