Connect scantool to Data Link Cable (DLC).
Monitor " Glow Relay " parameter on the scantool.
Fig 1) Glow relay ON after the ignition switch ON before coming to the coolant temperature 60°C.
4. Is theCurrent data displayed correctly ?
YES
▶ Fault is intermittent caused by poor contact in the sensor’s and/or ECM’s connector or was repaired and ECM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "Verification of Vehicle Repair" procedure .
NO
▶ Go to "W/Harness Inspection" procedure.