Emsmain Relay Circuit; Pinpointtests - Triumph DAYTONA 675 Service Manual

Fuel System/Engine Management
EMS Main Relay Circuit
Fault Code
P1685
Pinpoint Tests
Test
1 Ensure ignition has been switched off for
greater than one minute. Identify EMS
Main Relay on the harness.
Check that relay operates when the ignition
is switched ON.
2 Check fuse box Fuse 6 integrity
3 Check cable for short circuit:
- ECM pin A06 to ground
- EMS Main relay pin 3 to ground
4 Check cable and terminal integrity:
- ECM pin A06
- ECM pin B15
- EMS Main Relay pin 1
- EMS Main Relay pin 2
- EMS Main Relay pin 3
- EMS Main Relay pin 5
5 Check cable for short circuit:
- ECM pin B15 to ground
6 Check cable continuity:
- ECM pin A06 to EMS Relay pin 5
- ECM pin B15 to Relay pin 1
- EMS Main Relay pin 2 to ground
- EMS Main Relay pin 3 to Fuse box Fuse 6
7 Reconnect harness, clear fault code. Switch
ignition off for longer than one minute.
Switch ignition on and check that the EMS
main relay operates. Start engine as final
check
1 0.82
Service Manual - Daytona 675, Street Triple and Street Triple R
Possible cause
EMS main relay circuit fault
Result
OK
Faulty
OK
Faulty
OK
Short circuit
OK
Faulty
OK
Short circuit
OK
Open circuit
OK
Fault still present
Action
Note that the starter motor cannot be
powered if a main relay fault exists.
Ensure the EMS main relay connector
is secure. Proceed to pinpoint test 1:
Action
Proceed to test 2
Disconnect ECM and proceed to test 4
Disconnect ECM and proceed to test 4
Disconnect ECM and proceed to test 3
Replace Fuse 6 and proceed to test 4
Locate and rectify wiring fault, replace Fuse 6
and proceed to test 7
Disconnect Main Relay and proceed to test 5
Rectify fault, proceed to test 7
Proceed to test 6
Locate and rectify wiring fault, proceed to test
7
Replace EMS Main Relay and proceed to test
7
Locate and rectify wiring fault, proceed to test
7
Action complete - quit test
Contact Triumph service
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