718
Throttle Actuator Motor
Throttle actuator control motor
open circuit
Throttle actuator short circuit to
ground or short circuit to
battery positive
Throttle actuator with default
spring open circuit
View and note diagnostic tool freeze frame
data if available.
View and note diagnostic tool sensor data.
Make sure accelerator position sensor
connector is secure.
Disconnect the engine ECM and proceed to
pinpoint test 1:
Check cable and terminal integrity:
- Engine ECM pin B04
- Engine ECM pin B03
- Throttle actuator motor connector pin
1
- Throttle actuator motor connector pin
2
- Engine subharness connectors pin 8
- Engine subharness connectors pin 9
Disconnect accelerator
position and proceed to
test 2
Rectify fault, proceed to
test 5
Check cable for short circuit:
- Engine ECM pin B04 to ground
- Engine ECM pin B03 to ground
Locate and rectify wiring
fault, proceed to test 4
Check cable for short circuit:
- Engine ECM pin B04 to EMS relay pin 5
- Engine ECM pin B03 to EMS relay pin 5
Locate and rectify wiring
fault, proceed to test 4
Check cable continuity:
- Engine ECM pin B03 to Throttle
actuator motor connector pin 2
- Engine ECM pin B04 to Throttle
actuator motor connector pin 1
Renew twist grip position
sensor, proceed to test 5
Locate and rectify wiring
fault, proceed to test 4
Reconnect harness, clear fault code and
run engine.
Action complete - quit
test