ECU AUDI A8 1995 D2 / 1.G ATQ Engine Additional Signals Testing Workshop Manual
Page 40 of 44
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If the correct control modules are installed:
- Check to be sure the multi-pin connectors of the
control modules are securely connected.
If multi-pin connectors are properly secured:
- Check CAN bus system
Checking a "two-line bus system"
Three or more control modules are
communicating across a "two-line bus
system".
- Analyze the DTCs stored in the memories of the
control modules.
Note:
This analysis will help you locate the cause of the
line malfunction.
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