VW POLO 2004 – 1.9 l/74 kW Turbo diesel engine with unit injectors, engine code AXR . Wiring diagrams, Pin Connector, Location – Diagramas de fiação para carros
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VW POLO 2004 – 1.9 l/74 kW Turbo diesel engine with unit injectors, engine code AXR . Wiring diagrams, Pin Connector, Location
Wiring Diagram VW POLO 2004 - Radiator fan control unit - alternator - voltage regulator - starter - radiator fan - radiator fan thermal switch https://portal-diagnostov.com/license.html
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Automotive Electricians Portal FZCO
Automotive Electricians Portal FZCO A Battery B Starter C Alternator C1 Voltage regulator D Ignition/starter switch F18 Radiator fan thermal switch J293 Radiator fan control unit J519 Onboard supply control unit S162 Fuse -1- (30), in battery fuse holder S176 Fuse -4- (30), in battery fuse holder S177 Fuse -5- (30), in battery fuse holder S180 Fuse -8- (30), in battery fuse holder T2 2-pin connector, near starter T2v 2-pin connector T3j 3-pin connector T4t 4-pin connector T6n 6-pin connector, blue, on bulkhead T6v 6-pin connector T11a 11-pin connector, white, on left of bulkhead T18a 18-pin connector, brown V7 Radiator fan 1 Earth strap, battery - body 108 Earth connection -2-, in front left wiring harness D167 Connection (radiator fan 1st speed), in engine compartment wiring harness D168 Connection (radiator fan 2nd speed), in engine compartment wiring harness * Does not apply to models with an air conditioning system ⇒ respective air conditioning system current flow diagram
Wiring Diagram VW POLO 2004 - Onboard power supply control unit - diesel direct injection system control unit - radiator fan control unit - radiator fan - right - glow plug relay - glow plug (engine) J52 Glow plug relay J248 Diesel direct injection system control unit J293 Radiator fan control unit J519 Vehicle voltage control unit T2g 2-pin connector T3u 3-pin connector T4t 4-pin connector T6w 6-pin connector, grey, left on end wall T11a 11-pin connector, white, on left end wall T121 121-pin connector Q6 Glow plugs (engine) V35 Radiator fan, right 108 Earth connection -2-, in front left wiring harness A56 Positive (+) connection -2- (30), in instruments wiring harness A152 Connection -5- (87), in dash panel wiring harness D78 Positive (+) connection -1- (30a), in engine compartment wiring harness D102 Connection -2-, in engine compartment wiring harness D167 Connection (radiator fan stage I), in engine compartment wiring harness D168 Connection (radiator fan stage II), in engine compartment wiring harness * Does not apply to models with air conditioner
Wiring Diagram VW POLO 2004 - Diesel direct injection system control unit - kick-down switch - clutch pedal switch - brake pedal switch - idling switch - coolant temperature sender - accelerator pedal position sender - fuel temperature sender F Brake light switch F8 Kick-down switch F36 Clutch pedal switch F47 Cruise control system brake pedal switch F60 Idling switch G62 Coolant temperature sender G79 Accelerator pedal position sender G81 Fuel temperature sender J248 Diesel direct injection system control unit J519 Onboard supply control unit SB26 Fuse -26- on fuse holder T4d 4-pin connector T4h 4-pin connector T6c 6-pin connector, blue, on left of bulkhead T6n 6-pin connector T11b 11-pin connector, red, on left of bulkhead T11c 11-pin connector, blue, on left of bulkhead T121 121-pin connector A89 Positive connection -4-(30), in dash panel wiring harness A100 Connection -2- (87), in dash panel wiring harness D73 Positive connection (54), in engine compartment wiring harness D101 Connection -1-, in engine compartment wiring harness * Only models up to May 2002 ** Only models from May 2002
Wiring Diagram VW POLO 2004 - Hall sender - intake manifold pressure sender - intake manifold temperature sender - exhaust gas recirculation valve - charge pressure control solenoid valve - intake manifold flap motor G40 Hall sender G71 Intake manifold pressure sender G72 Intake manifold temperature sender J248 Diesel direct injection system control unit J519 Onboard supply control unit N18 Exhaust gas recirculation valve N75 Charge pressure control solenoid valve N239 Variable intake manifold flap change-over valve T3j 3-pin connector T4 4-pin connector T4g 4-pin connector T6p 6-pin connector T14 14-pin connector, on left in engine compartment T121 121-pin connector V157 Intake manifold flap motor 131 Earth connection -2-, in engine compartment wiring harness D173 Connection (87), in engine pre-wiring harness E30 Connection (87a), in engine wiring harness * Only engine code ATD ** Only engine code AXR
Wiring Diagram VW POLO 2004 - Onboard power supply control unit - diesel direct injection system control unit - engine speed sender - air mass meter - Data bus diagnostic interface - diagnosis connection G28 Engine speed sender G70 Air mass meter J248 Diesel direct injection system control unit J519 Onboard power supply control unit J533 Data bus diagnostic interface SB5 Fuse -5- on fuse box SB17 Fuse -17- on fuse box T3m 3-pin connector T5l 5-pin connector T6n 6-pin connector, blue T11a 11-pin connector, white, on end wall T11b 11-pin connector, red, on end wall T14 14-pin connector, left in engine compartment T16a 16-pin connector, brown T16b 16-pin connector, diagnosis connection T18a 18-pin connector, brown T121 121-pin connector A76 Connection (diagnosis wire K), in dash panel wiring harness A121 Connection (high bus), in dash panel wiring harness A122 Connection (low bus), in dash panel wiring harness D52 Positive (+) connection (15a), in engine compartment wiring harness D159 Connection (high bus), in engine compartment wiring harness D160 Connection (low bus), in engine compartment wiring harness F27 Connection (screening), in diesel direct injection system wiring harness * From May 2002 ** Only engine codese ATD
Wiring Diagram VW POLO 2004 - Onboard power supply control unit - diesel direct injection system control unit - unit injector solenoid valves (cylinder 1-4) E45 Cruise control system switch F268 Additional heater, heater element contact switch J248 Diesel direct injection system control unit J519 Vehicle voltage control unit N240 Unit injector solenoid valve, No. 1 cyl. N241 Unit injector solenoid valve, No. 2 cyl. N242 Unit injector solenoid valve, No. 3 cyl. N243 Unit injector solenoid valve, No. 4 cyl. T8o 8-pin connector T10c 10-pin connector, behind dash panel, right T11a 11-pin connector, white, on left end wall T11c 11-pin connector, blue, on left end wall T16c 16-pin connector T41 41-pin connector T121 121-pin connector * Only models with cruise control system
Wiring Diagram VW POLO 2004 - Onboard power supply control unit - multi-function unit control unit - low heat output relay - high heat output relay - heater element fuse - additional heating heater element J359 Low heat output relay J360 High heat output relay J519 Vehicle voltage control unit S276 Heater element fuse -1- S277 Heater element fuse -2- S278 Heater element fuse -3- T3n 3-pin connector, behind dash panel TV2 Terminal 30 junction box Z35 Additional heating heater element A52 Positive (+) connection -2- (30), in dash panel wiring harness A176 Connection (additional heater), in dash panel wiring harness B169 Positive (+) connection -1- (30), in interior wiring harness
Wiring Diagram VW POLO 2004 - Diesel direct injection system relay - fuel pump relay Wiring Diagram VW POLO 2004 - Control unit with display in dash panel insert - oil pressure switch - fuel pump - fuel gauge - warning lamps - fuel gauge sender Wiring Diagram VW POLO 2004 - Heater element (crankcase breather) - speedometer sender - oil level/oil temperature sender D Ignition/starter switch G22 Speedometer sender G266 Oil level/oil temperature sender J519 Onboard supply control unit N79 Heater element (crankcase breather) SB7 Fuse -7- on fuse holder T3l 3-pin connector, on speedometer sender T11a 11-pin connector, white, on left of bulkhead T11b 11-pin connector, red, on left of bulkhead T14 14-pin connector, on left in engine compartment 3 Earth strap, engine - body 250 Earth connection, in diesel engine pre-wiring harness A2 Positive connection (15), in dash panel wiring harness A15 Positive connection (15), in instruments wiring harness A139 Connection -3- (15), in dash panel wiring harness * From November 2002 applies only to models not fitted with ABS
VW POLO 2004 Overview of all control units Overview of all control units 6 - Engine control units -J248- , -J623- , -J361- , -J220- , -J687- , -J537-
ABS control unit -J104-
On right of bulkhead in engine compartment ⇒ -1-
Polo Fitting Locations No. 805 / 3
Connectors for ABS control unit -J104-
Polo Fitting Locations No. 805 / 4
Connectors for ABS control unit -J104-
VW POLO 2004 Glow plug activation control unit -J370- / automatic glow period control unit -J179- front left in engine compartment
VW POLO 2004 Automatic gearbox control unit -J217- Automatic gearbox control unit -J217- in engine compartment before battery
Polo Fitting Locations No. 805 / 7
Connectors for automatic gearbox control unit -J217-
A - Automatic gearbox control unit -J217-
VW POLO 2004 Power steering control unit -J500- Power steering control unit -J500- In engine compartment, on front of left longitudinal member
3 - Connector, depends on equipment -T3s- or -T4s-
VW POLO 2004 Radiator fan control unit -J293- Radiator fan control unit -J293- Front left in engine compartment ⇒ -arrow A-
VW POLO 2004 NOx sensor control unit -J583- NOx sensor control unit -J583- Under vehicle, near catalytic converter ⇒ -arrow-
A - 10-pin connector, black (T10)
B - 14-pin connector, black (T14x)
VW POLO 2004 Engine control unit - J... Engine control unit - J... On left of bulkhead ⇒ -arrow-
Engine control unit - J...
Note:
Note: see respective current flow diagram for engine control unit.
Note:
t Note Connector T80 comprises a 52-pin and a 28-pin connector.
t * Depending on equipment
t Connector 121, see 207/12
t Connector T94 and T60, see 207/13
Polo Fitting Locations No. 805 / 13
Engine control unit - J...
Note:
Note: see respective current flow diagram for engine control unit.
A - Engine control unit, 121-pin
Note:
Note Connector T121 comprises an 81-pin connector and a 40-pin connector.
Polo Fitting Locations No. 805 / 14
Engine control unit - J...
Note:
Note: see respective current flow diagram for engine control unit.
A - Engine control unit, 154-pin
Note:
Note Connector T154 comprises a 94-pin and a 60-pin connector.
VW POLO 2004 Overview of control units Overview of control units q From November 2007, Fitting Locations
5 - Parking aid control unit -J446-
Polo Fitting Locations No. 804 / 2
q From November 2007, Fitting Locations
q From November 2007, Fitting Locations
q Heated driver seat control unit -J131-
q Heated front seats control unit -J774-
11 - Dipped headlight control unit, on/off (Coming home system) -J665-
q ⇒ Fitting locations; Relay assignment; Relay carrier (15 slot) page 803/3 position -7-
Polo Fitting Locations No. 804 / 3
14 - Air conditioning system control unit -J301-
q ⇒ Workshop manual; Heating; Air conditioning System; Heating, air conditioning system; Repair group 87
q Connector, models with no side airbag
q Connector, models with side airbag
Polo Fitting Locations No. 804 / 4
q From November 2007, Fitting Locations
q Discontinued from November 2005
Polo Fitting Locations No. 804 / 5
Convenience system central control unit -J393-
Under dash panel ⇒ Position 2
Connectors convenience system central control unit -J393-
A - Convenience system central control unit
VW POLO 2004 32-pin connector,T32a, on dash panel insert -J285-
Polo Fitting Locations No. 804 / 8
- 16 - Coolant shortage indicator sender
- 17 - Immobilizer reader coil
- 18 - Rear fog light warning lamp
- 19 - Fog light warning lamp
- 20 - Belt switch warning lamp
- 22 - Brake fluid level warning contact
- 23 - Oil pressure switch
- 27 - Multifunction display
- 30 - Windscreen washer fluid level sender
- 31 - Ambient temperature sensor
- 32 - Terminal 31 for sender-output
VW POLO 2004 8-pin connector, T8c, on dash panel insert -J285- 8-pin connector, T8c, on dash panel insert -J285-
- 1 - Brake pad warning lamp
- 4 - Right parking light
- 5 - Terminal 15 - input
- 7 - Terminal 30 - input
- 8 - Terminal 31 - input
VW POLO 2004 Right door control unit, to November 2007 Right door control unit, to November 2007 Front passenger door control unit -J387-
A - Front passenger door control unit
Rear right door control unit -J389-
A - Rear right door control unit
VW POLO 2004 Right door control unit, from November 2007 Right door control unit, from November 2007 Front passenger door control unit -J387-
A - Front passenger door control unit
Rear right door control unit -J389-
A - Rear right door control unit
VW POLO 2004 Parking aid control unit -J446- Parking aid control unit -J446- On right behind luggage compartment side trim
1 - Parking aid control unit -J446-
2 - Rear parking aid warning buzzer -H15-
A - 16-pin connector -T16d-
B - 12-pin connector -T12n-
C - 2-pin connector -T2aa-
Connectors for parking aid control unit -J446-
A - Parking aid control unit
VW POLO 2004 Fuel pump control unit -J538- Fuel pump control unit -J538- Under rear bench seat ⇒ -arrow-
VW POLO 2004 Left door control unit, to November 2007 Left door control unit, to November 2007 Driver door control unit -J386-
A - Driver door control unit
Rear left door control unit -J388-
A - Rear left door control unit
VW POLO 2004 Left door control unit, from November 2007 Left door control unit, from November 2007 Driver door control unit -J386-
A - Driver door control unit
Rear left door control unit -J388-
A - Rear left door control unit
VW POLO 2004 Heated driver seat control unit -J131- Heated driver seat control unit -J131- On driver seat frame ⇒ -arrow-
VW POLO 2004 Heated front passenger seat control unit -J132- Heated front passenger seat control unit -J132-
On seat frame, front passenger side ⇒ -arrow-
Notes:
t Illustration shows driver side. The front passenger side is similar.
t Heated driver seat control unit - J131 - or Heated front passenger seat control unit - J132 - will be discontinued from November 2005 and will be replaced by Heated front seats control unit - J774
VW POLO 2004 Heated front seats control unit -J774- Heated front seats control unit -J774-
On driver seat frame ⇒ -arrow-
Note:
The Heated front seats control unit -J774- will replace from November 2005 the heated driver seat control unit -J131- and the heated front passenger seat control unit -J132-
VW POLO 2004 Onboard supply control unit -J519- Onboard supply control unit -J519- Under dash panel ⇒ Position 1
Connectors on onboard supply control unit -J519-
VW POLO 2004 Airbag control unit -J234- Airbag control unit -J234- Under centre console at front ⇒ -arrow-
Note:
Earth connection via housing for vehicle earth!
Connectors on airbag control unit -J234-
Models with no side airbag
Connectors on airbag control unit -J234-
Models with no side airbag
VW POLO 2004 Mobile telephone operating electronics control unit -J412- Mobile telephone operating electronics control unit -J412-
Polo Fitting Locations No. 804 / 24
A - Mobile telephone operating electronics control unit
VW POLO 2004 VW POLO 2004 Coupling station rear lid Coupling station rear lid
1 - 5-pin connector, vacant
2 - 5-pin connector -T5b-, brown
3 - 5-pin connector -T5e-, black
VW POLO 2004 coupling station heater, air conditioning system coupling station heater, air conditioning system
1 - 2-pin connector -T2i-, black
2 - 10-pin connector -T10c-, black
3 - 2-pin connector -T2-, black
VW POLO 2004 Coupling station driver seat Coupling station driver seat VW POLO 2004 coupling station front passenger seat coupling station front passenger seat
VW POLO 2004 Coupling station bulkhead (14-pin) Coupling station bulkhead (14-pin)
Polo Fitting Locations No. 806 / 6
VW POLO 2004 Coupling station left in engine compartment Coupling station left in engine compartment 1 - 2-pin connector -T2g-, glow plugs (engine codes ASY, AXR AMF, ASZ)
2 - 14-pin connector -T14-, black
VW POLO 2004 Coupling station, on right in engine compartment Coupling station, on right in engine compartment
1 - 2-pin connector, charge pressure control solenoid valve*
2 - 2-pin connector, activated charcoal filter system solenoid valve*
3 - 2-pin connector, coolant shortage indicator sender *
4 - 6-pin connector, Lambda probe before catalytic converter*
5 - 2-pin connector, temperature sensor after DPF*
6 - 2-pin connector, temperature sensor before DPF*
7 - 2-pin connector, exhaust gas temperature sensor*
* - Not with all levels of equipment
VW POLO 2004 Overview of all earth points Overview of all earth points 671 - Earth point 1, on front of left longitudinal member
12 - Earth point, on left in engine compartment
652 - Earth point, engine and gearbox earth
11 - Earth point, in battery box
640 - Earth point 2, in engine compartment
29 - Earth point, on left in engine compartment, behind battery
606 - Earth point, under centre console, near selector lever
61 - Earth point, on left C-pillar
Polo Fitting Locations No. 801 / 2
14 - Earth point, on gearbox (depends on equipment)
13 - Earth point, on right in engine compartment
15 - Earth point, on cylinder head (depends on equipment)
614 - Earth point 2, on right in engine compartment
610 - Earth point (audio), at front under centre console
637 - Earth point, airbag control unit
Earth point, in engine compartment
671 - Earth point 1, on front of left longitudinal member
Note:
12 - Earth point, on left in engine compartment
14 - Earth point, on gearbox
Note:
11 - Earth point, in battery box
640 - Earth point 2, in engine compartment
29 - Earth point, on left in engine compartment behind battery
61 - Earth point, left C-pillar
Note:
614 - Earth point 2, on right in engine compartment
15 - Earth point, on cylinder head
Note:
VW POLO 2004 Earth points, in interior Earth points, in interior 637 - Earth point, airbag control unit
Note:
Earth connection via housing for vehicle earth!
610 - Earth point (audio), under front of centre console
Note:
Discontinued from November 2006
606 - Earth point, under centre console near gear stick
VW POLO 2004 Overview of relay carrier locations Overview of relay carrier locations 1 - Relay carrier (15-pin)
q Vehicles from November 2001
Relay carrier (15 slot), from November 2001
1 - Driving school mode relay -746-
3 - Glow plug relay -J52- (100)
3 - Motronic current supply relay -J271- (103)
4 - Fuel pump relay -J17- (53)
5 - Warning lamps relay -J560- (449)
6 - Headlight washer system -J39- (53)
7 - Starter inhibitor relay -J207- (126)
8 - Low heat output relay -J359- (53)
9 - High heat output relay -J360- (100)
Polo Fitting Locations No. 803 / 3
10 - Motronic current supply relay -J271- (100) or (429)
10 - Current supply relay -J16- (429)
10 - Current supply relay -J16- (53)
11 - X-contact relief relay -J59- (18)
12 - Fuel supply relay -J643- (404)
13 - Fuel pump relay -J17- (167)
15 - Diesel direct injection system relay -J317- (109)
VW POLO 2004 Relay carrier (15 slot), from May 2005 Relay carrier (15 slot), from May 2005 1 - Secondary air pump relay -J299-
1 - Folding exterior mirror control unit -J351- (361)
2 - Folding exterior mirror control unit -J351- (361)
2 - Driving school mode relay -J746-
3 - Glow plug relay -J52- (103)
3 - Motronic current supply relay -J271- (100)
4 - Fuel pump relay -J17- (53)
5 - Door warning lamps relay -J560- (449)
5 - Brake light suppression relay -J508- (489)
q November 2005 to November 2006
6 - Headlight washer system relay -J39- (53)
Polo Fitting Locations No. 803 / 5
7 - Dipped headlight control unit, on/off (coming home system) -J665- (449)
8 - Low heat output relay -J359- (53)
8 - Coolant pump relay -J235- (53)
9 - High heat output relay -J360- (100)
10 - Motronic current supply relay -J271- (429)
q Only engine codes BMD and BME
10 - Radiator fan relay -J26- (53)
q Only engine codes ASZ and BLT
11 - X-contact relief relay -J59- (100)
12 - Fuel supply relay -J643- (404)
q Only engine codes BMD and BXU
Polo Fitting Locations No. 803 / 6
13 - Fuel pump relay -J17- (167)
q S276 - Heater element fuse 1 - 40A
q S277 - Heater element fuse 2 - 40A
q S278 - Heater element fuse 3 - 40A
15 - Terminal 30 voltage supply relay -J317- (109)/(643)
q Petrol engines with engine code BJX or BUD
15 - Starter inhibitor relay -J207- (53)
q Only engine code BKY with automatic gearbox
15 - Motronic current supply relay -J271- (109)
q Only engine codes BUD and BTS
15 - Fuel pump relay -J17- (167)/(447)
q Only engine codes BMD and BME
VW POLO 2004 Relay carrier (15 slot), from May 2008 Relay carrier (15 slot), from May 2008 1 - Secondary air pump relay -J299- (100)
1 - Folding exterior mirror control unit -J351- (361)
2 - Folding exterior mirror control unit -J351- (361)
2 - Driving school mode relay -J746- (467)
3 - Glow plug relay -J52- (100)
q Only engine codes AXR, BNV, BNM
4 - Fuel pump relay -J17- (53)
6 - Headlight washer system relay -J39- (53)
¹) Gradual introduction in model year 2008
Polo Fitting Locations No. 803 / 8
7 - Dipped headlight control unit, on/off (coming home system) -J665- (456)
8 - Low heat output relay -J359- (53)
9 - High heat output relay -J360- (100)
10 - Motronic current supply relay -J271- (429)
q Only engine codes BBM, BZG
10 - Radiator fan relay -J26- (53)
q Only engine codes ASZ, BLT
11 - X-contact relief relay -J59- (100)
12 - Fuel supply relay -J643- (404)
q Only engine codes BTS, BUD, BZG
Polo Fitting Locations No. 803 / 9
13 - Fuel pump relay -J17- (53)
q S276 - Heater element fuse 1 - 40A
q S277 - Heater element fuse 2 - 40A
q S278 - Heater element fuse 3 - 40A
15 - Terminal 30 voltage supply relay - J317 (643)
15 - Motronic current supply relay -J271- (643)
q Not engine codes BUD, BTS
¹) Discontinued with gradual introduction in model year 2008
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