33
12/04
SPIDER MAX 500
B
3.
EMS CENTRAL UNIT TERMINAL LAYOUT
“EMS” CENTRAL UNIT
No. FUNCTION
1
THROTTLE POTENTIOMETER SUPPLY (+5V)
2
-
3
DIGITAL INSTRUMENT (REV. COUNTER CONTROL)
4
ENGINE TEMPERATURE (+)
5
SOLENOID STARTER OF H.T. COIL INJECTOR PUMP
6
STEPPER MOTOR
7
RPM SENSOR
8
-
9
EMS DIAGNOSTIC CONNECTOR
10
EMS DIAGNOSTIC CONNECTOR
11
POTENTIOMETER THROTTLE SIGNAL
12
RPM SENSOR
13
INJECTOR CONTROL (NEGATIVE)
14
STEPPER MOTOR
15
INSTRUMENTATION UNIT (INJECTION LED - NEGATIVE)
16
ANTI-TILTING SENSOR (-)
17
BASIC SUPPLY (POSITIVE)
18
AIR TEMPERATURE SENSOR (+)
19
SOLENOID STARTER FAN
20
H.T. COIL (NEGATIVE CONTROL)
21
STEPPER MOTOR
22
SENSOR SUPPLY (-)
23
CENTRAL UNIT - NEGATIVE
24
STEPPER MOTOR
25
-
26
DASHBOARD SUPPLY (POSITIVE)
F. 2 Connector - System side
F. 1 Connector - Central unit side
4.
INJECTION SYSTEM DIAGRAM
NOTE - The present diagram is
repeated on two pages at the
end of the Manual.
Sch. 1
Dashboard
Dashboard
connector
Injection
Fuel level
CENTRAL UNIT
Central unit
ground
Diagnostics
+ 12v dashboard
from immobilizer
Throttle
potentiometer
Engine
temperature
sensor
Fuel level indicator
+ pump
Idling adjusting
motor
Fuel
injector
H
.T
. coil
Engine
revolution
sensor
Air temperature
sensor
Fan
Anti-tilting
sensor
yellow
red
To the starter motor
BATTERY
Frame ground in
the coil area
Keylock
Regulator frame
ground knot