Triumph Rocket III Classic Service Manual page 284

Fuel System/Engine Management
Primary Throttle Position Sensor - Rocket III and Classic
Fault Code Possible cause Action
P0122 Throttle position sensor low input View
8.
note diagnostic tool 'freeze
P0123
voltage <short to ground or open frame' data if available.
circuit)
View
8.
note diagnostic tool 'sensor'
Throttle position sensor high input data.
voltage <short circuit to sensor supply) Ensure sensor connector is secure.
Disconnect ECM and proceed to
pinpoint test 1:-
Pinpoint Tests
Test Result Action
1 Check cable and terminal integrity: OK Disconnect sensor and proceed to
- ECM pin AOl
test 2
- ECM pin A07
- ECM pin Al0
(
Faulty
Rectify fault, proceed to test 5
2 Check cable for short circuit: OK
Proceed to test 3
- ECM pin A 10 to ground
Short circuit
Locate and rectify wiring fault, proceed to test
5
3 Check cable continuity: OK
Proceed to test 4
- ECM pin AOl to sensor pin 1
- ECM pin A07 to sensor pin 2
- ECM pin A 10 to sensor pin 3
Open circuit Locate and rectify wiring fault, proceed to test
5
4 Check cable for short circuit: OK Renew throttle position sensor, proceed to
- ECM pin A 10 to ECM pin AOl
test 5
- ECM pin A 10 to ECM pin A07
Short circuit Locate and rectify wiring fault, proceed to test
5
5 Reconnect harness, clear fault code and run OK Action complete - quit test
engine to verify fault cleared
Fault still present Contact Triumph service
(
11.80
Service Manual - Rocket 1111 Classic 1 Touting