Boost pressure sensor, intake air temperature sensor, fuel injection system relay, engine control unit
F268 Additional heater switch
G31 Boost pressure sensor
G42 Intake air temperature sensor
J322 Fuel injection relay
J359 Heating output relay low
J360 Heating output relay high
J519 Power control module
J623 Electronic engine control unit
T4d 4-pin wiring connector
T8d 8-pin electrical wiring connector, front left in the engine compartment
T94a 94-pin wiring connector
B316 Positive terminal 2 (30a) on the main wiring harness
8441 connector (CCS), in the main wiring harness
* Models with auxiliary heater only
*2 Models without air conditioning/Cllmatronic only
*3 Only models with cruise control system (CCS)
Deciphering the designations of the colors of the wiring: ws - white; sw - black; ro - red; rt - red; br - brown; gn - green; bl - blue; gr - grey; li - lilac; vi - lilac; ge - yellow; or - orange; rs - pink.