BRAKES (Description): DESCRIPTION AND OPERATION (page 13 of 15)

BRAKES

DESCRIPTION AND OPERATION

70-17

SLABS ECU
The SLABS ECU is attached to a bracket behind the front passenger glovebox. Brake related inputs are processed 
by the SLABS ECU, which then outputs control signals to the ABS modulator. Five electrical connectors interface the 
SLABS ECU with the vehicle wiring.

SLABS ECU connector pin details

Connector/Pin 

No.

Description

Input/Output

C0504

1

Battery supply

Input

2

Ignition supply

Input

3

Road speed

Output

4

Rough road (V8 models only)

Output

5

K line (diagnostics)

Input/Output

7

Reverse gear

Input

8

Return pump monitor

Input

9

Brake warning lamp

Output

10

Engine data (throttle position, torque, engine type, gearbox type)

Input

11

Transfer box range

Input

12

Earth

-

13

ETC warning lamp

Output

14

HDC switch

Input

15

Neutral selected (automatic gearbox only)

Input

16

HDC fault warning lamp

Output

17

HDC information warning lamp

Output

18

ABS warning lamp

Output

C0505

1

Front left wheel speed

Input

2

Front left wheel speed

Input

3

Rear right wheel speed

Input

4

Front right wheel speed

Input

5

Front right wheel speed

Input

6

Rear right wheel speed

Input

7

Rear left wheel speed

Input

8

Rear left wheel speed

Input

C0506

1

Front left outlet solenoid valve

Output

2

Front left inlet solenoid valve

Output

3

Earth

-

4

Front right outlet solenoid valve

Output