Triumph Daytona 955i User Manual

9
FUEL SYSTEM/ENGINE MANAGEMENT
TJIUM1
MPII
COOLING FAN RELAY
Fault Code
Possible cause
Action
P1 551
Cooling fan relay system fault
View & note diagnostic tool `sensor' data.
Ensure relay connector is secure and relay
is operational — renew if faulty.
Disconnect ECM and proceed to pinpoint
testl:-
P1552
Open circuit, or short circuit to earth
P1553
Short circuit to battery+
Disconnect relay and proceed to pinpoint
test 4
Pinpoint Tests
Test
Result
Action
1
Check cable and terminal integrity:
— ECM pin 25
OK
Disconnect relay and proceed to test 2
Faulty
Rectify fault, proceed to test 5
2
Check cable for short circuit:
— ECM pin 25 to earth
OK
Proceed to test 3
Short circuit
Locate and rectify wiring fault, proceed to
test 5
3
Check cable continuity:
— Relay pin 4 to ECM pin 25
— Relay pin 6 to ECM relay pin 8
OK
Proceed to test 4
Open circuit
Locate and rectify wiring fault, proceed to
test 5
4
Check cable for short circuit:
— ECM pin 25 to ECM pin 1
OK
Proceed to test5
Short circuit
Locate and rectify wiring fault, proceed to
test 5
5
Reconnect harness, clear fault code and
run diagnostic tool function test to visually
verify operation of cooling fan
OK
Action complete — quit test
Fault still present
Contact Triumph service
Circuit Diagram
Cooling Fan
ECM Main
Power Relay
'' F—
B 2
'
N
Fusebox
Cooling Fan
8
5
[° 1J
Relay
a
uB
6
a
6 s
a a
y Z
UB z m W
Y
}
Z
m
Engine
Control
Module
9.72

Triumph Daytona 955i Specifications

General

Displacement	955 cc
Bore x Stroke	79 x 65 mm
Compression Ratio	12.0:1
Fuel System	Multipoint sequential electronic fuel injection
Transmission	6-speed
Rear Brakes	Single 220 mm disc, 2-piston caliper
Front Tire	120/70 ZR17
Rear Tire	190/50 ZR17
Width	720 mm (28.3 in)
Seat Height	815 mm (32.1 in)
Engine Type	Liquid-cooled, inline 3-cylinder
Max Torque	100 Nm (74 lb-ft) @ 8, 200 rpm
Final Drive	Chain
Frame	Aluminum beam
Front Suspension	43 mm inverted telescopic fork, adjustable
Rear Suspension	Monoshock, adjustable
Front Brakes	Twin 320 mm discs, 4-piston calipers
Fuel Capacity	21 litres (5.5 US gallons)