Emsignition Voltage Input Circuit; Pinpointtests - Triumph DAYTONA 675 Service Manual

Fuel System/Engine Management
EMS Ignition Voltage Input Circuit
Fault Code
P1659
Pinpoint Tests
Test
1 Check Fuse box Fuse 2 integrity
2 Check cable for short circuit:
- ECM pin A19 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 switchcube pin 5
4 Check cable continuity:
- ECM pin A19 to fuse box Fuse 2, note that
the engine stop switch must be in the
'RUN position and any Alarm fitted must
be disarmed
5 Reconnect harness, clear fault code and run
engine to verify fault cleared
Circuit Diagram
r — — — — —
1 0.84
Service Manual - Daytona 675, Street Triple and Street Triple R
Possible cause
EMS ignition voltage input circuit fault
Result
OK
Faulty
OK
Short circuit
OK
Faulty
OK
Open circuit
OK
Fault still present
Engine
Alarm
Stop
Switch Control Unit
2
Fuse Box
co co
z
G GN
10A
Action
Disconnect ECM
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 wiring, i mmobiliser or
engine stop switch fault, proceed to test 5
Action complete - quit test
Contact Triumph service
1
ECM
A19
GR
and proceed to
111MP