Removal & Installation (1.9L - Saturn "S" Series)

Disconnect negative battery cable. Locate PCM. See PCM LOCATION  table. Unlock 28-pin PCM harness connector and disconnect. Remove bolt from 80-pin PCM harness connector and disconnect. Remove PCM mounting bolts and remove PCM. To install, reverse removal procedure. Tighten PCM mounting bolts to 53 INCH lbs. (6 N.m). Tighten PCM harness connector bolt to 71 INCH lbs. (8 N.m). Program replacement PCM using appropriate equipment and latest software. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION.