AEM GM LS 24x Plug Play Engine Harness 303532 User Manual

							 Rev A, 2013/02/05  
 
C2-31 AGND_2 Dedicated analog ground Analog 0-5V sensor ground 
C2-32 AGND_2 Dedicated analog ground Analog 0-5V sensor ground 
C2-33 Analog_In_20 12 bit A/D, 100K pullup to 5V 
0-5V analog signal.  Use +5V Out pins as power supply and 
Sensor Ground pins as the low reference.  Do not connect 
signals referenced to +12V as this can permanently damage the 
ECU.  
C2-34 Analog_In_21 12 bit A/D, 100K pullup to 5V 
0-5V analog signal.  Use +5V Out pins as power supply and 
Sensor Ground pins as the low reference.  Do not connect 
signals referenced to +12V as this can permanently damage the 
ECU. See 3StepSwitch 1-axis table for setup.   
C2-35 Analog_In_22 12 bit A/D, 100K pullup to 5V 
0-5V analog signal.  Use +5V Out pins as power supply and 
Sensor Ground pins as the low reference.  Do not connect 
signals referenced to +12V as this can permanently damage the 
ECU. See USBLoggingRequestIn channel for input state.  See 
Setup Wizard page USB Logging for configuration options. 
C2-36 Analog_In_23 12 bit A/D, 100K pullup to 5V 
0-5V analog signal.  Use +5V Out pins as power supply and 
Sensor Ground pins as the low reference.  Do not connect 
signals referenced to +12V as this can permanently damage the 
ECU. See ChargeOutPress [kPa] channel for input state.  See 
Setup Wizard page Charge Out Pressure for calibration options. 
C2-37 Digital_In_6 No pullup.  Will work with TTL signals. Input can be assigned to different pins.  See Setup Wizard page 
Input Function Assignments for input mapping options. 
C2-38 Digital_In_7 No pullup.  Will work with TTL signals. 
See ClutchSwitch 1-axis table for setup options.  Input can be 
assigned to different pins.  See Setup Wizard page Input 
Function Assignments for input mapping options. 
C2-39 Power Ground Power Ground Connect directly to battery ground 
C2-40 Power Ground Power Ground Connect directly to battery ground 
C2-41 CanH_Bout Dedicated High Speed CAN Transceiver Not used 
C2-42 CanL_Bout Dedicated High Speed CAN Transceiver Not used 
C2-43 LowsideSwitch
_8 
Lowside switch, 4A max with internal flyback diode. 
Inductive load should NOT have full time power.  
Activates if any of the following flags are true:  
OilPressProtectOut, LeanProtectOut, CoolantProtect.  Output 
can be assigned to other functions.  See Setup Wizard page 
LowSide Assignment Tables for additional options.   
C2-44 LowsideSwitch
_7 
Lowside switch, 4A max with internal flyback diode. 
Inductive load should NOT have full time power.  
See Spare GPO1 Basic Setup section of User GPIOs and PWM 
Setup Wizard page LowSide Assignment Tables for additional 
options. 
C2-45 UEGO 2 VM 
Bosch UEGO Controller 
Virtual Ground signal.  Connect to pin 5 of Bosch UEGO sensor. 
C2-46 UEGO 2 UN Nernst Voltage signal.  Connect to pin 1 of Bosch UEGO sensor 
C2-47 UEGO 2 IP Pumping Current signal.  Connect to pin 6 of Bosch UEGO sensor 
C2-48 UEGO 2 IA Trim Current signal.  Connect to pin 2 of Bosch UEGO sensor 
C2-49 UEGO 2 HEAT 
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. 
C2-50 +12V_R8C_CP
U Dedicated power management CPU Optional full time battery power.  MUST be powered before the 
ignition switch input is triggered (See C1-65). 
C2-51 Coil 7 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. 
  
						

							 Rev A, 2013/02/05  
 
C2-52 Coil 8 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. 
C2-53 Coil 9 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. 
C2-54 Coil 10 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. 
C2-55 Highside Fuel 
Pump switch 
Highside switch, 0.7A max, Solid State Relay, NO 
internal flyback diode. 
+12V High Side Drive.  Will prime for 2 seconds at key on and 
activate if RPM > 0. 
C2-56 Not used Not used Not used 
 
 
 
 
 
 
 
 
 
AEM Infinity Connectors Viewed From Wire Side 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
						

							 Rev A, 2013/02/05  
12 Month Limited Warranty 
  
Advanced  Engine  Management,  Inc.  warrants  to  the  consumer  that  all  AEM  High  Performance  products  will  be  free  from  defects  in 
material and  workmanship for a period of twelve (12) months from date of the original purchase. Products that fail within this 12 month 
warranty period will be repaired or replaced at AEM’s option, when determined by AEM that the product failed due to defects in material 
or workmanship. 
  
This warranty is limited to the repair or replacement of the AEM part. In no event shall this warranty exceed the original purchase price 
of the AEM part nor shall AEM be responsible for special, incidental or consequential damages or cost incurred due to the failure of this 
product. 
  
Warranty claims to  AEM must be transportation prepaid and accompanied with dated proof of purchase. This  warranty applies 
only to the original purchaser of product and is non-transferable. All implied warranties shall be limited in duration to the said 12 month 
warranty period. Improper use or installation, accident, abuse, unauthorized repairs or alterations voids this warranty. 
  
An  AEM  Warranty  Claim  Form  Must  Accompany  All  Warranty  Claims.  Products  returned  to  AEM  with  no  Return  Goods 
Authorization and or No Warranty Claim Form may be rejected and returned to sender. 
  
AEM disclaims any liability for consequential damages due to breach of any written or implied warranty on all products manufactured by 
AEM. Warranty returns will only be accepted be AEM when accompanied by a valid Return Goods Authorization (RGA) number. Credit 
for defective products will be issued pending inspection. Product must be received by AEM within 30 days of the date RGA was issued. 
   
Please note that before we can issue an  RGA for any  product, it is first necessary for the installer or  end user to contact our 
EMS  tech  line  at  (800)  423-0046  to  discuss  the  problem.  Most  issues  can  be  solved  over  the  phone.  Under  no  circumstances 
should a product be returned or RGA requested before the above process transpires. 
  
AN  AEM  WARRANTY  CLAIM  FORM  MUST  ACCOMPANY  ALL  ELECTRONICS  WARRANTY  CLAIMS.  AEM  ELECTRONIC 
Products returned to AEM with no RGA and or No Warranty Claim Form may be rejected and returned to sender. 
  
A  copy  of  the  AEM  Warranty  Claim  Form  can  be  e-mailed  or  faxed  by  contacting  (310)  484-2322  and  ask  for  Warranty/Claims 
Department. 
 
Need additional help?  Contact the AEM Performance Electronics tech department at 1-800-423-0046 or [email protected], 
or visit the AEM Performance Electronics forum at: http://forum.aempower.com/forum/