Connect scantool to Data Link Cable (DLC).
Monitor " Fuel Pump Relay " parameter on the scantool.
Fig 1) Fuel pump relay ON for approx. 3 seconds when turning the ignition switch ON.
4. Is the Current data displayed correctly ?
YES
Fault is intermittent caused by poor contact in the sensor’s and/or ECM’s connector or was repaire 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.