B1440 71

B1440 71

Invalid Key Position

Fault symptom
- Error message is shown on the display.
- Steering column lock not working.
- Engine does not start.

On-board diagnosis

Type of diagnosis:
- Continuous

Enable criteria:
- Ignition ON.

Fault criteria:
- The control module receives a faulty key position (signal) from ISM.
- Signal from the key does not match key position.

System reaction to a fault:
- The control module does not allow starter motor cranking.
- Steering column lock deactivated.

Diagnostic help

Diagnosis regards:
- Electrical fault in connecting leads or component.

Functions in the diagnostic tool related to the fault:

Test value:
- Ignition Key Position
- Ignition Switch +50, K-Line from ISM
- Ignition Switch +15, K-Line from ISM
- Ignition Switch +X, K-Line from ISM
- Ignition Switch +B, K-Line from ISM
- Ignition Key Position +15, Wire from ISM
- Ignition Key Position +B, Wire from ISM
(See also description of readings/activations in diagnostic tool)