CIM / U1501 01
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Message appears in display.
Cannot turn key.
Steering column lock not working.
Engine does not start.
K-line CIM-ISM, Short to Ground/B+
Fault symptom
Message appears in display.
Cannot turn key.
Steering column lock not working.
Engine does not start.
On-board diagnosis
Type of diagnosis:
Enable criteria:
| Diagnostics runs when key is inserted. |
Fault criteria:
| No information from CIM can be sent to the ISM. |
System reaction to a fault:
| 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:
| Electrical fault in connecting leads or component. |
Functions in the diagnostic tool related to the fault:
| Ignition Switch +50, K-Line from ISM |
| Ignition Switch +B, K-Line from ISM |
| Ignition Switch +X, K-Line from ISM |
| Ignition Switch +15, K-Line from ISM |
| (See also description of readings/activations in diagnostic tool) |
