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Assignment of connector at ultrasonic sensor control unit -J347
1 - -> Power supply/terminal 30
2 - Not used
3 - Activation/deactivation (by central locking pump)
4 - Not used
5 - Left ultrasonic sensor power supply
6 - Left sensor earth
7 - Left ultrasonic sensor analog signal
8 - Left ultrasonic sensor 40 kHz pulse
9 - Deactivation switch
10 - Left -M27 and right -M28 door warning lamp output
11 - Earth/terminal 31
12 - Warning lamp (interior monitor switch -E183)
13 - Driver's side door contact switch -F2 input
14 - Not used
15 - Right ultrasonic sensor power supply
16 - Right ultrasonic sensor earth
17 - Right ultrasonic sensor analog signal
18 - Right ultrasonic sensor 40 kHz pulse
19 - K-wire to diagnosis socket
20 - Alarm output to central locking pump
Assignment of connector at ultrasonic sensor
1 - -> 40 kHz pulse
2 - Supply voltage
3 - Earth
4 - Analog signal
Audi A3 1997 ➤
Electrical system - Edition 10.2003
158
94 - Lights, Lamps, Switches - exterior