Triumph 2012 Tiger 800 Service Manual page 252

Fuel System/Engine Management
EMS Ignition Voltage Input Circuit
Fault Code
P 1 659
Pinpoint Tests
Test
1 Check Fuse box Fuse 2 integrity
2 Check cable for short circuit:
- ECM pin A 19 to ground
3 Check cable and terminal integrity:
- ECM pin A19
- Alarm Connector pin 1
- Alarm Connector pin 2
- Right hand switchcube pin 2
- Right hand switchcu be pin 5
4 Check cable continuity:
- ECM pin A 19 to fuse box Fuse 2, note that Open circuit
the engine stop switch must be in the
'RU N ' position and any Alarm fitted must
be disarmed
5 Reconnect harness, clear fault code and run O K
engine to verify fault cleared
Circuit Diagram
10.74
Possible cause
EMS ignition voltage input circuit fault Disconnect ECM and proceed to
Result
OK
Faulty
OK
Short circuit
OK
Faulty
OK
Fault still present
Engine
Stop
Switch
G
Fuse Box
r - - - - - -.
2
I
I
I
I
l O A
l ..J
_ _ _ _ _
Service Manual Tiger 800 and Tiger 800XC
-
Action
pinpoint test 1 :
Action
Proceed to test 3
Proceed to test 2
Replace Fuse 2 and proceed to test 3
Locate and rectify wiring fault, replace Fuse 2
and proceed to test 5
Proceed to test 4
Rectify fault, proceed to test 5
Proceed to test 5
Locate and rectify
engine stop switch fault, proceed to test 5
Action complete - quit test
Contact Triumph service
Alarm
Control Unit
�
--EJ
GN_j LGR
OCM
0 0
w1nng, immobiliser or