J255 | Climatronic control unit |
J301 | Air conditioning system control unit |
J364 | Auxiliary heater control unit |
J496 | Additional coolant pump relay |
J708 | Residual heat relay |
SH11 | Fuse 11 in fuse holder H |
T2fu | 2-pin connector, black |
T2fv | 2-pin connector, black |
T6au | 6-pin connector, black |
T10h | 10-pin connector, orange, in E-box in engine compartment |
T16o | 16-pin connector, black |
T17a | 17-pin connector, black, behind glove compartment |
T17p | 17-pin connector, red, under driver seat |
T20c | 20-pin connector, black |
V6 | Combustion air blower |
V54 | Metering pump |
V55 | Circulation pump |
146 | Earth connection 1, in auxiliary heater wiring harness |
379 | Earth connection 14, in main wiring harness |
636 | Earth point, onboard supply control unit |
* | see applicable current flow diagram for engine |
*2 | Only models with Climatic |
*3 | Only models with Climatronic |
*4 | Only models with no air conditioning system/Climatronic |
E9 | Fresh air blower switch |
J8 | Auxiliary heater relay |
J301 | Air conditioning system control unit |
J364 | Auxiliary heater control unit |
J493 | Auxiliary coolant heater relay |
N24 | Fresh air blower series resistor with overheating fuse |
SC1 | Fuse 1 on fuse holder C |
SH13 | Fuse 13 in fuse holder H |
SC28 | Fuse 28 on fuse holder C |
T1ar | Single connector, black, behind glove compartment |
T5f | 5-pin connector, black |
T5r | 5-pin connector, black |
T6au | 6-pin connector, black |
T17a | 17-pin connector, black, behind glove compartment |
T17p | 17-pin connector, red, under driver seat |
379 | Earth connection 14, in main wiring harness |
B468 | Connection 4, in main wiring harness |
L6 | Connection 2, in evaporator housing unit wiring harness |
* | Only models with no Climatronic |
*2 | Only models with Climatic |
*3 | Only models with no air conditioning system |
J364 | Auxiliary heater control unit |
J519 | Onboard supply control unit |
J702 | Roof display unit |
R149 | Remote control receiver for auxiliary coolant heater |
SC54 | Fuse 54 on fuse holder C |
T6au | 6-pin connector, black |
T10af | 10-pin connector, blue, in left A-pillar coupling station |
T16g | 16-pin connector, black |
T17p | 17-pin connector, red, under driver seat |
T73b | 73-pin connector, white |
379 | Earth connection 14, in main wiring harness |
B322 | Positive connection 8 (30a) in main wiring harness |
B397 | Connection 1 (convenience CAN bus, high), in main wiring harness |
B406 | Connection 1 (convenience CAN bus, low), in main wiring harness |
* | Only models with remote controlled auxiliary heater |
G18 | Temperature sensor |
G189 | Overheating sensor |
J364 | Auxiliary heater control unit |
N279 | Heater coolant shut-off valve |
Q8 | Glow plug with flame monitor |
R11 | Aerial, in front left door |
R149 | Remote control receiver for auxiliary coolant heater |
T1bb | Single connector, yellow, on left A-pillar |
T2ft | 2-pin connector, black |
T4cn | 4-pin connector, black |
T6au | 6-pin connector, black |
T10h | 10-pin connector, orange, in E-box in engine compartment |
T17p | 17-pin connector, red, under driver seat |
12 | Earth point, on left in engine compartment |
132 | Earth connection 3, in engine compartment wiring harness |
201 | Earth connection 5, in engine compartment wiring harness |
734 | Earth point in front left door |
* | Only models with remote controlled auxiliary heater |
*2 | Wiring open end |