Wiring Diagram VW JETTA 2014 - X-contact relief relay - Onboard supply control unit - Terminal 30 wiring junction
| A | Battery |
| D | Ignition/starter switch |
| J59 | X-contact relief relay |
| J519 | Onboard supply control unit |
| S176 | Fuse 4 (30), in battery fuse holder |
| S177 | Fuse 5 (30), in battery fuse holder |
| T6ac | 6-pin connector |
| T8 | 8-pin connector |
| T73b | 73-pin connector |
| TV2 | Terminal 30 wiring junction |
| 42 | Earth point, next to steering column |
| 49 | Earth point, near ... |
| 81 | Earth connection 1, in dash panel wiring harness |
| A32 | Positive connection (30), in dash panel wiring harness |
| A57 | Positive connection 3 (30), in dash panel wiring harness |
| A80 | Connection 1 (X), in dash panel wiring harness |
| * | From September 2011 |
Wiring Diagram VW JETTA 2014 - Fresh air and air recirculation flap switch - Fresh air and air recirculation warning lamp - Fresh air regulator illumination bulb - Fresh air and air recirculation flap control motor
| D | Ignition/starter switch |
| E1 | Light switch |
| E20 | Switch and instrument illumination regulator |
| E159 | Fresh air and air recirculation flap switch |
| J234 | Airbag control unit |
| K114 | Fresh air and air recirculation warning lamp |
| L16 | Fresh air regulator illumination bulb |
| S5 | Fuse 5 in fuse holder |
| T3c | 3-pin connector |
| T8 | 8-pin connector |
| T8b | 8-pin connector |
| T10j | 10-pin connector |
| T17 | 17-pin connector |
| T75 | 75-pin connector |
| V154 | Fresh air and air recirculation flap control motor |
| 162 | Earth connection, in blower motor wiring harness |
| A2 | Positive connection (15), in dash panel wiring harness |
| A4 | Positive connection (58b), in dash panel wiring harness |
| A20 | Positive connection (15a), in dash panel wiring harness |
Wiring Diagram VW JETTA 2014 - Fresh air blower switch - Fresh air blower series resistor with overheating fuse - Fresh air blower
| E9 | Fresh air blower switch |
| N24 | Fresh air blower series resistor with overheating fuse |
| S225 | Fuse 25 in fuse holder |
| T4c | 4-pin connector |
| T6d | 6-pin connector |
| T10j | 10-pin connector |
| V2 | Fresh air blower |
| 45 | Earth point, centre behind dash panel |
| 162 | Earth connection, in blower motor wiring harness |
| L45 | Connection, in air conditioning system operating unit wiring harness |
| L66 | Connection, in heater blower wiring harness |
Wiring Diagram VW JETTA 2014 - Selector lever for retarder brake - Ambient temperature switch - Radiator fan control unit - Air conditioning system warning lamp
| E35 | Selector lever for retarder brake |
| F38 | Ambient temperature switch |
| J248 | Diesel direct injection system control unit |
| J285 | Control unit in dash panel insert |
| J293 | Radiator fan control unit |
| J623 | Engine control unit |
| K84 | Air conditioning system warning lamp |
| S16 | Fuse 16 in fuse holder |
| T8b | 8-pin connector |
| T10j | 10-pin connector |
| T14 | 14-pin connector |
| T32a | 32-pin connector |
| T80 | 80-pin connector |
| T121 | 121-pin connector |
| L9 | Connection 1, in air conditioning system wiring harness |
| L45 | Connection, in air conditioning system operating unit wiring harness |
Wiring Diagram VW JETTA 2014 - Radiator fan control unit - Air conditioning system magnetic clutch - Radiator fan - Radiator fan on right of radiator
| J293 | Radiator fan control unit |
| N25 | Air conditioning system magnetic clutch |
| T3a | 3-pin connector |
| T3b | 3-pin connector |
| T4 | 4-pin connector |
| T4a | 4-pin connector |
| T14 | 14-pin connector |
| V7 | Radiator fan |
| V35 | Radiator fan on right of radiator |
| 193 | Earth connection 1, in coolant fan wiring harness |
| 642 | Earth point for electronically controlled fan |
| C11 | Connection in radiator fan wiring harness |
| K21 | Connection 1, in radiator fan wiring harness |
Wiring Diagram VW JETTA 2014 - Radiator fan thermal switch - High-pressure sender - Radiator fan control unit
| A | Battery |
| F18 | Radiator fan thermal switch |
| G65 | High-pressure sender |
| J248 | Diesel direct injection system control unit |
| J293 | Radiator fan control unit |
| J623 | Engine control unit |
| S164 | Fuse 3 (30), in battery fuse holder |
| S180 | Fuse 8 (30), in battery fuse holder |
| T3 | 3-pin connector |
| T3e | 3-pin connector |
| T4a | 4-pin connector |
| T14 | 14-pin connector |
| T80 | 80-pin connector |
| T121 | 121-pin connector |
| 193 | Earth connection 1, in coolant fan wiring harness |
| D61 | Connection (air conditioning system), in engine compartment wiring harness |
| K20 | Positive connection 1 (30), in radiator fan wiring harness |
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