Wiring Diagram VW TRANSPORTER 2017 - Auxiliary heater control unit - Residual heat relay - Fuse 11 in fuse holder H - Combustion air blower - Metering pump - Circulation pump
| 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 |
Wiring Diagram VW TRANSPORTER 2017 - Auxiliary heater relay - Auxiliary heater control unit - Auxiliary coolant heater relay - Fuse 1 on fuse holder C - Fuse 13 in fuse holder H - Fuse 28 on fuse holder C
| 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 |
Wiring Diagram VW TRANSPORTER 2017 - Auxiliary heater control unit - Onboard supply control unit - Roof display unit - Remote control receiver for auxiliary coolant heater - Fuse 54 on fuse holder C
| 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 |
Wiring Diagram VW TRANSPORTER 2017 - Temperature sensor - Auxiliary heater control unit - Heater coolant shut-off valve - Glow plug with flame monitor - Aerial - Remote control receiver for auxiliary coolant 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 |
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