LETRIPP II XMS4A DIY MANUAL V2.1
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9
PE
RFECT POWER XMS4A – Engine Management System DIY MANUAL V2.1
8.1.3
XMS 4A AUXILIARY CONNECTOR (4 PIN)
Pin
Signal
Description
1
W1
Wire #1 output, switched to ground
2
W2
Wire #2 output, switched to ground
3
W3
Wire #3output, switched to ground
4
W4
Wire #4 output, switched to ground
8.1.4
XMS 4A MAIN CONNECTOR (22 PIN)
Pin
Signal
Description
1
MAP SW
Map Switch Input, Open=high=A
2 CB
1
-
3 GND
Signal
Ground
4 CB
2
-
5
Rev Counter
Rev counter driver
6 AMPIN
0-5V
input
signal
7 TPSIN
0-5V
input
signal
8 N/C
Not
used
9
+5volts EXT
+5, 0.1A Output for TPS and AMP
10
+5volt pull up
11 GND
12 N/C
Not
used
13
Cb 1 +
14 GND
15
Cb 2 +
16 N/C
Not
used
17
AIRT IN
0-5V input, internal pullup 2k2 to +5
18
ENGT IN
0-5V input, internal pullup 2k2 to +5
19 N/C
Not
used
20
Launch Switch SWITCH input, normal high (open)
21
+5volt pull up
22
+ SUPPLY
Switched Battery Supply
Refer to section
33
and
34
for a basic wiring diagram of the XMS4A-2A and the XMS4A-4A.
Please note
: The diagrams serve only as a guide to assist with the installation.