AEM 30-6040 Series 2 Plug & Play EMS User Manual
Page 8
Page 8 of 11
Pin #
OBD1 Honda / Acura
AEM EMS 30-6040
I/O
Availability
B1
Power Source 2
+12V Switched
Both
Dedicated
B2
Logic Ground 2
Power Ground
Both
Dedicated
B3
---
Coil 3
Output Avail, Rising Edge Trigger Coil Out
B4
---
Coil 4
Output Avail, Rising Edge Trigger Coil Out
B5
A/C Switch Signal
Switch 3
Input
PnP for A/C Switch Signal
B6
---
Coil 2
Output Avail, Rising Edge Trigger Coil Out
B7
---
ADCR13
Input
Avail, 0-5 Volt Input, 100k pull up
B8
Power Steering Pressure Switch
Switch 5
Output
Avail, Switched Input
B9
Starter Switch Signal
+12V When Cranking
Input
Dedicated
B10
Vehicle Speed Sensor
T3 (Vehicle Speed)
Input
PnP for Vehicle Speed Sensor
B11
CYP +
Cam Sensor
Input
Dedicated, PnP 1 pulse per cycle
B12
CYP -
Timing Ground
Output
Dedicated
B13
TDC +
T4 (Spare Speed)
Input
Avail, Magnetic Speed Sensor
B14
TDC -
Timing Ground
Output
Dedicated
B15
CKP +
Crank Sensor
Input Dedicated, PnP 24 pulses per cycle
B16
CKP-
Timing Ground
Output
Dedicated
Pin #
OBD1 Honda / Acura
AEM EMS 30-6040
I/O
Availability
C1
---
+12V Switched
Input
Dedicated
C2
---
CAN1H
---
Dedicated
C3
---
Tach Output (LS7)
Output
Avail, Switched Gnd, 1.5A max
C4
---
Low Side Driver 9
Output
Avail, Switched Gnd, 1.5A max
C5
---
Switch 6
Input
Avail, Switched Input
C6
---
Low Side Driver 1
Output
Avail, Switched Gnd, 1.5A max
C7
---
Switch 1
Input
Avail, Switched Input
C8
---
IDLE #3
Output
Avail, Ground / +12V, 1.5A max
C9
---
ADCR14
Input
Avail, 0-5 Volt Input, 100k pull up
C10
---
PW 2
Output
Avail, Boost Control Solenoid
C11
---
High Side Driver 2
Output
Avail, +12V, 1.5A max
C12
---
Switch 2
Input
Avail, Switched Input