Test Step 7 - LIN Bus Circuit Open

Fig 1: Door Module C5 And The Driver Express Window/Door Lock Switch Connectors

Courtesy of AUDI OF AMERICA, LLC

• Measure the resistance of the LIN bus circuit between the door module C5 connector and the driver express window/door lock switch connector.

Is the resistance less than 2.0 ohms?

No 

• Repair the LIN bus circuit for an open.
• Perform the Body Verification Test. Refer to BODY VERIFICATION TESTBody Exterior .

Yes 

• Replace the driver door module. Refer to DOOR CONTROL MODULE .
• Perform the Body Verification Test. Refer to BODY VERIFICATION TESTBody Exterior .