Wiring Diagram VW TOURAN 2004 - Fresh air blower relay - fuses
| A | Battery |
| B | Starter |
| J13 | Relay for fresh air blower, on left under dash panel (404) |
| J519 | Onboard supply control unit |
| SA6 | Fuse 6 on fuse holder A |
| SC22 | Fuse 22 on fuse holder C |
| SC24 | Fuse 24 on fuse holder C |
| SC52 | Fuse 52 on fuse holder C |
| 44 | Earth point, lower part of left A-pillar |
| 238 | Earth connection 1, in interior wiring harness |
| 366 | Earth connection 1, in main wiring harness |
| 508 | Screw connection (30), on E-box |
| A167 | Positive connection 3 (30a) in dash panel wiring harness |
| D50 | Positive connection (30), in engine compartment wiring harness |
| *** | Only on vehicles with Climatic |
| -●●- | Only on vehicles without air conditioning system |
| --- | Only on vehicles with Climatronic |
Wiring Diagram VW TOURAN 2004 - Relay for voltage supply of terminal 15 - relief relay for X-contact - auxiliary heater operation relay - fuses
| J59 | Relief relay for X-contact (460) |
| J485 | Relay for auxiliary heater operation, on left under dash panel (53) |
| J519 | Onboard supply control unit |
| J681 | Relay 2 for voltage supply of terminal 15 (460) |
| SB30 | Fuse 30 on fuse holder B |
| SB40 | Fuse 40 on fuse holder B |
| SB49 | Fuse 49 on fuse holder B |
| SB52 | Fuse 52 on fuse holder B |
| SC3 | Fuse 3 on fuse holder C |
| SC15 | Fuse 15 on fuse holder C |
| SC31 | Fuse 31 on fuse holder C |
| SC35 | Fuse 35 on fuse holder C |
| T40 | 40-pin connector |
| 238 | Earth connection 1, in interior wiring harness |
| 376 | Earth connection 11, in main wiring harness |
| 381 | Earth connection 16, in main wiring harness |
| 655 | Earth point, on left headlight |
| A20 | Positive connection (15a), in dash panel wiring harness |
| A192 | Positive connection 3 (15a) in dash panel wiring harness |
| B163 | Positive connection 1 (15), interior wiring harness |
| * | Only on vehicles without auxiliary heater function (not for Climatronic) |
| ** | Only on vehicles with auxiliary heater function (not for Climatronic) |
| --- | Only on vehicles with Climatronic |
| -●- | To May 2003 |
| **** | From June 2003 |
| -●●- | From May 2004 |
| ●--● | To April 2004 |
Wiring Diagram VW TOURAN 2004 - Auxiliary heater control unit - heater coolant shut-off valve - combustion air blower - recirculation pump - temperature sensor - overheating sensor
Wiring Diagram VW TOURAN 2004 - Auxiliary heater control unit - remote control receiver for auxiliary coolant heater - metering pump - heater element for fuel pre-heating - glow plug with flame monitor
| J364 | Auxiliary heater control unit |
| J503 | Control unit with display for radio and navigation system |
| J519 | Onboard supply control unit |
| Q8 | Glow plug with flame monitor |
| R50 | Aerial for GPS navigation system |
| R54 | Mobile telephone |
| R65 | Telephone aerial |
| R87 | Aerial filter |
| R149 | Remote control receiver for auxiliary coolant heater |
| R182 | Auxiliary heater aerial |
| T1 | 1-pin connector, near roof aerial |
| T1a | 1-pin connector, near roof aerial |
| T2k | 2-pin connector |
| T6v | 6-pin connector |
| T8f | 8-pin connector |
| V54 | Metering pump |
| Z66 | Heater element for fuel pre-heating |
| 43 | Earth point, lower part of right A-pillar |
| 249 | Earth connection 2, in interior wiring harness |
| 284 | Earth connection 6, in interior wiring harness |
| 373 | Earth connection 8, in main wiring harness |
| 682 | Earth point, right D-pillar |
| * | Only on vehicles with diesel engine |
| ** | Only on vehicles without radio navigation system/telephone |
| **** | Only on vehicles with radio navigation system |
| -●- | Only on vehicles with radio navigation system/telephone |
Wiring Diagram VW TOURAN 2004 - Switch for heater and heater output - control unit for air conditioning system - Climatronic control unit - instant heating button
| E16 | Switch for heater and heater output |
| E537 | Instant heating button |
| J301 | Air conditioning system control unit |
| J255 | Climatronic control unit |
| J519 | Onboard supply control unit |
| N24 | Series resistor for fresh air blower with overheating fuse |
| T4r | 4-pin connector |
| T5 | 5-pin connector |
| T10k | 10-pin connector, on right under dash panel |
| T20c | 20-pin connector |
| B397 | Connection 1 (convenience CAN bus, high), in main wiring harness |
| B406 | Connection 1 (convenience CAN bus, low), in main wiring harness |
| L78 | Connection 2, in fresh air blower wiring harness |
| * | Only on vehicles without auxiliary heater function (not for Climatronic) |
| ** | Only on vehicles with auxiliary heater function (not for Climatronic) |
| *** | Only on vehicles with Climatic |
| -●●- | Only on vehicles without air conditioning system |
| --- | Only on vehicles with Climatronic |
Wiring Diagram VW TOURAN 2004 - Data bus diagnosis interface - multifunction display
| J119 | Multifunction display |
| J285 | Control unit in dash panel insert |
| J519 | Onboard supply control unit |
| J533 | Data bus diagnosis interface, on left under dash panel, above relay carrier |
| T20 | 20-pin connector |
| T36 | 36-pin connector |
| A178 | Connection (infotainment CAN bus, high), in dash panel wiring harness |
| A179 | Connection (infotainment CAN bus, low), in dash panel wiring harness |
| A205 | Connection (dash panel insert CAN bus, low), in dash panel wiring harness |
| B383 | Connection 1 (drive train CAN bus, high), 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, callup button for multifunction display to set timer ⇒ Basic equipment Current Flow Diagram |
VW TOURAN 2004 Overview of relay carriers
Overview of relay carriers |
| 1 - | Relay carrier on E-box |
| q | on left in engine compartment |
| 2 - | Relay carrier on onboard supply control unit |
| q | Under dash panel on driver's side |
| q | Relay assignment on onboard supply control unit up to May 2010 → Chapter |
| q | Relay assignment below onboard supply control unit from May 2010 → Chapter |
| q | Relay assignment below onboard supply control unit from May 2012 → Chapter |
| 3 - | Relay carrier above onboard supply control unit, under dash panel on driver's side |
| 4 - | Auxiliary relay carrier under E-box |
| q | Under E-box, in left engine compartment |
| Relay assignment on E-box low |
| 1 - | Motronic current supply relay -J271- (100) |
| 1 - | Terminal 30 voltage supply relay -J317- (458) |
| 2 - | Additional coolant pump relay -J496- |
| 2 - | Secondary air pump relay -J299- (100) |
| q | Engine code BSX, from May 2005 |
| 2 - | Sensor for current measurement -G582- (488) |
| 2 - | Wiring bridges for automatic glow period control unit -J179- |
VW TOURAN 2004 Relay locations on E-box high
Relay locations on E-box high |
| 1 - | Terminal 15 voltage supply relay -J329- (433) |
| 2 - | Terminal 50 voltage supply relay -J682- (433) |
| 3 - | Engine component current supply relay -J757- (167) |
| 4 - | Terminal 30 voltage supply relay -J317- (458) |
VW TOURAN 2004
Relay assignment, relay carrier on onboard supply control unit, under dash panel on driver's side |
| 1 - | Terminal 15 voltage supply relay 2 -J681- (460) |
| 2 - | Heated exterior mirror relay -J99- (449) |
| 4 - | Terminal 30 voltage supply relay 2 -J689- (449) |
| 5 - | Heated rear window relay -J9- (53) |
| 6 - | Dual tone horn relay -J4- (449) |
| 6 - | Horn relay -J413- (449) |
| 7 - | Double washer pump relay 1 -J729- (404) |
| 8 - | Double washer pump relay 2 -J730- (404) |
| 9 - | X-contact relief relay -J59- (460) |
VW TOURAN 2004
Relay assignment of relay carrier above onboard supply control unit, under dash panel on driver's side |
| Relay carrier on top of onboard supply control unit, to May 2010 |
| 1 - | Additional coolant pump relay -J496- (449) |
| 2 - | Headlight washer system relay -J39- (53) |
| 3 - | Fuel supply relay -J643- (449) |
| 3 - | Fuel pump relay -J17- (449) |
| 3 - | Relay for gas shut-off valves -J908- (449) |
| q | From May 2009 for 1.4 l -110 kW engine code CDGA, bi-fuel (natural gas/petrol) |
| 4 - | Fresh air blower relay -J13- (404) |
| 5 - | Fuel pump switch-off relay -J333- (404) |
| 7 - | Auxiliary heater operation relay -J485- (53) |
| 8 - | Terminal 50 voltage supply relay -J682- (53) |
| 9 - | Voltage monitoring relay -J813- |
Note
| -J17- and -J643- are mini-relays and are located in one relay slot (depends on equipment fitted). |
| Relay carrier on top of onboard supply control unit, from May 2010 |
| 1 - | Dual tone horn relay -J4- (646) |
| - Headlight washer system relay -J39- (646) |
| 2 - | Relay for supplementary fuel pump -J832- / Electric fuel pump 2 relay -J49- (646) |
| 3 - | Terminal 50 voltage supply relay -J682- (645) |
| q | Only models with no start/stop system |
| - Starter relay 1 -J906- (645) |
| q | Only models with start/stop system |
| 4 - | Auxiliary heater operation relay -J485- (645) |
| 5 - | Fuel pump relay for auxiliary heater -J749- (646) |
| 8 - | Fuel pump relay -J17- (646) |
| - Relay for gas shut-off valves -J908- (646) |
| q | Engine code CDGA, bi-fuel (natural gas/petrol) |
| - Driving school mode relay -J746- |
VW TOURAN 2004 Relay carrier below onboard supply control unit, from May 2010
Relay carrier below onboard supply control unit, from May 2010 |
| 1 - | X-contact relief relay -J59- (644) |
| 2 - | Terminal 15 voltage supply relay -J329- (645) |
| 3 - | Heated rear window relay -J9- (645) |
| 4 - | Fresh air blower relay -J13- (646) |
| 5 - | Starter relay 2 -J907- (507) |
| q | Only models with start/stop system |
VW TOURAN 2004 Relay carrier on top of onboard supply control unit, from May 2012
Relay carrier on top of onboard supply control unit, from May 2012 |
| 1 - | Dual tone horn relay -J4- (646) |
| - Headlight washer system relay -J39- (646) |
| 2 - | Relay for supplementary fuel pump -J832- / Electric fuel pump 2 relay -J49- (646) |
| 3 - | Terminal 50 voltage supply relay -J682- (645) |
| q | Only models with no start/stop system |
| - Starter relay 2 -J907- (507) |
| q | Only models with start/stop system |
| 4 - | Auxiliary heater operation relay -J485- (645) |
| 5 - | Fuel pump relay for auxiliary heater -J749- (646) |
| 6 - | Trailer voltage supply relay -J941- (646) |
| 7 - | Low heat output relay -J359- (645) |
| q | Engine codes CBZB, CAVB, CAVC, CDGA |
| 8 - | Fuel pump relay -J17- (646) |
| - Relay for gas shut-off valves -J908- (646) |
| q | Engine code CDGA, bi-fuel (natural gas/petrol) |
| - Driving school mode relay -J746- |
| 9 - | High heat output relay -J360- (644) |
| q | Engine codes CBZB, CAVB, CAVC, CDGA |
VW TOURAN 2004 Relay carrier below onboard supply control unit, from May 2012
Relay carrier below onboard supply control unit, from May 2012 |
| 1 - | X-contact relief relay -J59- (644) |
| 2 - | Terminal 15 voltage supply relay -J329- (645) |
| 3 - | Heated rear window relay -J9- (645) |
| 4 - | Fresh air blower relay -J13- (646) |
| 5 - | Starter relay 1 -J906- (645) |
| q | Only models with start/stop system |
VW TOURAN 2004 Relay position assignment on additional relay carrier under E-box in left engine compartment, to April 2005
Relay position assignment on additional relay carrier under E-box in left engine compartment, to April 2005 |
| 2 - | Automatic glow period control unit -J179- (461) |
| 5 - | Secondary air pump relay -J299- (100) |
Note
| -The auxiliary relay carrier is located under the E-box and is only visible when removed. |
VW TOURAN 2004 Relay position assignment on additional relay carrier under E-box, in left engine compartment, from May 2005Relay position assignment on additional relay carrier under E-box, in left engine compartment, from May 2005 |
| 1 - | Auxiliary relay carrier, under E-box on left in engine compartment | | 2 - | Automatic glow period control unit -J179- (461), from August 2006 identification number (457) | | |
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