AEM 30-3903 Infinity Plug & Play Harnesses - Volkswagen 2002-2005 MKIV Golf/Jetta 1.8T User Manual
Page 22
3903-MKIV 1.8T
22
© 2014 AEM Performance Electronics
C1-24
AGND
Sensor
Ground
91, 99, 108
Dedicated analog ground
Sensor ground f or 0-5v analog inputs.
C1-25
Crank Position
Sensor 1 Hall
Not used
No connect
10K pullup to 12V. Will work with
ground or f loating switches.
Frequency input only .
Not used.
C1-26
Cam Position
Sensor 1 Hall
Cam Position
Sensor
86
10K pullup to 12V. Will work with
ground or f loating switches.
Frequency input only .
See Setup Wizard Cam/Crank page f or options.
C1-27
Digital_In_2
Not used
No connect
10K pullup to 12V. Will work with
ground or f loating switches.
Frequency input only .
Not used.
C1-28
Digital_In_3
Vehicle Speed
Sensor
54
10K pullup to 12V. Will work with
ground or f loating switches.
Frequency input only .
See Setup Wizard Vehicle Speed page.
C1-29
Digital_In_4
Spare
Frequency
Input
Aux 6
10K pullup to 12V. Will work with
ground or f loating switches.
Frequency input only .
Can be used f or Flex Fuel or Turbo Speed or other
f requency input. See Setup Wizard to conf igure input.
C1-30
Digital_In_5
Brake Switch
55
10K pullup to 12V. Will work with
ground or f loating switches. Switch
input only .
Brake switch input f or DBW Brake Throttle Ov erride.
See Driv e By Wire Wizard to conf igure.
C1-31
Digital_In_6
Spare
Frequency
Input
Aux 7
10K pullup to 12V. Will work with
ground or f loating switches.
Frequency input only .
Can be used f or Flex Fuel or Turbo Speed or other
f requency input. See Setup Wizard to conf igure input.
C1-31
Coil 7
(Inf inity -8h Only )
Not used
Not used
25 mA max source current
Not used. Spare Frequency input lost if using Inf inity -
8h. MUST remov e pin f rom Inf inity 80 pin connector.
C1-32
Digital_In_7
A/C Request
Switch
40
10K pullup to 12V. Will work with
ground or f loating switches. Switch
input only .
Used to activ ate Idle A/C Of f set. See Setup Wizard
Idle page f or options.
C1-32
Coil 8
(Inf inity -8h Only )
Not used
Not used
25 mA max source current
Not used. Idle A/C Of f set f unction lost if using Inf inity -
8h. MUST remov e pin f rom Inf inity 80 pin connector.
C1-33
Power Ground
Ground
2
Power ground
Power ground.
C1-34
CAN A-
AEMNet CAN-
AEMNet
Dedicated high speed CAN
transceiv er
Four pin DTM connector in AEM adapter harness.
Contact AEM f or additional inf ormation.
C1-35
CAN A+
AEMNet CAN
+
AEMNet
Dedicated high speed CAN
transceiv er
Four pin DTM connector in AEM adapter harness.
Contact AEM f or additional inf ormation.
C1-36
CAN B-
Chassis
CAN-
CAN-
58
Dedicated high speed CAN
transceiv er
Used f or VW CAN bus.
C1-37
CAN B+
Chassis
CAN+
60
Dedicated high speed CAN
transceiv er
Used f or VW CAN bus.
C1-38
Temp 1
Coolant Temp
Sensor
93
2.49k pullup to 5v
See Setup Wizard Coolant Temperature page f or options.
C1-39
Temp 2
Air Temp
Sensor
85
2.49k pullup to 5v
See Setup Wizard Air Temperature page f or options.
C1-40
Temp 3
Spare Temp
Input
Aux 5
2.49k pullup to 5v
Can be used f or Oil Temperature input. See Setup
Wizard Oil Temperature page.
C1-41
LowsideSwitch_0
Fuel Pump
65
Lowside switch, 4A max, NO
internal f ly back diode. No pullup.
Switched ground. Will prime f or 2 seconds at key on
and activ ate if RPM > 0.
C1-42
LowsideSwitch_1
Boost Control
104
Lowside switch, 4A max with internal
f ly back diode. Inductiv e load should
NOT hav e f ull time power. No
pullup.
See Setup Wizard Boost Control page f or options.
Monitor BoostControl [%] channel f or output state. Base
session conf igured to driv e stock N75 boost control
solenoid.
C1-43
Power Ground
Ground
1
Power ground
Power ground.
C1-44
Knock Sensor 1
Knock Sensor
1
106
Dedicated knock signal processor
See Setup Wizard Knock Setup page f or options.
C1-45
Knock Sensor 2
Knock Sensor
2
107
Dedicated knock signal processor
See Setup Wizard Knock Setup page f or options.
C1-46
Power Ground
Ground
1
Power ground
Power ground.
C1-47
Main Relay
Control
Ground out to
main relay
21
0.7A max ground sink f or external
relay control
Will activ ate at key on and at key of f according to the
conf iguration settings.
C1-48
Ign Switch
Ignition Switch
3
10k pulldown
Full time battery power must be av ailable at C1-10
bef ore this input is triggered.