1993–1998 Toyota Supra MKIV Twin Turbo
15
© 2015 AEM Performance Electronics
PINOUTS
Infinity Pinouts
Dedicated
Dedicated and not reconfigurable
Assigned
Assigned but reconfigurable
Available
Available for user setup
Not Applicable
Not used in this configuration
Required
Required for proper function
Infinity
Pin
Hardware Reference
7100-XXXX-62
7101-XXXX-63
Function
Hardware Specification
Notes
C1-1
LowsideSwitch_4
A/C Relay Control
Lowside switch, 4A max, NO
internal f ly back diode.
See "LowSide Assignment Tables" f or
output assignment.
C1-2
LowsideSwitch_5
LS5
Lowside switch, 4A max with
internal f ly back diode. Inductiv e
load should NOT hav e f ull time
power.
See Setup Wizard Page "LowSide
Assignment Tables" f or output assignment
and 2D table "LS5_Duty [%]" f or
activ ation.
C1-3
LowsideSwitch_6
LS6
Lowside switch, 4A max with
internal f ly back diode. Inductiv e
load should NOT hav e f ull time
power.
See Setup Wizard Page "LowSide
Assignment Tables" f or output assignment
and 2D table "LS6_Duty [%]" f or
activ ation.
C1-4
UEGO 1 Heat
UEGO 1 Heat
Bosch UEGO controller
Lowside switch f or UEGO heater control.
Connect to pin 4 of Bosch UEGO sensor.
NOTE that pin 3 of the Sensor is heater (+)
and must be power by a f used/switched
12V supply .
C1-5
UEGO 1 IA
UEGO 1 IA
Trim Current signal. Connect to pin 2 of
Bosch UEGO sensor.
C1-6
UEGO 1 IP
UEGO 1 IP
Pumping Current signal. Connect to pin 6
of Bosch UEGO sensor.
C1-7
UEGO 1 UN
UEGO 1 UN
Nernst Voltage signal. Connect to pin 1 of
Bosch UEGO sensor.
C1-8
UEGO 1 VM
UEGO 1 VM
Virtual Ground signal. Connect to pin 5 of
Bosch UEGO sensor.
C1-9
Flash_Enable
Flash Enable
10K pulldown
Not usually needed f or automatic f irmware
updates through Inf inity Tuner. If
connection errors occur during update,
connect 12 v olts to this pin bef ore
proceeding with upgrade. Disconnect the
12 v olts signal af ter the update.
