CIM / B1440 0F
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Error message is shown on the display.
Engine does not start.
Steering column lock not working.
Ignition cannot be switched off or key cannot be removed from ignition switch.
+15 Circuit from ISM, Open
Fault symptom
Error message is shown on the display.
Engine does not start.
Steering column lock not working.
Ignition cannot be switched off or key cannot be removed from ignition switch.
On-board diagnosis
Type of diagnosis:
Enable criteria:
Fault criteria:
| • | Open-circuit on power supply 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. |
Checking the wiring harness
Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.
Diagnostic help
Diagnosis regards:
| Diagnostic trouble code can be generated with low battery voltage. |
| Electrical fault in connecting leads or component. |
Functions in the diagnostic tool related to the fault:
| Ignition Key Position +B, Wire from ISM |
| Ignition Switch +B, K-Line from ISM |
| (See also description of readings/activations in diagnostic tool) |
