Component Inspection

Component Inspection

1. Ignition "OFF"
2. Disconnect Fuel Level Sensor connector and Remove Fuel Sender from fuel tank.
3. Measure resistance between terminal 2 and 3 of Fuel Sender. (Component Side)




4. Does the resistance of FLS change as lifting up and down the fuel level float ?
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 Fuel Level Sensor and check for proper operation.
If the problem is corrected, replace Fuel Level Sensor and go to "Verification of Vehicle Repair" procedure.

CAUTION:
- There is a memory reset function on scantool that can erase optional parts automatically detected and memorized by PCM.
- Before or after testing PCM on the vehicle, use this function to reuse the PCM on the others