ME9 / U0212 00
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Fault indicator lamp (for further information see WIS Fault diagnosis, general)
Faulty display in MIU.
CIM Missing on Bus
Fault symptom
Fault indicator lamp (for further information see WIS Fault diagnosis, general)
Faulty display in MIU.
On-board diagnosis
Type of diagnosis:
Enable criteria:
| Battery voltage must be between 10 - 18 V. |
Fault criteria:
| No communication with CIM. |
Dependent:
Fault handling:
| (See section Fault handling III, "Other emission-related components and functions" for more information.) |
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 on bus leads or in the component. |
| See fault diagnosis for relevant CIM diagnostic trouble code plus bus fault diagnosis. |
Functions in the diagnostic tool related to the fault:
| Response test, under "All/Bus" menu. |
| Read / Reset Bus Configuration |
| Read / Clear Bus Off Counter |
