Wire view of aem ems – AEM 30-6600 Series 2 Plug & Play EMS User Manual
Page 10

Connection Diagram for EMS P/N 30-6600
1989-1994 Nissan 240SX S14 KA24DE
1991-1994 Nissan Sentra B13 GA16DE
1990-1994 Nissan Pulsar GTi-R N14 SR20DET
1991-1993 Nissan NX B13 GA16DE
1993-1994 Nissan Altima U13 KA24DE
1989-1995 Nissan Bluebird U13 SR20DET
Pin
1991-1993 Infiniti G20 P10 SR20DE
AEM EMS 30-
6600
I/O
Notes
31
Crankshaft Position Sensor Signal Crank
Signal
Input
Dedicated, must use AEM replacement trigger
disc. Connects to pin 40
32
Vehicle Speed
Vehicle Speed
Input
PnP for Vehicle Speed Sensor
33
Idle Sw (89-90 240SX)/5
th
Pos Sw (91-94 240SX)
ADCR11
Input
Available, 0-5 Volt Input
34
Start Signal
+12V Switched
Input
Dedicated
35
Neutral Position Switch
MAP
Input
Available, Manifold Pressure
36
Ignition Switch
Main Relay (input)
Input
Dedicated, +12V activates Main Relay circuit
37
Throttle Position Sensor Power
+5V Sensor
Output
Dedicated
38
Power Supply for ECM
+12V Switched
Input
Dedicated, +12V power when ECCS Relay is on
39
ECCS Ground
Power Ground
Input
Dedicated
40
Crankshaft Position Signal
Crank Signal
Input
Dedicated, must use AEM replacement trigger
disc. Connects to pin 31
41
Air Conditioner Switch
Switch 6
Input
PnP for A/C Switch
42
4
th
Position Switch (91-94 240SX only)
CAN1L
Input
Dedicated, CAN low side
43
Power Steering Oil Pressure Switch
Switch 2
Input
Available, Switched Input
44
Idle Switch Positive Side (89-90 240SX);
Rear window defogger (91-94 240SX)
EGT 3
Input
Available, jumper set for 0-5V Input
45
Air Conditioner FICD (Except 2.0L);
Position Sw (89-90 240SX)
Low Side 2
Output
Available, Switched Ground, 1.5A Max
46
Back-up Power Supply
Permanent +12V
Input
Dedicated, used to store internal log
47
Power Supply for ECM
+12V Switched
Input
Dedicated, +12V power when ECCS Relay is on
48
ECCS Ground
Power Ground
Input
Dedicated
101
Injector 1
Injector 1
Output
PnP for Injector 1 (Peak & Hold 4A/1A driver)
102
Pulse Secondary Air Inj (240SX & 91-93 2.0L only)
Low Side 4
Output
Available, Switched Ground, 1.5A max
103
Injector 3
Injector 3
Output
PnP for Injector 3 (Peak & Hold 4A/1A driver)
104
Fuel Pump Relay control
Low Side 11
Output
PnP for Fuel Pump
105
EGR Control Solenoid Valve
Injector 6
Output
Available, Switched Ground, 1.5A max
106
Pressure Regulator Control Sol (89-90 240SX only)
Low Side 9
Output
PnP for Fuel Pump
107
ECCS Ground
Power Ground
Input
Dedicated
108
ECCS Ground
Power Ground
Input
Dedicated
109
Back-Up Power Supply
Permanent +12V
Input
Dedicated, used to store internal log
110
Injector 2
Injector 2
Output
PnP for Injector 2 (Peak & Hold 4A/1A driver)
111
O2 Sensor Heater (91-94 2.0L & 94 1.6L only)
PW 2
Output
Available, Switched Ground, 1.5 max
112
Injector 4
Injector 4
Output
PnP for Injector 4 (Peak & Hold 4A/1A driver)
113
Idle Auxiliary Air Control Valve
PW 1
Output
PnP for Idle Air Control
114
--- Injector
8
Output
Available, Switched Ground, 1.5A max
115
--- EGT
4
Input
Available, jumper set for 0-5V Input
116
ECCS Ground
Power Ground
Input
Dedicated
Wire View of AEM EMS
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