Engine Management Circuit Diagram - Triumph Thunderbird Service Manual

The above illustration shows the pin numbering system
used in the engine management circuit diagram.
The black connector pins are prefixed A and the grey
connector pins
B.
As viewed on the mating face with the
ECM (as per the illustration), pins are numbered from
right to left with number one in the top right corner.
Code Wiring Colour
B Black
U
Blue
N
Brown
G Green
S Slate/Grey
0
Orange
K
Pink
R Red
P Purple
W White
Y Yellow
LG Light Green
LU Light Blue
Fuel System/Engine Management
Engine Management Circuit
Diagram
Key To Wiring Circuit Diagram
Key
Item Description
1 Engine Control Module
2 Diagnostic Connector
3 Instrument Assembly
4
Starter Relay
5 Clutch Switch
6 Intake Air Temperature Sensor
7
Gear Position Sensor
8 Vehicle Speed Sensor
9 Throttle Position Sensor
10
Fall Detection Switch
11 Ambient Pressure Sensor
12 MAP Sensor RH
13 MAP Sensor LH
14 Coolant Temperature Sensor
15 Fuel Level Sensor
16
Lambda Sensor RH
17 Lambda Sensor LH
18 Sidestand Switch
19 Idle Speed Control Stepper Motor
20
Idle Speed Control Sub-Harness
21 Alarm Unit
22 Engine Stop Switch
23 Fuel Pump
24 Fuel Pump Relay
25 Fuse Box (fuse 10>
26 Ignition Coils
27
Fuel Injectors
28 Cooling Fan
29 Cooling Fan Relay
30 Crankshaft Sensor
31
SAl Valve
32 Purge Valve
33
Engine Management System Relay
34 Fuse Box (fuse 4)
Key To Wiring Colour Codes
ECM Connector Pin Numbering
Connector B (Grey)
Bl~~r.~
:
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'a
D
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/ ' a
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B36 B19
Connector A (BlackJ
10.20
SelVice Manual - Thunderbird