Signal Missing

Signal missing

Checking the power supply and ground for the accessory electronic module (AEM)
Check that the fuse for the control module is intact.
Check the power supply and ground for the accessory electronic module (AEM) as follows.

Other information:
- Checking the ground terminal Checking the Ground Terminal. Accessory Electronic Module
- For information about fuse and terminal numbers, see the relevant Wiring Diagram.
- Checking wiring and terminals Checking Wiring and Terminals





Was a fault detected?

Yes - Checking the accessory electronic module (AEM)

No - Checking communication with the accessory electronic module (AEM)

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Checking communication with the accessory electronic module (AEM)

Hint: The CAN communication with the control module is probably OK if the control module ID can be read off. In that case the fault is probably intermittent and will then be more difficult to trace.




- Try to communicate with the accessory electronic module (AEM) by reading off the control module ID
- Click on the symbol for VCT2000 to begin reading off





Continue - Signal Missing - General Information

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Checking the accessory electronic module (AEM)

Hint: After carrying out the repair, check that the fault has been remedied.








- Ignition off
- Reconnect the connectors. Reinstall the components
- Ignition on for at least 10 seconds.
Read off the control module ID from the accessory electronic module (AEM) by clicking on the VCT2000 symbol.





Could the control module ID be read off?

Yes - FAULT FOUND

No - Fault-tracing information

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Fault-tracing information




Information

Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Do you want to exit fault-tracing?

Yes - Exit Fault-tracing

No - Attempt New Test

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Attempt New Test - Checking the power supply and ground for the accessory electronic module (AEM)

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