6. Check Fuel Level Sensor Input Signal Circuit For Open And Short

1. Disconnect ECM harness connector.
2. Check harness continuity between the following;

   ECM terminal 119 and "fuel level sensor unit and fuel pump" terminal 5,

   ECM terminal 107 and "fuel level sensor unit and fuel pump" terminal 6.

   Refer to Wiring Diagram.

   1. Continuity should exist. 
3. Also check harness for short to ground and short to power.

OK or NG 

OK : GO TO 8.

NG : GO TO 7.