EX21 | Heater and air conditioning controls |
J255 | Climatronic control unit |
J533 | Data bus diagnostic interface |
N280 | Air conditioner compressor regulating valve |
T2ds | 2-pin connector |
T4dd | 4-pin connector |
T4de | 4-pin connector |
T17f | 17-pin connector |
T17n | 17-pin connector |
T20 | 20-pin connector |
T20c | 20-pin connector |
TIUL | Coupling point in interior, below left |
TML | Coupling point in engine compartment, left |
131 | Earth connection 2, in engine compartment wiring harness |
278 | Earth connection 4, in interior wiring harness |
687 | Earth point 1, on centre tunnel |
B398 | Connection 2 (convenience CAN bus, high), in main wiring harness |
B407 | Connection 2 (convenience CAN bus, low), in main wiring harness |
B506 | Connection (convenience CAN bus, high), in interior wiring harness |
B507 | Connection (convenience CAN bus, low), in interior wiring harness |
* | Wiring colour depends on equipment |
EX21 | Heater and air conditioning controls |
G65 | High-pressure sender |
J255 | Climatronic control unit |
SC34 | Fuse 34 on fuse holder C |
T3ck | 3-pin connector |
T17e | 17-pin connector |
T17f | 17-pin connector |
T17m | 17-pin connector |
T17n | 17-pin connector |
T20c | 20-pin connector |
TIUL | Coupling point in interior, below left |
129 | Earth connection, in dual tone horn wiring harness |
131 | Earth connection 2, in engine compartment wiring harness |
176 | Earth connection, in right headlight wiring harness |
179 | Earth connection, in left headlight wiring harness |
643 | Earth point 3, on right in engine compartment |
673 | Earth point 3, on front of left longitudinal member |
A38 | Positive connection 2 (15a) in dash panel wiring harness |
A209 | Connection 1 (LIN bus) in dash panel wiring harness |
B710 | Connection 5 (LIN bus) in main wiring harness |
U26 | Connection (15), in gearbox switch wiring harness |
* | Up to July 2015 |
*2 | From July 2015 |
EX21 | Heater and air conditioning controls |
G642 | Potentiometer for front air distribution flap control motor |
G644 | Potentiometer for fresh air/air recirculation, air flow flap control motor |
J255 | Climatronic control unit |
T6n | 6-pin connector |
T6r | 6-pin connector |
T16c | 16-pin connector |
T16d | 16-pin connector |
V425 | Fresh air/air recirculation, air flow flap control motor |
V426 | Front air distribution flap control motor |
L7 | Connection 3, in evaporator housing unit wiring harness |
L8 | Connection 4, in evaporator housing unit wiring harness |
EX21 | Heater and air conditioning controls |
G192 | Footwell vent temperature sender |
G221 | Potentiometer for right temperature flap control motor |
G308 | Evaporator temperature sensor |
J126 | Fresh air blower control unit |
SC14 | Fuse 14 on fuse holder C |
T2dq | 2-pin connector |
T2dr | 2-pin connector |
T2dt | 2-pin connector |
T2du | 2-pin connector |
T4dc | 4-pin connector |
T6u | 6-pin connector |
T16c | 16-pin connector |
T16d | 16-pin connector |
V2 | Fresh air blower |
V159 | Right temperature flap control motor |
638 | Earth point, on right A-pillar |
L7 | Connection 3, in evaporator housing unit wiring harness |
L8 | Connection 4, in evaporator housing unit wiring harness |