When using intelligent tester:
READ DATA LIST (THROTTLE POSITION, THROTTLE POSITION NO. 2)
CHECK WIRE HARNESS (THROTTLE POSITION SENSOR - ECM)
REPLACE THROTTLE BODY ASSEMBLY
CHECK IF DTC OUTPUT RECURS (THROTTLE POSITION SENSOR DTCS)
When not using intelligent tester:
CHECK WIRE HARNESS (THROTTLE POSITION SENSOR - ECM)