AEM 30-3703 Infinity-8/10/12 Mini-Harness - Manual (Page 11)

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© 2014 AEM Performance Electronics
6 Infinity-8/10/12 ECU Pinout
Infinity Pin Hrdwr Ref. Hardware Specification Notes
C1-1 LowsideSwitch_4_Out Lowside switch, 4A max, NO
internal flyback diode.
No pullup
Normally used as A/C Relay Control output.
C1-2 LowsideSwitch_5_Out Lowside switch, 4A max with
internal flyback diode. Inductive
load should NOT have full time
power.
No pullup
See Setup Wizard Page "LowSide Assignment
Tables" for output assignment and 2D table
"LS5_Duty [%]" for activation.
C1-3 LowsideSwitch_6_Out Lowside switch, 4A max with
internal flyback diode. Inductive
load should NOT have full time
power.
No pullup
See Setup Wizard Page "LowSide Assignment
Tables" for output assignment and 2D table
"LS6_Duty [%]" for activation.
C1-4 UEGO 1 Heat_Out Bosch UEGO controller Lowside switch for 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
fused/switched 12V supply.
C1-5 UEGO 1 IA_In Trim Current signal. Connect to pin 2 of Bosch
UEGO sensor
C1-6 UEGO 1 IP_In Pumping Current signal. Connect to pin 6 of Bosch
UEGO sensor
C1-7 UEGO 1 UN_In Nernst Voltage signal. Connect to pin 1 of Bosch
UEGO sensor
C1-8 UEGO 1 VM_In Virtual Ground signal. Connect to pin 5 of Bosch
UEGO sensor.
C1-9 Flash_Enable_In 10K pulldown Not usually needed for automatic firmware
updates through Infinity Tuner. If connection
errors occur during update, connect 12 volts to
this pin before proceeding with upgrade.
Disconnect the 12 volts signal after the update.
C1-10 +12V_R8C_CPU_In Dedicated power management CPU Full time battery power. MUST be powered before
the ignition switch input is triggered (See C1-65).
C1-11 Coil 4_Out 25 mA max source current 0-5V Falling edge fire. DO NOT connect directly to
coil primary. Must use an ignitor OR CDI that
accepts a FALLING edge fire signal.
C1-12 Coil 3_Out 25 mA max source current 0-5V Falling edge fire. DO NOT connect directly to
coil primary. Must use an ignitor OR CDI that
accepts a FALLING edge fire signal.