Checking the connectors
Check connector 54/3 and the connector for the central electronic module (CEM) for contact resistance and oxidation according to Contact resistance and oxidation . Check for loose connections according to Loose connections (terminals) . Remedy if necessary.
Check for any damage.
HINT: If the fault cause is found, reinstall the components, connectors etc.
HINT: If the fault cause is not found, do not reinstall the central electronic module (CEM) before continuing with fault-tracing.
Other information:
- To access the central electronic module (CEM) connector, see Central electronic module (CEM), replacing
- For the intermediate connector see appropriate wiring diagram.
- To connect the breakout box to the control module, see Connecting the breakout box
- For further information about signals and other values, see Signal specification
Was a fault detected?
- YES
OKAY: Troubleshooting has been completed.
- NO
Refer to Checking the cable