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Open-Circuit Or Short-Circuit To Ground






Open-circuit or short-circuit to ground

Checking diagnostic trouble code (DTC)












- Ignition on.
- Connectors connected.
- ECC control module connected.
Erase the diagnostic trouble codes (DTC).





Select Continue.

Continue - Checking diagnostic trouble codes (DTCs), continued

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Checking diagnostic trouble codes (DTCs), continued




- Ignition off.
- Ignition on.
Read off diagnostic trouble codes (DTCs).





Has diagnostic trouble code (DTC) ECC-123 recurred?

Yes - Replacing the component

No - Verification

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Replacing the component
Internal fault in control module.
- Replace the ECC control module

Select "Continue" when the component has been replaced.

Continue - Self-adjustment of the shutter motor end position

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Self-adjustment of the shutter motor end position
- For further information about self-adjustment, see Self adjustment of damper motor limit positions Self Adjustment Of Damper Motor Limit Positions.
Activate the self-adjustment function by clicking on the VCT 2000 symbol.





Select "Continue" when self-adjustment is complete.

Continue - Verification

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Verification




Verification

Hint: Check after repair that the fault has been rectified.












- Ignition off.
- Connect the connectors, reinstall components etc.
- ECC control module connected.
- Ignition on.
- VCT 2000 connected to data link connector (DLC).
Establish communication with the ECC system.





Select Continue.

Continue - Verification, continued

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Verification, continued
Read off diagnostic trouble codes (DTCs).





Select Continue.

Continue - Verification, continued

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Verification, continued
Erase the diagnostic trouble codes (DTCs).





Select Continue.

Continue - Verification, continued

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Verification, continued
Check that diagnostic trouble codes (DTCs) do not recur.





Do the diagnostic trouble codes (DTCs) recur?

Yes - VERIFICATION FAILED

No - VERIFIED

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VERIFIED - FAULT FOUND

VERIFICATION FAILED - 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 - FAULT-TRACING FAILED

No - Attempt New Test

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FAULT-TRACING FAILED - FAULT-TRACING FAILED

Attempt New Test - Checking diagnostic trouble code (DTC)

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