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MaxxECU online help

The MaxxECU RACE adapter for Audi with ME 7.5 ECUs can only be used with MaxxECU RACE.

(for information on the old MaxxECU V1 + E-Throttle module adapter, click here)

 

 

Vehicle cover list

Vehicle

Engine code

Year

LSU sensor

Note

Audi A3

AGU

1997 - 2003

External sensor needed


Audi S3

BAM

1999 - 2003

Uses stock LSU 4.2 sensor


Audi S3

AMK

2000-2003

Uses stock LSU 4.2 sensor


Audi S3

APY

1998-1999

External sensor needed


Audi S3

AUL

1999-2001

External sensor needed

 

Golf IV GTI

AUM/AUQ

2002+

Uses stock LSU 4.2 sensor


Skoda Octavia RS

AUQ

2000-2005

Uses stock LSU 4.2 sensor


Seat Leon

AMK/ARY/AUQ

2002+

Uses stock LSU 4.2 sensor


Seat Leon

ARY

2000-2004

Uses stock LSU 4.2 sensor


Seat Leon

AJQ

2001+

Uses stock LSU 4.2 sensor


Audi TT

APX

1999

External sensor needed


Audi TT

APX/APP/AJQ

2000+

External sensor needed


Audi TT

AUM/AUQ/ARY/BAM

2002+

Uses stock LSU 4.2 sensor


Audi A4

BEX

2002 - 2005

Uses stock LSU 4.2 sensor


Note: No auto transmission support on any model!

Note: Not all ME 7.5 have CAN pinned in the ODB connector for ODBII functionality.

 

 

Control options

Options

OEM ECU PIN

MaxxECU IO

RACE

Note

E-Throttle

117/118

GPO 11/12

Yes

 

Boost solenoid (OEM)

104

GPO 1

Yes

 

VVT solenoid

115

GPO 2

Yes

 

Electrical thermostat

116

GPO 3

Yes

Only on some models (A4, BEX)

Canister

64

GPO 4

Yes


Fuel pump

65

GPO 5

Yes

 

IAC cutoff valve

105

GPO 6

Yes

 

Tachometer

37

GPO 8

Yes

 

Main relay

21

INJ 5

Yes

 

Error light

47

INJ 6

Yes

Audi ME 7.5 CAN

Secondary air pump

66

INJ 7

Yes

 

FAN (PWM controlled)

24

INJ 8

Yes

Only on some models (A4, BEX)

Knock sensors (OEM)

106,107

KNOCK1, KNOCK2

Yes

 

Vehicle speed

54

DIN 1

Yes

Also from CAN, Audi ME 7.5 CAN

Clutch switch

39

DIN 2

YES

 

EPC light

48

-

CAN only!

Audi ME 7.5 CAN

Intake air solenoid

9

-

No

 

Instrument cluster/ABS

 

Audi ME 7.5 CAN

YES


Traction button

 

Audi ME 7.5 CAN

YES


Fuel consumption

81

-

No

Audi ME 7.5 CAN

Bluetooth (MDash)

 

-

Yes


EGT option

 

-

Yes, direct

6 EGT direct in harness

 

 

Plugin adapter description

clip0347

1

MaxxECU RACE CMC connector 1

2

MaxxECU RACE CMC connector 2

3

Vehicle harness adapter

4

16-pin extra connector

5

8-pin DTM connector (for external WBO)

6

MaxxECU built-in EGT (1-6) mini-k connectors

 

 

ECU location and installation

Stock ECU is located in engine bay on driver side or under the windshield plastic cover, depends on which vehicle you have.

 

1.Remove the plastic guard where the ECU is located.

2.Disconnect battery from vehicle.

3.Remove and disconnect stock ECU from vehicle harness.

4.Install MaxxECU adapter harness.

5.Route the included MaxxECU MAP-sensor hose to the intake manifold and connect into the MaxxECU.

6.Route wide band lambda cables to exhaust system, install lambda sensor in exhaust and wire the lambda sensor as instructed below if your vehicle not have a stock LSU sensor(s) mounted from factory (see vehicle cover list on the top if this page).

 

Note: MaxxECU RACE plugin ECU kit, might not fit into the standard plastic ECU box. Make sure to mount the ECU away from heat or water!

 

 

8-pin extra connector (WBO)

clip0400

Seen from the wire side of the pre-wired connector.

 

 

Pin

Description

1

WBO 1: VREF

2

WBO 1: VS

3

WBO 1: Shield

4

WBO 1: IP

5

WBO 1: RCAL

6

-

7

WBO 1: +12V

8

WBO 1: Heater-

Note: If you vehicle is equipped with a stock LSU 4.2 sensor, do not connect a external here, see vehicle cover list above.

 

 

16-pin extra connector

16-pin_connector

Note: Pinout is from the wire side of the pre-wired cable harness.

 

Pin

Description

Usage

Note

1 (H)

+5V sensor supply

 

 

2 (G)

Sensor GND

 

 

3 (F)

TPS AIN

0-5V analog input

TPS analog input can be used for external sensors, such as oil pressure, fuel pressure etc

4 (E)

AIN 4

0-5V analog input

 

5 (D)

DIN/VR 4

Digital input

 

6 (C)

DIN/VR 5

Digital input

 

7 (B)

-

-

 

8 (A)

GPO 7 / DIN 3

Output or digital input

 

9 (S)


 

 

10 (R)


 

 

11 (P)


 


12 (N)

+12V

Output at ignition on


13 (M)

Engine GND

 


14 (L)

AIN 1

temperature input


15 (K)

AIN 2

temperature input


16 (J)

AIN 3

0-5V analog input


 

 

 

See also

Product page

Example wirings of extra input and output

Download base maps

Trigger problems

Engine start