9 FUEL SYSTEM/ENGINE MANAGEMENT
IGNITION COILS
Fault Code
Possible cause
Action
P0351/52/53
Ignition system fault — Ign coil 1/2/3
View & note diagnostic tool `freeze frame'
data if available.
Ensure relevant ign coil connector is
secure. Disconnect ECM and proceed to
pinpoint test 1:—
P1351/52/53
Open or short circuit — Ign coil 1/2/3
P1355/56/57
Short circuit to battery+ — Ign coil 1/2/3
disconnect relevant ign coil and proceed to
pinpoint test 5
Pinpoint Tests
Test
Result
Action
1
Check cable and terminal integrity:
OK
Proceed to test 2
— ECM pin 27
Faulty
Rectify fault, proceed to test 7
— ECM pin 28
— ECM pin 54
2
Check resistance value:
0.8Q
Disconnect relevant ign coil and proceed to
Fuel pump relay pin 8 to
test 3
— ECM pin 54 (ign coil 1)
Open circuit
Proceed to test 4
— ECM pin 28 (ign coil 2)
— ECM pin 27 (ign coil 3)
Short circuit
Disconnect relevant ign coil and proceed to
test 5
3
Check cable for short circuit:
OK
Proceed to test 7
— ECM pin 27 to earth
Short circuit
Locate and rectify wiring fault, proceed to
— ECM pin 28 to earth
test 7
— ECM pin 54 to earth
4
Check cable continuity:
OK
Proceed to test 6
— Fuel pump relay pin 8 to
Open circuit Locate and rectify wiring fault, proceed to
any ign coil pin 2
test 7
— ECM pin 54 to ign coil 1 pin 1
— ECM pin 28 to ign coil 2 pin 1
— ECM pin 27 to ign coil 3 pin 1
5
Check cable for short circuit:
OK Proceed to test 6
Fuel pump relay pin 8 to
Short circuit
Locate and rectify wiring fault, proceed to
— ECM pin 54 (ign coil 1)
test 7
— ECM pin 28 (ign coil 2)
— ECM pin 27 (ign coil 3)
6
Check relevant ign coil resistance:
0.8Q
Proceed to test 7
— Ign coil pin 1 to ign coil pin 2
Faulty
Renew relevant ign coil, proceed to
test 7
7
Reconnect harness, clear fault code and
OK
Action complete — quit test
run engine to verify fault cleared
Fault still present
Contact Triumph service
Circuit Diagram
Fusebox
Fuel Pump Relay
Ignition Coils
3
2
1
a
r i
6 4
r, 1
- PG
-
1
PW
N
r N
N
7
c
T1W
Z
PW
-P
P
PW
Deleted from
Added from
r,
Engine
VIN 60540 (T595)
V/N 60540(T
N
N
L
'
Control
V/N 61893 (T509)
V/N 61893 (T509)
Module
9.64
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