Engine Control Module 1, Master: Installing

Install in reverse order of removal.

• After that, the Engine Control Module (ECM) -J623- must be equipped with the metal retainer.
• Clean threaded holes for shear bolts of locking compound residue. Cleaning can be performed with a thread cutter (tap).
• Always use new shear bolts.
• Carefully clip cowl grille back into retainer on windshield.

The procedures to follow after connecting the new ECM are described in Guided Fault-Finding and Guided Functions.