Wire view of aem ems – AEM 30-6620 Series 2 Plug & Play EMS User Manual
Page 10
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
21
Diagnostics Receive Data
←
←
EGT 2
Input
Available, jumper set for 0-5V Input
22
Diagnostics Transmit Data
←
←
Switch 3
Input
Available, switch must connect to ground
23
Knock Sensor (Cylinders 1-3)
Knock Sensor
Knock Sensor
Knock 1
Input
Available, software knock filter
24
Knock Sensor (Cylinders 4-6)
---
---
Knock 2
Input
Available, software knock filter
25
Wastegate Valve Control Solenoid
Signal
Wastegate Solenoids
(300ZX TT Only)
Wastegate Solenoid (SR20DET only)
PW 2
Output
PnP for Boost control, connects to Pin 5
26
Mass Air Flow Sensor Ground
←
←
Power Ground
Input
Dedicated
27
Rear Mass Air Flow Sensor
(RB26DETT)
Mass Air Flow Sensor
Mass Air Flow Sensor
MAF
Input
PnP for MAF Sensor
28
Engine Coolant Temperature Sensor
←
←
Coolant
Input
PnP for Engine Coolant Temp
29
Front Heated Oxygen Sensor Signal
Right Side Heated Oxygen
Sensor
Heated Oxygen Sensor Signal
O2 #1
Input
Dedicated, 0-5V signal
30
Sensor Ground
←
←
Sensor
Ground
Output
Dedicated
31
Diagnostics Clock
←
←
EGT 3
Input
Available, jumper set for 0-5V Input
32
Malfunction Indicator Lamp
←
←
Low Side
Driver 10
Output
Avail, Switched Ground, 1.5A Max
33
Exhaust Temperature Light
(RB25DET Only)
FICD Solenoid (300ZX Only)
Cooling Fan Hi Speed (SR20DET) /
Diagnostics (CA18DET)
Injector 8
Output
PnP for Cooling Fan
34
Front Mass Air Flow Ground
(RB26DETT)
Power Steering Oil Press sw
Power Steering Oil Press sw
(SR20DET Only)
Switch 2
Input
Available, switch must connect to ground
35
Front Mass Air Flow Signal
(RB26DETT)
Fuel Pump Voltage Control
(300ZX Turbo Only)
Boost Pressure Sensor (SR20DET
Only)
MAP
Input
Available, use this pin for Speed Density conversion
36
IAT Sensor (RB26) / FICD solenoid
(RB25)
Fuel Temperature Sensor
(300ZX Only)
---
AIT
Input
Avail, Air Temperature, 2.2kΩ pull-up resistor
37
---
---
Mass Air Flow Pin D (CA18DET-Non
Catalytic Model Only)
ADCR14
Input
Avail, 0-5 Volt Input
38
Throttle Position Sensor
←
←
TPS
Input
PnP for Throttle Position signal
39
---
EGR Temperature Sensor
---
EGT 1
Input
Available, jumper set for 0-5V Input
40
---
---
---
CAN1H
---
Dedicated
Wire View of AEM EMS