E221 | Operating unit in steering wheel |
F138 | Coil in steering wheel |
H | Horn activation |
J234 | Airbag control unit |
J453 | Multi-function steering wheel control unit |
L45 | Operating unit illumination bulb |
N95 | Airbag igniter (driver side) |
T2p | 2-pin connector, at the airbag unit, driver side |
T5f | 5-pin connector, at steering wheel |
T5g | 5-pin connector, in the steering wheel |
T75a | 75-pin connector, at airbag control unit |
81 | Earth connection, in wiring harness behind dash panel |
J4 | Horn relay |
J59 | X contact relief relay |
J453 | Multi-function steering wheel control unit |
J503 | Navigation system control unit |
K | Dash panel insert |
R | Radio |
S240 | Fuse in fuse holder |
S242 | Fuse in fuse holder |
T16a | 16-pin connector, in glove compartment on the driver's side (diagnostic connection) |
T20b | 20-pin connector, on the radio or on the navigation system control unit |
T32b | 32-pin connector, at dash panel insert (green) |
332 | Earth connection, in wiring harness behind dash panel |
A4 | Positive connection (58b), in wiring harness behind dash panel |
A76 | Connection (diagnosis wire K), in wiring harness behind dash panel |
A90 | Connection (71, horn), in wiring harness behind dash panel, left (only for Taxi) |
A98 | Positive connection (30Ra), in wiring harness behind dash panel |
W29 | Connection (A bus), in wiring harness behind dash panel |
W30 | Connection (B bus), in wiring harness behind dash panel |
* | only for radio Symphony with cassette |
| not valid for radio Symphony with cassette |
E45 | Cruise control system switch |
H2 | High tone horn |
H7 | Low tone horn |
J... | Engine control units |
J453 | Multi-function steering wheel control unit |
T2p | 2-pin connector, at high tone horn |
T2r | 2-pin connector, at low tone horn |
T10k | 10-pin connector, in plenum chamber (black) |
T10v | 10-pin connector, at CCS switch |
81 | Earth connection, in wiring harness behind dash panel |
A20 | Positive connection (15a), in wiring harness behind dash panel |
A72 | Connection (71), in front left wiring harness |
Z40 | Positive connection (15, CCS), in wiring harness behind dash panel, left |
* | see current flow diagram engine / CCS |