Wiring Diagram VW JETTA 2012 - Fresh air blower switch - Fresh air and air recirculation flap switch - Ambient temperature switch - Simos control unit - Onboard supply control unit - Fuse 36 on fuse holder C - Fresh air blower - Air recirculation flap
| E9 | Fresh air blower switch |
| E159 | Fresh air and air recirculation flap switch |
| F38 | Ambient temperature switch |
| J18 | X-contact relay |
| J361 | Simos control unit |
| J519 | Onboard supply control unit |
| N24 | Fresh air blower series resistor with overheating fuse |
| SC36 | Fuse 36 on fuse holder C |
| T6c | 6-pin connector |
| T23 | 23-pin connector |
| T80 | 80-pin connector |
| V2 | Fresh air blower |
| VX52 | Air recirculation flap |
| 112 | Earth connection 2, in air conditioning system wiring harness |
| L1 | Positive connection (75), in air conditioning system wiring harness |
| L5 | Connection 1, in evaporator housing unit wiring harness |
| L6 | Connection 2, in evaporator housing unit wiring harness |
Wiring Diagram VW JETTA 2012 - Air conditioning system switch - Radiator fan thermal switch - Simos control unit - Onboard supply control unit - Fuse 3 on fuse holder C - Radiator fan
| E30 | Air conditioning system switch |
| F18 | Radiator fan thermal switch |
| J361 | Simos control unit |
| J519 | Onboard supply control unit |
| SC3 | Fuse 3 on fuse holder C |
| T3b | 3-pin connector |
| T3c | 3-pin connector |
| T4e | 4-pin connector |
| T23a | 23-pin connector |
| T80 | 80-pin connector |
| V7 | Radiator fan |
| 188 | Earth connection 3, in air conditioning system wiring harness |
| 277 | Earth connection 3, in interior wiring harness |
| 639 | Earth point, left A-pillar |
| 673 | Earth point 3, on front of left longitudinal member |
| D161 | Connection (radiator fan run-on), in engine compartment wiring harness |
| D167 | Connection (fan stage I), in engine compartment wiring harness |
Wiring Diagram VW JETTA 2012 - Battery - High-pressure sender - Radiator fan control unit - Simos control unit - Onboard supply control unit - Air conditioning system magnetic clutch - Fuse holder A - Fuse 19 on fuse holder C - Fuse 49 on fuse holder C
| A | Battery |
| G65 | High-pressure sender |
| J293 | Radiator fan control unit |
| J361 | Simos control unit |
| J519 | Onboard supply control unit |
| N25 | Air conditioning system magnetic clutch |
| SA | Fuse holder A |
| SA3 | Fuse 3 in fuse holder A |
| SA6 | Fuse 6 in fuse holder A |
| SC19 | Fuse 19 on fuse holder C |
| SC49 | Fuse 49 on fuse holder C |
| T3e | 3-pin connector |
| T4z | 4-pin connector |
| T10f | 10-pin connector |
| T10n | 10-pin connector |
| T10w | 10-pin connector |
| T15 | 15-pin connector |
| T23 | 23-pin connector |
| T80 | 80-pin connector |
| 181 | Earth connection (for air conditioning system components), in engine compartment wiring harness, left |
| D155 | Connection 1 (air conditioning system pressure switch), in engine compartment wiring harness |
| D161 | Connection (radiator fan run-on), in engine compartment wiring harness |
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