5. Check Throttle Control Motor Relay Output Signal Circuit For Open And Short

1. Check continuity between ECM terminal 26 and throttle control motor relay terminal 1. Refer to WIRING DIAGRAM .

   Continuity should exist. 

2. Also check harness for short to ground and short to power.

OK or NG 

1. OK: GO TO 7. CHECK THROTTLE CONTROL MOTOR RELAY .
2. NG: GO TO 6.