5. Check Throttle Position Sensor Input Signal Circuit For Open And Short

1. Check harness continuity between the following;

   ECM terminal 108 and electric throttle control actuator terminal 4,

   ECM terminal 98 and electric throttle control actuator 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 6.

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