▶ Substitute with a known-good ECM and check for proper operation.
▶ If the problem is corrected, replace ECM and then go to "Verification of Vehicle Repair" procedure.
note
ECM substitued for old one must be in "Virgin" or "Neutral" status and Pin code is requied to Neutralize ECM and to Register transponder key
▶ Check that fuse has blown off and harness between ECM connector and Battery is in normal condition. And. check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to "Verification of Vehicle Repair" procedure.
