Scan Tool Testing and Procedures

Description of parameters

Note! The parameters that can be read off for the steering wheel module (SWM) display how the control module interprets the position of the buttons or control stalks. In the event of a fault in the buttons or the wiring, the status will be constantly On or Off depending on the position of the buttons or control stalks.

High beam bulb, status
The value is displayed if the high beam flash is activated.
Not activated.
Flash.
Rocker position high beam/low beam.

Read button, status
The value indicates if the read button is pressed in.
Not activated.
Activated.

Trip computer selector, status
The value indicates whether the trip computer is activated.
Clockwise.
Counter clockwise.

Reset button, status
The value indicates if the reset button is pressed in.
Not activated.
Activated.

Turn signal lamp, status

Left
This value indicates whether the left-hand turn signal lamps are activated.
Not activated.
Activated.
Right
This value indicates whether the right-hand turn signal lamps are activated.
Not activated.
Activated.

Cruise control, status
This value indicates whether the cruise control on / off button is pressed in.
Not activated.
Activated.

Cruise control, increased speed, status
This value indicates whether the +button is pressed in.
Not activated.
Activated.

Cruise control, decreased speed, status
The value indicates whether the -button is pressed in.
Not activated.
Activated.

Cruise control, resume previous speed, status
The value indicates whether the resume button is pressed in.
Not activated.
Activated.

Cruise control cancel, status
This value indicates whether the disengagement button for cruise control is pressed in.
Not activated.
Activated.

Audio/carphone scan- -button, status
This value indicates whether the audio/carphone search+ button is pressed in.
Not activated.
Activated.

Audio/carphone scan+ -button, status
This value indicates whether the audio/carphone search- button is pressed in.
Not activated.
Activated.

Audio/carphone volume down, status
This value indicates whether the audio/carphone volume- button is pressed in.
Not activated.
Activated.

Audio/carphone volume up, status
This value indicates whether the audio/carphone volume+ button is pressed in.
Not activated.
Activated.

On button, carphone (green phone) status
This value indicates whether the on button for the carphone is pressed in.
Not activated.
Activated.

Off button, carphone (red phone), status
This value indicates whether the off button for the carphone is pressed in.
Not activated.
Activated.

Road traffic information (RTI) right-hand button, status
This value indicates whether the road traffic information (RTI) right-hand button is pressed in.
Not activated.
Activated.

Road traffic information (RTI) left-hand button, status
This value indicates whether the road traffic information (RTI) left-hand button is pressed in.
Not activated.
Activated.

Road traffic information (RTI) down button, status
This value indicates whether the road traffic information (RTI) up button is depressed.
Not activated.
Activated.

Road traffic information (RTI) up button, status
This value indicates whether the RTI down button is pressed in.
Not activated.
Activated.

RTI back button, status
This value indicates whether the back button for RTI is depressed.
Not activated.
Activated.

Road traffic information (RTI) enter button, status
This value indicates whether the road traffic information (RTI) reset button is depressed.
Not activated.
Activated.

Rain sensor, status
The value indicates if the rain sensor button is pressed in.
Not activated.
Activated.

Switch, windshield wipers, status
The value indicates whether the windshield wiper lever is activated.
Not activated.
Activated.

Windshield washer, status
This value indicates whether the windshield wiper lever is activated in the washer position.
Not activated
Activated
High speed position, status
This value indicates whether the windshield wiper lever is activated in the high speed position.
Not activated.
Activated.
Low speed position, status
This value indicates whether the windshield wiper lever is activated in the low speed position.
Not activated.
Activated.
Single sweep position
This value indicates whether the windshield wiper lever is activated in the single sweep position.
Not activated.
Activated.

Intermittent position, status
This value indicates whether the windshield wiper lever is activated in the intermittent position.
Not activated.
Activated.