Triumph Rocket III Classic Service Manual page 294

Fuel System/Engine Management
Ignition Coils - Rocket III Touring
Fault Code
Possible cause Action
P0351152/53 Ignition system fault - Ign coil
112/3
View & note diagnostic tool 'freeze
frame' data if available.
Ensure relevant ign coil connector is
secure.
Disconnect ECM and proceed to
pinpoint test 1:-
Pinpoint Tests
Test
Result Action
1 Check cable and terminal integrity:
OK Proceed to test 2
- ECM pin B17
Faulty Rectify fault, proceed to test 7
- ECM pin A18
- ECM pin B18
2 Check resistance value: 1.4£1 to 1.8£1 Proceed to test 3
ECM pin A06 to
- ECM pin (ign coil
1)
B17
- ECM pin (ign coil 2) A 18
- ECM pin (ign coil 3) B 18
Open circuit
Disconnect relevant ignition coil and proceed
to test 4
Short circuit Disconnect relevant ignition coil and proceed
to test 5
3 Check cable for short circuit:
OK Proceed to test 7
- ECM pin to earth B 17
Short circuit Locate and rectify wiring fault, proceed to test
- ECM pin to earth A18
7
- ECM pin to earth B 18
4 Check cable continuity:
OK Proceed to test 6
Power latch relay pin 8 to any ign coil pin 2 Open circuit Locate and rectify wiring fault, proceed to test
- ECM pin B17 to ign coil 1 pin 1
7
- ECM pin A 18 to ign coil 2 pin 1
- ECM pin B 18 to ign coil 3 pin 1
5 Check cable for short circuit: OK Proceed to test 6
ECM pin A06 to
Short circuit Locate and rectify wiring Fault, proceed to test
- ECM pin (ign coil
1)
B 17
7
- ECM pin (ign coil 2) A 18
- ECM pin (ign coil 3) B 18
6 Check relevant ign coil resistance:
1.4£1 to 1.8£1 Proceed to test 7
- Ign coil pin 1 to ign coil pin 2 Faulty Renew relevant ignition coil, proceed to test 7
7 Reconnect harness, clear Fault code and run OK
Action complete - quit test
engine to verify Fault cleared
Fault still present Contact Triumph service
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Setvice Manual - Rocket III I Classic I Touring