4. Check Fuel Tank Temperature Sensor Ground Circuit For Open And Short

1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between "fuel level sensor unit and fuel pump" terminal 2 and ECM terminal 89. Refer to WIRING DIAGRAM .

   Continuity should exist. 

4. Also check harness for short to power.

OK or NG 

1. OK: GO TO 6. CHECK FUEL TANK TEMPERATURE SENSOR .
2. NG: GO TO 5.