A4 Quattro Sedan V6-2.8L (ACK) (1997)
Ultrasonic Sensor: Testing and Inspection
Switch Deactivation, Checking
Switch Deactivation
"B" pillar switch -1- is located under left B-pillar trim, lower.
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Remove B-pillar trim.
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Press out switch from trim and check according to wiring diagram.
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Check wire connector to Control Module -5-.