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MaxxECU online help

Compatible with MaxxECU STREET/V1/RACE/PRO

 

 

Harness support

Terminated engine harness

MaxxECU I/O

Note

+12V to injectors, ignition and valves

Yes


Cylinder head GND

Yes


OEM generator

Yes


OEM engine starter

Yes


Injectors (Bosch JPT connectors)

INJ


Ignition (VAG 1.8T coil-on-plug)

IGN


OEM intake temperature sensor

IAT


OEM coolant temperature sensor

CLT


OEM throttle position sensor

TPS


OEM idle stepper motor

GPO: 4,5,6,7

Not available on MaxxECU STREET

OEM crank trigger

TRIGGER


OEM CAM trigger

HOME


Variable valve solenoid (VVTi)

INJ 8

Not available on MaxxECU STREET

Boost solenoid

GPO 3


Fuel pump control

Use available GPO in extra connector


Engine FAN control

Use available GPO in extra connector


MAP sensor hose in harness

Yes


 

 

Installation

The installation of the terminated engine harness is pretty straight-forward.

1.Mount all engine connectors.

2.Place VAG coils (not included) and connect to harness. wired for SHORT VAG coils!!!!

3.Connect all injector connections (JPT connectors).

4.Route harness thru firewall and mount MaxxECU.

5.Wire battery, power, ground, alternator and engine starter to 12-pin connector.

6.Wire extra connections like fuel pump, fan, wheel speeds, ethanol sensor etc to 16-pin connector.

 

 

 

 

 

12-pin connector (seen from the wire side)

Please note that REV1 (unmarked harness) pinout is mirrored, please check the printed labels on the cables which is correct!!

 

12-pin_connector

Note: Pinout is from the wiring side of the connector, not the factory pre-wired side.

 

Pin

REV1 function (unmarked harness)

REV2 function

1 (A)


+12V ignition coils power supply

2 (B)

Alternator pin 3 (battery +), cable marked 12/5

Engine ground

3 (C)

Alternator pin 1 (light), cable marked 12/4

GPO 2

4 (D)

Alternator pin 2 (ignition +), cable marked 12/3

GPO 1

5 (E)



6 (F)


Engine starter (+12V) - Connect to ignition key or switch

7 (G)


+12V ECU power supply

8 (H)

Engine starter (+12V) - Connect to ignition key or switch, cable marked 12/11

Alternator pin 2 (ignition +)

9 (J)

+12V ignition coils power supply, cable marked 12/10

Alternator pin 1 (light)

10 (K)

+12V ECU power supply, cable marked 12/9

Alternator pin 3 (battery +)

11 (L)

Engine ground, cable marked 12/8


12 (M)



 

 

 

16-pin connector (seen from the wire side)

Please note that REV1 (unmarked harness) pinout is mirrored, please check the printed labels on the cables which is correct!!

 

16-pin_connector

Note: Pinout is from the wiring side of the connector, not the factory pre-wired side.

 

Pin

REV1 function (unmarked harness)

REV2 function

1 (H)

CAN H, grey cable

DIN 2

2 (G)

CAN L, pink cable

DIN 1

3 (F)

GPO 1, cable marked 16/6

GPO 8/TACHO

4 (E)

GPO 2, cable marked 16/5

INJ 7 - Not available on STREET

5 (D)

INJ 7, cable marked 16/4 - Not available on STREET

-

6 (C)

GPO 8/Tacho, cable marked 16/3

-

7 (B)

Digital input 1, cable marked 16/2

CAN L

8 (A)

Digital input 2, cable marked 16/1

CAN H

9 (S)

AIN 1, cable marked 16/16

GND

10 (R)

AIN 2, cable marked 16/15

+12V extra power

11 (P)

AIN 3, cable marked 16/14

SENSOR GND

12 (N)

AIN 4, cable marked 16/13

+5V sensor supply

13 (M)

+5V power supply, cable marked 16/12

AIN 4

14 (L)

Sensor GND, cable marked 16/11

AIN 3

15 (K)

+12V power supply, cable marked 16/10

AIN 2

16 (J)

Engine ground, cable marked 16/9

AIN 1

 

 

 

Extra information

ground_is_important

Note: Ground is important...

 

 

See also

Product page

Download base maps