AEM 30-6620 Series 2 Plug & Play EMS - 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