Wiring Schematics

Wiring Diagram of Airbag and Passenger Belt Tensioner System with 4 Carbon Contacts and Voltage Transformer from 08/83 to 09/84 with control unit, part no. 126 820 14 10 or 002 820 97 10, and voltage transformer, part no. 000 820 02 97.





A1e15 Instrument cluster, warning lamp, RS airbag
X28/4 Plug connection, airbag/detonator
C1 Reserve power source airbag
X28/5 Collector ring, detonator airbag, 2-pin
N2/2 Control unit airbag with belt tensioners
X29/9 Test coupling, plug connection airbag 10-pin
N24 Voltage transformer airbag
R12/2 Detonator, belt tensioner front right
a Electrical center, terminal 15 R (terminal 15 R on N2/2, N24, A1e15)
R12/3 Detonator airbag
W(W1) Main ground behind instrument cluster, ground on N2/2, N24, C1

The plug pins 3, 5, 6, 7 and 8 in the bottom section of the plug are short-circuited when the 10-pin plug connection (X29/9) is disconnected. When disconnecting the connector for the belt tensioner detonator (R12/2) and the airbag detonator (R12/3), these are short-circuited.

Wiring Diagram of Airbag and Passenger Belt Tensioner System with 4 Carbon Contacts and Voltage Transformer from 08/83 to 09/84 with Control Unit, Part No. 126 820 14 10 or 002 820 97 10, and voltage transformer, part no. 000 820 02 97.





A1e15 Instrument cluster, warning lamp, RS airbag
X28/4 Plug connection, airbag/detonator
C1 Reserve power source airbag
X28/5 Collector ring, detonator airbag, 2-pin
N2/2 Control unit airbag with belt tensioners
X29/9 Test coupling, plug connection airbag 10-pin
N24 Voltage transformer airbag
R12/2 Detonator, belt tensioner front right
a Electrical center, terminal 15 R (terminal 15 R on N2/2, N24, A1e15)
R12/3 Detonator airbag
W(W1) Main ground behind instrument cluster, ground on N2/2, N24, C1

The plug pins 3, 5, 6, 7 and 8 in the bottom section of the plug are short-circuited when the 10-pin plug connection (X29/9) is disconnected. When disconnecting the connector for the belt tensioner detonator (R12/2) and the airbag detonator (R12/3), these are short-circuited.

Wiring Diagram of Airbag and Passenger Belt Tensioner System with 4 Carbon Contacts and Control Unit Airbag 1/3 from 08/83 to 09/84 with Replacement Control Unit Airbag 1/3, part no. 126 820 14 10, and cable, part no. 124 540 58 35.





A1e15 Instrument cluster, warning lamp, RS airbag
R12/3 Detonator airbag
C1 Reserve power source airbag (not required)
W(W1) Main ground behind instrument cluster
N2/2 Control unit belt tensioners with airbag in connection with cable, part no. 124 540 58 35
X28/4 Plug connection, airbag/detonator
X28/5 Collector ring, detonator airbag, 2-pin
N24 Voltage transformer airbag (not required)
X29/9 Test coupling, plug connection airbag 10-pin
R12/2 Detonator, belt tensioner front right
a Electrical center, terminal 15 R

The plug pins 3, 5, 6, 7 and 8 in the bottom section of the plug are short-circuited when the 10-pin plug connection (X29/9) is disconnected. When disconnecting the connector for the belt tensioner detonator (R12/2) and the airbag detonator (R12/3), these are short-circuited.

Wiring Diagram of Driver Airbag and Driver/Passenger Belt Tensioner System with 4 Carbon Contacts and Voltage Transformer from 09/84 to 09/87 with Control Unit, Part No. 002 820 97 10 or 124 820 51 10, and Voltage Transformer, Part No.000 820 02 97.





A1e15 Instrument cluster, warning lamp, RS airbag
X28/2 Plug connection, power supply, airbag with belt tensioner
C1 Reserve power source airbag
N2/2 Control unit belt tensioner with airbag
X28/4 Plug connection, airbag detonator
N24 Voltage transformer airbag
X28/5 Collector ring, detonator airbag
R12/1 Detonator, belt tensioner front left
X29/9 Test coupling, plug connection airbag 10-pin
R12/2 Detonator, belt tensioner front right
R12/3 Detonator airbag
a Electrical center, terminal 15 R via. X28/2 (terminal 15 R on N2/2, N24, A1e15)
W(W1) Main ground behind instrument cluster, (ground on N2/2, N24, C1)

The plug pins 3, 5, 6, 7 and 8 in the bottom section of the plug are short-circuited when the 10-pin plug connection (X29/9) is disconnected. When disconnecting the connectors for the belt tensioner detonators (R12/1, R12/2) and the airbag detonator (R12/3), these are short- circuited.

Wiring Diagram of Driver Airbag and Driver/Passenger Belt Tensioner System with 4 Carbon Contacts from 09/84 to 09/87 with Replacement Control Unit Airbag 1/3, Part No. 004 820 11 10, and Cable, Part No. 124 540 57 35.





A1e15 Instrument cluster, warning lamp, RS airbag
C1 Reserve power source airbag (not required)
N2/2 Control unit belt tensioner with airbag in connection with cable, part no. 124 540 57 35.
N24 Voltage transformer (not required)
R12/1 Detonator, belt tensioner left-hand seat
R12/2 Detonator, belt tensioner right-hand seat
R12/3 Detonator airbag
(W1) Main ground behind instrument cluster
X28/2 Plug connection, power supply, airbag with belt tensioner
X28/4 Plug connection, airbag detonator
X28/5 Collector ring, detonator airbag
X29/9 Test coupling, plug connection airbag 10-pin
a Electrical center, terminal 15 R via. X28/2

The plug pins 3, 5, 6, 7 and 8 in the bottom section of the plug are short-circuited when the 10-pin plug connection (X29/9) is disconnected. When disconnecting the connectors for the belt tensioner detonators (R12/1, R12/2) and the airbag detonator (R12/3), these are short- circuited.