AFR200 Series, Product User Guide
This document is subject to change without notice.
Caution: None of GAC products are flight certified controls including this item
Copyright © 2010, Governors America Corp., All Rights Reserved
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PUG4144 D
8 Electrical Connections
8.1 AFR Connector Definitions
AFR Connector J1 Pinout (35-Pin)
#
Description
Comment
Gauge
1
GAC ATB Low
Low Side of the GAC ATB Output
16 AWG
2
RS232 Receive
RS232 Communication Port
20 AWG
3
Oil Pressure
Oil Pressure Resistive Analog Input
20 AWG
4
Coolant Temperature
Coolant Temperature Resistive Analog Input
20 AWG
5
MAP Signal
Manifold Absolute Pressure 0-5V Analog Input
20 AWG
6
MAP Power
Manifold Absolute Pressure 5V Power
20 AWG
7
MAP Ground
Manifold Absolute Pressure Sensor Ground
20 AWG
8
Stepper Motor 1
Stepper Motor Control Output 1
20 AWG
9
Stepper Motor 2
Stepper Motor Control Output 2
20 AWG
10
Main Power Relay
Main Power Relay Enable Signal
16 AWG
11
O2 Sensor 1 Ground
Oxygen Sensor 1 Ground
18 AWG
12
Mag Pickup Ground
Magnetic Speed Pickup Sensor Ground
18 AWG
13
RS232 Transmit
RS232 Communication Port
20 AWG
14
Not Used
Not Used
N/A
15
Not Used
Not Used
N/A
16
Not Used
Not Used
N/A
17
Not Used
Not Used
N/A
18
MIL
Malfunction Indicator Lamp Output - 2A
16 AWG
19
EGT +
Exhaust Gas Temperature Input +
20 AWG
20
O2 Sensor 1
Oxygen Sensor 1, 0-1V Analog Input
18 AWG
21
Stepper Motor 3
Stepper Motor Control Output 3
20 AWG
22
Stepper Motor 4
Stepper Motor Control Output 4
20 AWG
23
RS232 Ground
RS232 Communication Port Ground
20 AWG
24
GAC ATB High
High Side of the GAC ATB Output
16 AWG
25
EGT -
Exhaust Gas Temperature Input -
20 AWG
26
Auxiliary Speed Trim
Auxiliary Speed Trim
20 AWG
27
Mag Pickup
Magnetic Speed Pickup Input
18 AWG
28
Speed Select 1
Speed Select Switch 1 Input
20 AWG
29
Speed Select 2
Speed Select Switch 2 Input
20 AWG
30
Variable Speed
Variable Speed Resistive Input
20 AWG
31
CAN High
CANbus High Signal
20 AWG
32
CAN Low
CANbus Communication Low Signal
20 AWG
33
CAN Termination
CANbus Termination Resistor
(when tied to CAN Low)
20 AWG
34
Battery Ground
Battery Ground
16 AWG
35
Battery
12/24 Volt DC Battery Power
16 AWG
