Triumph Rocket 3 GT 2021 - Page 1372

1334
Keyless ECM Ignition Fault - Output 1
Fault
Possible cause
Action
C1147
Keyless ECM ignition
output 1 over current
Disconnect Keyless ECM, handlebar switches
subharness, instruments, headlight and
reserved connector blanking plug.
Proceed to pinpoint test 2:
C1148
Keyless ECM ignition
output 1 under current
Proceed to pinpoint test 1:
Pinpoint Tests
Test
Result
Action
1
Check cable and terminal integrity:
- Keyless ECM pin 12
- Keyless ECM pin 2
- Ignition master switch link connector pin 1
- Ignition master switch link connector pin 2
- Ignition relay pin 1
- Ignition relay pin 2
OK
Disconnect keyless ECM
and KL15 relay.
Proceed to pinpoint test
2
Faulty
Rectify fault, proceed to
test 4
2
Check cable for short circuit:
- Keyless ECM pin 2 to ground
OK
Proceed to test 3
Short
circuit
Locate and rectify wiring
fault, proceed to test 4
3
Check cable continuity:
- Fuse box fuse 1 to Keyless ECM pin 12
Note:
For all markets except US, the ignition master
switch link connector must be fitted
For US markets only, the ignition master switch
must be in the ON position
Check cable continuity:
- Keyless ECM pin 2 to KL15 relay pin 1
OK
Proceed to test 4
Open
circuit
Locate and rectify wiring
fault, proceed to test 4
4
Check fuse integrity:
- Fuse box fuse 1
OK
Proceed to test 5
Faulty
Replace blown fuse,
proceed to test 5
5
Reconnect harness, clear fault code and run
engine to verify fault
cleared
OK
Action complete – quit
test
Fault
still
present
Contact Triumph service