Wire view of aem ems – AEM 30-6620 Series 2 Plug & Play EMS User Manual
Page 11
Connection Diagram for EMS P/N 30-6620
Pin
‘89-‘98 Nissan Skyline RB26DETT,
‘93-‘98 Nissan Skyline RB25DET,
‘89-‘94 Nissan Skyline RB20DET
1990-1995 Nissan 300ZX
VG30DE, VG30DETT, 1992-
1994 Nissan Maxima VE30DE
‘94-‘96 Nissan Silvia S14 SR20DET,
‘88-‘91 Nissan Silvia S13 CA18DET,
‘89-‘93 Nissan 180SX CA18DET
AEM EMS
30-6620
I/O
Notes
41
Camshaft Position Sensor
Reference Signal
←
←
Cam Signal
Input
Dedicated, must use AEM replacement trigger disc
(connects to pin 51)
42
Camshaft Position Sensor Signal
←
←
Crank Signal
Input
Dedicated, must use AEM replacement trigger disc
(connects to pin 52)
43
Ignition Switch (start position)
←
←
+12V starting
power
Input
Dedicated
44
Neutral Position Switch
←
←
Switch 4
Input
Available, switch must connect to ground
45
Ignition Switch
←
←
Main relay
(input)
Input
Dedicated, +12V activates Main Relay circuit
46
Air Conditioner Switch
←
←
Switch 6
Input
PnP for A/C request switch
47
Diagnostics Check Signal
←
←
EGT 4
Input
Available, jumper set for 0-5V Input
48
+5V Sensor reference power
←
←
+5V Sensor
Output
Dedicated
49
Power Supply For ECM
←
←
+12V
Switched
Input
Dedicated, +12V power when ECCS Relay is on
50
ECM Ground
←
←
Power Ground
Input
Dedicated
51
Camshaft Position Reference Signal
←
←
Cam Signal
Input
Dedicated, must use AEM replacement trigger disc
(connects to pin 41)
52
Camshaft Position Sensor Signal
←
←
Crank Signal
Input
Dedicated, connects to Pin 42
53
Vehicle Speed Sensor Signal
←
←
T3 (Vehicle
Speed)
Input
PnP for Vehicle Speed Sensor
54
Idle Position Switch
←
←
Switch 1
Input
Available, switch must connect to ground
55
Rear Heated Oxygen Sensor
(RB26DETT)
Left Side Heated Oxygen
Sensor
A/C FICD (CA18DET Only)
O2 #2
Input
Dedicated, 0-5V signal
56
Throttle Sensor Output Signal
Throttle Sensor Output Signal
(Auto Trans only)
Throttle Sensor Output Signal
(Auto Trans only)
TPS Out
Output
Dedicated, for use with GT-R auxiliary devices (Attesa AWD
control, Dashboard display)
57
Power source for Idle Position switch
←
Power for Idle Position switch
(CA18DET)
CAN1L
Output
Dedicated
58
Power Supply Back-Up
←
←
Permanent
+12V
Input
Dedicated, backup power for internal datalog
59
Power Supply for ECM
←
←
+12V
Switched
Input
Dedicated, +12V power when ECCS Relay is on
60
ECM Ground
←
←
Power Ground
Input
Dedicated
Wire View of AEM EMS