AEM 30-3510 Infinity Plug & Play Harnesses - BMW 2001-2006 E46 M3 User Manual
Page 27
2001–2006 BMW E46 M3
27
© 2014 AEM Performance Electronics
BMW
Pin
01–06 E46 M3
00–02 M Coupe
00–02 M
Roadster
EMS
Pin
Hardw are
Reference
Function
Hardw are
Specification
Notes
1 (USA Models Only)
ch_0
flyback diode.
seconds at key on and activate if RPM >
0.
12
Signal-E-Box Fan
Temperature
GND
13
Heater Ground-Oxygen
Sensor II Before Catalytic
Converter
NC
14
Signal-Heated Oxygen
Sensor I Before Catalytic
Converter
NC
15
Signal-Heated Oxygen
Sensor II Before Catalytic
Converter
NC
16
Signal-Heated Oxygen
Sensor I Behind Catalytic
Converter
NC
17
Not Used
NC
18
Signal-Heated Oxygen
Sensor II Behind Catalytic
Converter
NC
19
Heater Ground-Oxygen
Sensor II Behind Catalytic
Converter
NC
20
Signal-Gear Recognition
Clutch Switch
C2-38
Harness_Digital_In_7
Clutch Switch
10K pullup to 12V. Will work with
ground or floating switches.
See ClutchSwitch 1-axis table for setup
options. Open unless clutch out and
gear in = 12V
21
Signal-CAN Bus Low
SMG2 Control Module
(SMG Only)
NC
22
Signal-CAN Bus High
SMG2 Control Module
(SMG Only)
NC
23
Signal-Main Relay
Activation-DME Relay
C1-29
Harness_
+12V_Relay_Control
Main Relay
0.7A max ground sink for external
relay control
Will activate at key on and at key off
according to the configuration settings.
24
Not Used
NC
X
6
0
0
0
3
1
Signal-Hot-Film Mass
Air Flow Sensor
C2-33
Harness_Analog_In_2
0
MAF Analog
12 bit A/D, 100K pullup to 5V
0–5V analog signal. Use +5V Out pins
as power supply and Sensor Ground
pins as the low reference. Do not
connect signals referenced to +12V as
this can permanently damage the ECU.
2
Signal-Exhaust Camshaft
Position Sensor I
C1-22
Harness_Digital_In_1
Cam1
10K pullup to 12V. Will work with
ground or floating switches.
See Setup Wizard page Cam/Crank for
options.
3
Not Used
NC
4
Activation VANOS Inlet
Valve Advance
C2-44
Harness_LowsideSwit
ch_7
VANOS
Lowside switch, 4A max with internal
flyback diode. Inductive load should
NOT have full time power.
BMW VANOS Control
5
Signal-Inlet Camshaft
Position Sensor I
C1-23
Harness_Digital_In_2
Cam2
10K pullup to 12V. Will work with
ground or floating switches.
See Setup Wizard page Cam/Crank for
options.
6
Signal-Exhaust Camshaft
Position Sensor II
NC
7
Voltage Supply-Hot-Film
Mass Air Flow Sensor
EDK Actuator
C2-24
+5V_OUT_2
Sensor +5V
Regulated, fused +5V supply for
sensor power
Analog sensor power
8
Signal-Crankshaft
Position Sensor
C1-45
Harness_VR+_In_0
Crank +
Differential Variable Reluctance
Zero Cross Detection
See Setup Wizard page Cam/Crank for
options.
9
Not Used
NC
10
Signal-EDK Actuator with
C2-21
Harness_Analog_In_1
Throttle2
12 bit A/D, 100K pullup to 5V
0–5V analog signal. Use +5V Out pins