Component Inspection

Immobilizer

Immobilizer - P1694 EMS message error - Component Inspection

Component Inspection

1. Check ECM
(1) IGN "ON" & Engine "OFF"
(2) Neutralize ECM and Register transponder key by scantool.

NOTE:
** Pin code is required to Neutralize ECM and to Register transponder key

(3) Are Neutralizing and Registering completed normally?
YES
> 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.
NO
> Substitute with a known-good ECM and perform the key teaching procedure.
If the problem is corrected, replace transponder and then go to "Verification of Vehicle Repair" procedure.

NOTE:
** ECM substitute for old one must be in "Virgin" or "Neutral" status and Pin code is required to Neutralize ECM and to Register transponder key