Socket 1 - alarm and remote locking system

Code:

1-1-1

No error code set

1-1-3

Transmitter to receiver: weak signal

1-1-4

Control Module (CM) faulty

2-1-1

Relay contacts, fuse or ground terminal (locking)

2-1-2

Relay contacts, fuse or ground terminal (unlocking)

2-2-1

Fuse or ground terminal (locking)

2-2-2

Fuse or ground terminal (unlocking)

2-2-3

Codes 2-2-1 and 2-2-2 combined

3-1-2

Siren: internal fault

3-2-1

Siren: power supply

4-1-2

Ultrasonic system: internal fault

4-1-3

Ultrasonic system: one or more sensors faulty

5-1-1

Key switch ground on (> 10 seconds)

5-1-2

Key switch ground off (> 10 seconds)

5-1-3

Locking door with ignition on

5-1-4

Unlocking door with ignition on

5-2-1

Central locking system switch (> 10 seconds locked)

5-2-2

Ultrasonic switch (> 20 seconds locked)

5-3-1

Interior lights, shorting to earth

Socket 2 - fuel system

Code:

1-1-1

No error code set

1-1-2

Malfunction in Electronic Control Module

1-1-3

Open circuit in injector wiring

1-2-1

Air pressure sensor: no signal correspondence

1-2-2

Air temperature sensor: no signal or signal faulty

1-2-3

Coolant temperature sensor: no signal or signal faulty

1-3-2

Incorrect battery voltage

1-4-3

Knock sensor: no signal or signal faulty

2-1-2

Oxygen sensor: no signal or signal faulty

2-1-4

Flywheel sensor: signal faulty

2-2-2

System relay coil: no voltage

2-2-3

Idle speed regulating valve: no signal or signal faulty

2-3-1

Adaptive Lambda closed loop control system lean or rich in part-load range

2-3-2

Adaptive Lambda closed loop control system lean or rich at idling speed

2-4-4

Knock sensor: no signal or signal faulty

3-1-1

Speedometer signal: no signal correspondence

3-1-3

Charcoal absorption canister valve: signal faulty

3-4-2

A/C relay signal: signal faulty

3-4-3

Main relay coil: no voltage

4-1-1

Throttle valve sensor: signal faulty

Socket 3 - ABS

Code:

(40 km/h = 25 mph)

1-1-1

No error code set

1-2-1

Left side front wheel sensor: faulty signal at speed less than 40 km/h

1-2-2

Right side front wheel sensor: faulty signal at speed less than 40 km/h

1-2-3

Left side rear wheel sensor: faulty signal at speed less than 40 km/h

1-2-4

Right side rear wheel sensor: faulty signal at speed less than 40 km/h

1-2-5

Signal faulty from at least one sensor for a long period

1-3-5

Control Module (CM) faulty

1-4-1

Faulty pedal sensor: shorted to ground or supply

1-4-2

Faulty stop (brake) lamp switch: open circuit

1-4-3

Control Module (CM) faulty

1-4-4

Brake discs overheated

1-5-1

Left side front wheel sensor: open circuit or short-circuit to battery voltage

1-5-2

Right side front wheel sensor: open circuit or short-circuit to battery voltage

1-5-5

Rear axle sensor: open curcuit or short-circuit to battery voltage

2-1-1

Left side front wheel sensor: no signal or moving off

2-1-2

Right side front wheel sensor: no signal or moving off

2-1-3

Left side rear wheel sensor: no signal or moving off

2-1-4

Right side rear wheel sensor: no signal or moving off

2-1-5

Valve relay: open circuit or short-circuit

2-2-1

Left side front wheel sensor: ABS operation signal missing

2-2-2

Right side front wheel sensor: ABS operation signal missing

2-2-3

Left side rear wheel sensor: ABS operation signal missing

2-2-4

Right side rear wheel sensor: ABS operation signal missing

2-3-1

Left side front wheel sensor: signal missing

2-3-2

Right side front wheel sensor: signal missing

2-3-5

Rear axle sensor: signal missing

3-1-1

Left side front wheel sensor: open circuit or short-circuit

3-1-2

Right side front wheel sensor: open circuit or short-circuit

3-1-3

Left side rear wheel sensor: open circuit or short-circuit

3-1-4

Right side rear wheel sensor: open circuit or short-circuit

3-2-1

Left side front wheel sensor: irregular interference at speeds over 40 km/h

3-2-2

Right side front wheel sensor: irregular interference at speeds over 40 km/h

3-2-3

Left side rear wheel sensor: irregular interference at speeds over 40 km/h

3-2-4

Right side rear wheel sensor: irregular interference at speeds over 40 km/h

4-1-1

Left side front wheel inlet valve: open circuit or short-circuit

4-1-2

Left front return valve: open circuit or short-circuit

4-1-3

Right side front wheel inlet valve: open circuit or short-circuit

4-1-4

Right front return valve: open circuit or short-circuit

4-1-5

Rear valve: open circuit or short-circuit

4-2-1

Rear wheel circuit inlet valve: open circuit or short-circuit

4-2-2

Rear wheel circuit return valve: open circuit or short-circuit

4-2-3

Traction Control System (TRACS) valve: open circuit or short-circuit

4-2-4

Pressure switch for TRACS: faulty or short-circuit

4-4-1

Control Module (CM) faulty

4-4-2

Pump pressure low

4-4-3

Pump motor/relay: electrical or mechanical fault

4-4-4

No power supply to valves in hydraulic unit

Socket 5 - unknown, investigating

A couple of people contacted me, claiming this socket not to be empty in their vehicle. 
I haven't found any information on it in any reliable source, but continue investigating.
If you have any cabling there, please contact me.

Socket 6 - cruise control

Code:

(40 km/h = 25 mph)

1-1-1

No error code set; speed was higher than 40 km/h

1-1-2

Vehicle Speed Sensor: abnormal signal received

1-2-2

Vehicle speed: 40 km/h not exceeded or no signal

2-1-1

Fault in supply voltage or Control Module

2-1-2

Circuit to vacuum pump or regulator: signal faulty

Socket 7 - SRS (airbag)

Code:

1-1-1

No error code set

1-1-2

Internal fault in the sensor unit

1-2-7

SRS warning lamp: open circuit or short-circuit

2-1-1

Steering wheel module: short-circuit in wiring

2-1-2

Steering wheel module: open circuit in wiring

2-1-3

Steering wheel module: short-circuit to the ground

2-1-4

Steering wheel module: short-circuit to +12V

2-2-1

Passenger module: short-circuit in wiring

2-2-2

Passenger module: open circuit in wiring

2-2-3

Passenger module: short-circuit to the ground

2-2-4

Passenger module: short-circuit to +12V

2-3-1

Left seat belt tensioner: short-circuit in wiring

2-3-2

Left seat belt tensioner: open circuit in wiring

2-3-3

Left seat belt tensioner: short-circuit to the ground

2-3-4

Left seat belt tensioner: short-circuit to +12V

2-4-1

Right seat belt tensioner: short-circuit in wiring

2-4-2

Right seat belt tensioner: open circuit in wiring

2-4-3

Right seat belt tensioner: short-circuit to the ground

2-4-4

Right seat belt tensioner: short-circuit to +12V

(no code)

SRS warning lamp in the instrument panel does not light

(no code)

Fault in diagnostic output