IG "OFF" & connect scantool.

ENG "ON" and warm -up the engine to normal operating temperature.

Monitor "VIS 1" item on the service data.

Is the related current data displayed correctly ?

YES

▶ Fault is intermittent caused by poor contact in Sensor’s and/or PCM’s connector or was repairedand PCM memory was not cleared. Thoroughly check connectors for looseness, poor connection,bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and goto "Verification of Vehicle Repair" procedure

NO

▶ Go to "Terminal and Connector Inspection" procedure.