Coolingfan Relay; Pinpoint Tests - Triumph DAYTONA 675 Service Manual

Triumph daytona 675, street triple and street triple r
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Cooling Fan Relay
Fault Code
P1552
P1553

Pinpoint Tests

Test
1
Check cable and terminal integrity:
- ECM pin B30
2
Check cable for short circuit:
- ECM pin B30 to ground
3
Check cable continuity:
- Fan relay pin 2 to ECM pin B30
- Fan relay pin 1 to EMS main relay pin 5
4
Check cable for short circuit:
- ECM pin B30 to ECM pin A06
5
Reconnect harness, clear fault code and run
diagnostic software function test to visually
verify operation of cooling fan
Circuit Diagram
Service Manual - Daytona 675, Street Triple and Street Triple R
I UMP
Fuel System/Engine Management
Possible cause
Fan relay open circuit, or short circuit View
to ground
Short circuit to battery+
Result
OK
Faulty
OK
Short circuit
OK
Open circuit
OK
Short circuit
OK
Fault still present
Cooling Fan Relay
EMS Main Relay
1
2 5
3
Action
&
note
diagnostic
'sensor data.
Ensure fan relay connector is secure.
Disconnect
ECM
and
pinpoint test 1:
Disconnect fan relay and proceed to
pinpoint test 4:
Action
Disconnect fan relay and proceed to test 2
Rectify fault, proceed to test 5
Proceed to test 3
Locate and rectify wiring fault, proceed to test
5
Proceed to test 4
Locate and rectify wiring fault, proceed to test
5
Proceed to test 5
Locate and rectify wiring fault, proceed to test
5
Action complete - quit test
Contact Triumph service
ECM
Y
B30
K
A06
software
proceed
to
1 0.61

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