Infinity pinouts – AEM 30-3510 Infinity Plug & Play Harnesses - BMW 2001-2006 E46 M3 User Manual

Page 32

P/N 30-3510

Infinity Pinouts

Dedicated

Dedicated and not reconfigurable

Assigned

Assigned but reconfigurable

Available

Available for user setup

Not Applicable

Not used in this configuration

Required

Required for proper function

Infinity

Pin

Hardware

Reference

AEM / M3

Function

BMW M3

Pin

Hardware Specification

Notes

C1-1

LowsideSwitch_4

A/C

Compressor

Clutch Relay

4-29

Lowside switch, 4A max,
NO internal f ly back diode.

See Setup Wizard Page "LowSide Assignment
Tables" f or output assignment, Honda VTEC
f or VANOS triggering and 2D table "LS3_Duty
[%]" f or on/of f activ ation.

C1-2

LowsideSwitch_5

Vanos-

Exhaust Cam

3-43, 3-44

Lowside switch, 4A max
with internal f ly back diode.
Inductiv e load should NOT
hav e f ull time power.

The Vanos driv ers are located in the AEM
Jumper Box. BMW Vanos cannot be wired
directly to the Inf inity .

C1-3

LowsideSwitch_6

Idle Air

Control

3-46, 3-47

Lowside switch, 4A max
with internal f ly back diode.
Inductiv e load should NOT
hav e f ull time power.

The S54 engine uses both an IACV and driv e
by wire throttles. Idle speed and low APP
request is controlled using the IACV.

C1-4

UEGO 1 Heat

Use 30-3600

Inf inity O2

Sensor

Extension

Harness

Bosch UEGO controller

Lowside switch f or UEGO heater control.
Connect to pin 4 of Bosch UEGO sensor.
NOTE that pin 3 of the Sensor is heater (+)
and must be power by a f used/switched 12V
supply .

C1-5

UEGO 1 IA

Trim Current signal. Connect to pin 2 of Bosch
UEGO sensor.

C1-6

UEGO 1 IP

Pumping Current signal. Connect to pin 6 of
Bosch UEGO sensor.

C1-7

UEGO 1 UN

Nernst Voltage signal. Connect to pin 1 of
Bosch UEGO sensor.

C1-8

UEGO 1 VM

Virtual Ground signal. Connect to pin 5 of
Bosch UEGO sensor.

C1-9

Flash_Enable

Flash Enable

10K pulldown

Not usually needed f or automatic f irmware
updates through Inf inity Tuner. If connection
errors occur during update, jump the 12V
Flash Connector bef ore proceeding with
upgrade. Disconnect the 12V Flash Connector
af ter the update.

C1-10

+12V_R8C_CPU

Battery Perm

12V Power

1-7

Dedicated power
management CPU

Full time battery power. MUST be powered
bef ore the ignition switch input is triggered.
(See C1-65.)

C1-11

Coil 4

5-9

25 mA max source current

The ignitors are f ound in the AEM Jumper Box.
The BMW Coils cannot be wired directly to the
Inf inity .

C1-12

Coil 3

5-3

25 mA max source current

The ignitors are f ound in the AEM Jumper Box.
The BMW Coils cannot be wired directly to the
Inf inity .

C1-13

Coil 2

5-2

25 mA max source current

The ignitors are f ound in the AEM Jumper Box.
The BMW Coils cannot be wired directly to the
Inf inity .