4. Check App Sensor Input Signal Circuit For Open And Short

1. Check harness continuity between ECM terminal 106 and APP sensor terminal 2. Refer to Wiring Diagram.
   1. Continuity should exist. 
2. Also check harness for short to ground and short to power.

OK or NG 

OK >> GO TO 5. CHECK APP SENSOR .

NG >> Repair open circuit or short to ground or short to power in harness or connectors.