Stylus L4-1588cc 1.6L DOHC (4XE1-W) (1991)
Engine Control Module: All Technical Service Bulletins
ECM - Manual Correction
BULLETIN NUMBER
SB91-003-005
ISSUE DATE
May 30, 1991
GROUP
EMISSIONS
IMPULSE (JI) AND STYLUS (JS) ECM REPLACEMENT
(WORKSHOP MANUAL CORRECTION)
AFFECTED VEHICLES
1990-91 Impulse (JI) and Stylus (JS) models.
SERVICE INFORMATION
The following Workshop Manuals incorrectly specify ECM Electronic Eraseable Programmable Read Only Memory (EEPROM) servicing information:
Manual
Page No.
1990 Impulse
6E2-84
(Publication No. AIMI-SVC-183,
part No. 2-90990-062-0)
1991 Impulse
6E2-84
(Publication No. AIMI-SVC-204,
part No. 2-90991-062-0)
1991 Stylus
6E2-93
(Publication No. AIMI-SVC-205,
part No. 2-90991-052-0)
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 pre-programmed.
SERVICE PROCEDURE
Make the following pen-and-ink correction on the appropriate pages of the referenced Workshop Manuals: