Component Inspection

Engine

Engine Control - P0454 Evap. Emission System - Pressure Sensor Intermittent - Component Inspection

Component Inspection

1. Check FTPS
(1) IG "OFF" and connect scantool to DLC (Data Link Connector).
(2) Monitor "FTPS" parameter on service data.
A. Specification :





(3) Is the "FTPS" parameter on the service data O.K?
YES
1) Substitute with a known - good PCM and check for proper operation.
If the problem is corrected, replace PCM and go to "Verification of Vehicle Repair" procedure.
NO
1) Substitute with a known - good FTPS and check for proper operation.
If the problem is corrected, replace FTPS and go to "Verification of Vehicle Repair" procedure.