Wiring Diagram AUDI A4 2003 - Temperature sensor - flame monitor - additional heater control unit - auxiliary heating radio wave receiver - heater overheating fuse (8 Amp.) - auxiliary heater fuse
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Automotive Electricians Portal FZCO
Automotive Electricians Portal FZCO G18 | Temperature sensor |
G64 | Flame monitor |
J364 | Additional heater control unit |
R1 | Aerial connection |
R11 | Aerial |
R64 | Auxiliary heating radio wave receiver |
R108 | Aerial module, left |
S24 | Heater overheating fuse (8 Amp.) |
S62 | Auxiliary heater fuse |
T10k | 10-pin connector, white, connector point, A pillar, left |
44 | Earth point, lower part of left A pillar |
86 | Earth connection -1-, in rear wiring harness |
146 | Earth connection -1-, in auxiliary heater wiring harness |
501 | Screw connection -2- (30), on relay plate |
A52 | Positive (+) connection -2- (30), in dash panel wiring harness |
B271 | Positive (+) connection (auxiliary heater), in interior wiring harness |
* | Saloon models |
** | Avant models |
Wiring Diagram AUDI A4 2003 - Control and display unit for air conditioner/Climatronic - additional heater control unit - coolant shut-off valve - glow plug - combustion air blower - metering pump - recirculating pump
E87 | Control and display unit for air conditioner/Climatronic |
J285 | Control unit with display in dash panel insert |
J364 | Additional heater control unit |
N279 | Heater coolant shut-off valve |
Q8 | Glow plug with flame monitor |
T10k | 10-pin connector, white, connector point, A pillar, left |
T16 | 16-pin connector, black, diagnostic connector |
T32 | 32-pin connector, blue, on dash panel insert |
V6 | Combustion air blower |
V54 | Metering pump |
V55 | Recirculating pump |
146 | Earth connection -1-, in auxiliary heater wiring harness |
249 | Earth connection -2-, in interior wiring harness |
A146 | Connection (convenience CAN bus, high), in dash panel wiring harness |
A147 | Connection (convenience CAN bus, low), in dash panel wiring harness |
A159 | Connection (L), in dash panel wiring harness |
AUDI A4 2003
| AUDI A4 2003 Overview of earth points in engine compartment
Overview of earth points in engine compartment | | | 1 - | Earth point, in battery box -11- |
2 - | Earth point, starter battery -624- |
3 - | Earth point, on left in engine compartment -12- |
q | not for 2,0 l engine FSI, not for 2,5 l engine TDI, location → page 801/6 |
4 - | Earth point, on front apron -26- |
5 - | Earth point, near coil -19- |
6 - | Earth point, on engine block -18- |
Audi A4 | Fitting Locations | No. 801 / 2 |
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Overview of earth points in vehicle interior |
1 - | Earth point, lower part of right A-pillar -43- |
2 - | Earth point, on right behind dash panel -33- |
3 - | Earth point (audio), under centre console, front -610- |
4 - | Earth point, lower part of right B-pillar -78- |
5 - | Earth point, lower part of left B-pillar -77- |
6 - | Earth point, near convenience system central control unit -49- |
Audi A4 | Fitting Locations | No. 801 / 3 |
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7 - | Earth point, lower part of left A-pillar -44- |
8 - | Earth point, on left behind dash panel -32- |
Audi A4 | Fitting Locations | No. 801 / 4 |
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Overview of earth points in luggage compartment - saloon models | Note: ♦ Overview of luggage compartment - Avant models → Page 801/5 | | | |
1 - | Earth point, right D-pillar -654- |
2 - | Earth point in luggage compartment -701- |
3 - | Earth point, left D-pillar -653- |
4 - | Earth point, on left in luggage compartment -50- |
Audi A4 | Fitting Locations | No. 801 / 5 |
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Overview of earth points in luggage compartment - Avant models |
1 - | Earth point, right D-pillar -654- |
2 - | Earth point, on right in rear lid -53- |
3 - | Earth point, left D-pillar -653- |
4 - | Earth point, on left in rear lid -52- |
5 - | Earth point, on left in luggage compartment -50- |
Audi A4 | Fitting Locations | No. 801 / 6 |
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AUDI A4 2003 Earth point, in engine compartmentEarth point, in engine compartment | 11 | Earth point, in battery box -arrow- | | | |
12 | Earth point, in engine compartment, left -arrow- | | | |
Audi A4 | Fitting Locations | No. 801 / 7 |
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12 | Earth point, in engine compartment, left -arrow- | | | |
only for 2,0 l engine FSI | 12 | Earth point, in engine compartment, left -arrow- | only for 2,5 l engine TDI | | | |
Audi A4 | Fitting Locations | No. 801 / 8 |
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18 | Earth point on engine block -arrow- | | | |
18 | Earth point on engine block -arrow- | | | |
Audi A4 | Fitting Locations | No. 801 / 9 |
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18 | Earth point on engine block -arrow- | | | |
only for 2,0 l engine FSI | 18 | Earth point on engine block -arrow- | | | |
Audi A4 | Fitting Locations | No. 801 / 10 |
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19 | Earth point, near coil -arrow- | | | |
26 | Earth point, on front apron -arrow- | | | |
Audi A4 | Fitting Locations | No. 801 / 11 |
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624 | Earth point, starter battery -arrow- | | | |
Audi A4 | Fitting Locations | No. 801 / 12 |
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AUDI A4 2003 Earth points, in interiorEarth points, in interior | 32 | Earth point behind dash panel on left -arrow- | | | |
33 | Earth point behind dash panel on right -arrow- | | | |
Audi A4 | Fitting Locations | No. 801 / 13 |
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43 | Earth point, lower part of right A-pillar -arrow- | | | |
44 | Earth point, lower part of left A-pillar -arrow- | | | |
Audi A4 | Fitting Locations | No. 801 / 14 |
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49 | Earth point, near convenience system central control unit -arrow- | | | |
77 | Earth point, lower part of left B-pillar -arrow- | | | |
Audi A4 | Fitting Locations | No. 801 / 15 |
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78 | Earth point, lower part of right B-pillar -arrow- | | | |
610 | Earth point (audio), under centre console, front -arrow- | | | |
Audi A4 | Fitting Locations | No. 801 / 16 |
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AUDI A4 2003 Earth point, in luggage compartment - saloon models Earth point, in luggage compartment - saloon models | 50 | Earth point, on left in luggage compartment -arrow- | | | 653 | Earth point, left D-pillar -arrow- | | | | Audi A4 | Fitting Locations | No. 801 / 17 | | 654 | Earth point, right D-pillar -arrow- | | | | 701 | Earth point, in luggage compartment -arrow- | | | | Audi A4 | Fitting Locations | No. 801 / 18 | | Earth point, in luggage compartment - Avant models | 50 | Earth point, on left in luggage compartment -arrow- | | | | Audi A4 | Fitting Locations | No. 801 / 19 | | 52 | Earth point, on left in rear lid -arrow- | | | | 53 | Earth point, on right in rear lid -arrow- | | | | Audi A4 | Fitting Locations | No. 801 / 20 | | 653 | Earth point, left D-pillar -arrow- | | | | 654 | Earth point, right D-pillar -arrow- | | | | |