Triumph Scrambler 1200 XC Service Manual page 474

Test
1 Ensure ignition has been
switched off for greater than 90
seconds. Identify EMS main
relay on the harness.
Check that relay operates when
the ignition is switched ON and
the stop and run switch is in the
RUN position.
2 Check cable for short circuit:
- Engine ECM pin B31 to ground
- Engine ECM pin A01 to ground
3 Check cable and terminal
integrity:
- Engine ECM pin B31
- EMS main relay pin 1
- EMS main relay pin 2
- EMS main relay pin 3
- EMS main relay pin 5
4 Check fuse box fuse 5 integrity
5 Check cable continuity:
- Engine ECM pin A01 to EMS
main relay pin 5
- Engine ECM pin B31 to EMS
relay pin 1
- EMS main relay pin 2 to ground
- EMS main relay pin 3 to fuse
box fuse 5
6 Reconnect harness, clear fault
Service Manual - Scrambler 1200 XC
Result Action
OK Proceed to test 4
Faulty Disconnect EMS main relay
and engine ECM. Proceed to
test 4
OK Proceed to test 3
Short Locate and rectify wiring fault,
circuit replace Fuse 5 and proceed
to test 6
OK Disconnect main relay and
proceed to test 4
Faulty Rectify fault, proceed to test 5
OK Proceed to test 5
Short Replace fuse and proceed to
circuit test 5
OK Replace EMS main relay and
proceed to test 6
Open Locate and rectify wiring fault,
circuit proceed to test 6
OK Action complete - quit test
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