Triumph Rocket III Service Manual page 222

Fuel System/Engine Management
Purge Valve
Fault Code
Possible cause Action
P0444 Open circuit or short circuit to earth View & note diagnostic tool 'sensor'
data.
Ensure purge valve connector is
secure. Disconnect ECM and
proceed to pinpoint test 1
P0445 Short circuit to battery+ Disconnect purge valve
and
proceed to pinpoint test 5
Pinpoint Tests
Test Result Action
1 Check cable and terminal integrity: OK Proceed to test 2
- ECM pin 831 Faulty Rectify fault, proceed to test 7
2 Check resistance vaiue: 24Qt028Q
Disconnect purge valve and proceed to
test 3
- ECM pin A20 to ECM pin 831 Open circuit Proceed to test 4
Short circuit Disconnect purge valve and proceed to
test 5
3 Check cable for short circuit: OK Proceed to test 7
- ECM pin 831 to earth Short circuit Locate and rectify wiring fault, proceed to
test 7
4 Check cable continuity:
OK Proceed to test 6
- ECM pin 831 to valve pin 2 Open circuit Locate and rectify wiring fault, proceed to
- ECM pin A20 to valve pin 1
test 7
5 Check cable for short circuit: OK Proceed to test 6
- ECM pin A20 to ECM pin 831 Short circuit Locate and rectify Wiring fault, proceed to
test 7
6 Check purge valve resistance: 24Q to 28Q Proceed to test 7
- Valve pin 1 to valve pin 2 Faulty Renew purge valve, proceed to test 7
7 Reconnect harness, clear fault code and OK Action complete - quit test
run diagnostic tool function test to
visually verify operation of purge valve
Fault Contact Triumph service
11.68
Service Manual - Rocket
III
~.