16
© 2021 AEM Performance Electronics
30-6053
Connector E
Pin Name
AEM EMS
pin location
Tapped or
intercepted?
E1
Engine Coolant Temperature sensor 2
--
--
E2
--
--
--
E3
Logic Ground 3
--
--
E4
Sensor Ground 3
--
--
E5
Sensor Voltage 3
--
--
E6
--
--
--
E7
Main Relay control
--
--
E8
AF sensor heater relay
--
--
E9
Ignition signal (ignition signal on EMS)
Relay pin 1 & B1
tapped
E10
--
--
--
E11
CAN High
--
--
E12
Radiator Fan control (LS 8 on EMS)
A20
intercepted
E13
SEFMJ multiplex communication
--
--
E14
Fuel Tank Pressure sensor
--
--
E15
Electrical Load detector
--
--
E16
Power Steering Load detector
--
--
E17
Fuel Pump relay (LS 1 on EMS)
A15
intercepted
E18
A/C Compressor clutch relay
A17
intercepted
E19
Evap Canister vent shut valve
--
--
E20
Secondary O2 sensor signal
--
--
E21
Secondary O2 sensor heater
--
--
E22
Brake Pedal position switch
--
--
E23
--
--
--
E24
CAN Low
--
--
E25
Engine speed pulse
--
--
E26
Vehicle speed out
--
--
E27
Immobilizer code
--
--
E28
A/C switch signal
--
--
E29
Service Check signal
--
--
E30
Write Enable signal
--
--
E31
--
--
--
Honda S2000 ECU Pin Numbering
AEM Series 2 EMS Pinout
PnP
Plug and Play system comes with this pin configured for proper operation of this device,
though it is still available for reassignment by the end user.
Available
Pin is not currently allocated and is available for use.
Dedicated
Pin assignment is fixed and cannot be changed.
