Wire view of aem ems – AEM 30-6053 Series 2 Plug & Play EMS User Manual
Page 16
Page 16 of 21
Connection Diagram for EMS P/N 30-6053
Please note that the following pinout is for the AEM EMS and not the original Honda S2000
wiring harness.
PnP
Means the Plug and Play system comes with this configured for proper operation of this
device. Is still available for reassignment by the end user.
Available
Means the function is not currently allocated and is available for use
Dedicated
Means the location is fixed and cannot be changed
Not used
Means that the AEM EMS does not use this pin location for this application
Pin
AEM adapter harness pinout
(gray connectors wired to vehicle
wiring harness)
AEM EMS 30-6053
EMS I/O
EMS pin description
A1
--
Coolant dash
signal
Output
Available, provides coolant temperature gauge signal for Honda
instrument cluster
A2
Fuel pump
Low side 1
Output
PnP for fuel pump activation
A3
--
Low side 3
Output
Available, switched ground, 1.5A max
A4
VTEC stock computer oil pressure switch
Low side 5
Output
PnP for VTEC oil pressure switch
A5
-- EGT
1
Input
Available, exhaust gas temperature sensor number 1,
jumper set for 0-5V input
A6
--
Low side 4
Output
Available, switched ground, 1.5A max
A7
-- Sensor
ground
Output
Available, filtered ground for sensors
A8
--
Low side 12
Output
Available, switched ground, 1.5A max
A9
--
Vehicle Speed (T3)
Input
Available, vehicle speed sensor (connected to C23)
A10
-- Injector
12
Output
Available, pulse width modulated switched ground, 1.5A max
A11
VTEC ground for stock computer
Filtered ground
Output
Dedicated, used to emulate the VTEC solenoid
A12
-- Injector
9
Output
Available, pulse width modulated switched ground, 1.5A max
A13
-- Coil
7
Output
Available, 0-5V falling edge signal
(only available for use with 3-wire smart coils)
A14
-- Injector
11
Output
Available, pulse width modulated switched ground, 1.5A max
A15
--
Low side 11
Output
Available, switched ground, 1.5A max (connected to A16)
A16
--
Low side 11
Output
Available, switched ground, 1.5A max (connected to A15)
Wire View of AEM EMS