AUDI A4 CABRIOLET 2003 – Auxiliary heater . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI A4 CABRIOLET 2003 - Temperature sensor - flame monitor - additional heater control unit - auxiliary heating radio wave receiver - heater overheating fuse (8 Amp.) - auxiliary heater fuse

G18	Temperature sensor
G64	Flame monitor
J364	Additional heater control unit
R1	Aerial connection
R11	Aerial
R64	Auxiliary heating radio wave receiver
S24	Heater overheating fuse (8 Amp.)
S62	Auxiliary heater fuse
T10k	10-pin connector, white, connector point, A pillar, left
86	Earth connection -1-, in rear wiring harness
146	Earth connection -1-, in auxiliary heater wiring harness
249	Earth connection -2-, in interior 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
*	Only models with auxiliary heating radio wave receiver

Wiring Diagram AUDI A4 CABRIOLET 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	Coolant shut-off valve, heater
Q8	Glow plug with flame monitor
T2l	2-pin connector, green, near back panel
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 CABRIOLET 2003

AUDI A4 CABRIOLET 2003 Overview of earth points

Overview of earth points

   

6 -	Earth point, rear right side panel -663-

q	behind side trim on rear right

Audi Cabriolet Fitting Locations No.  801 / 2 https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 9 -  Earth point, centre on rear lid -612- q   centre on rear lid, behind the trim 11 -  Earth point, on left in luggage compartment -50- q   Location 13 -  Earth point, near convenience system central control unit -49- q   Location Audi Cabriolet Fitting Locations No.  801 / 3 https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car q   only for 2.0 l FSI motor, location q   only for 2,5 l engine TDI, location 15 -  15 -  17 -  Earth point, in battery box -11- q   Location 17 -  Earth point, starter battery -624- q   Location Earth point, in engine compartment

11	Earth point, in battery box -arrow-

 

Torque: 20 Nm    12 Earth point, in engine compartment, left -arrow- on bulkhead Torque: 9 Nm not for 2,0 l engine FSI not for 2,5 l engine TDI

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12	Earth point, in engine compartment, left -arrow-

on bulkhead

Torque: 9 Nm

 

only for 2,0 l engine FSI    12 Earth point, in engine compartment, left -arrow- on bulkhead Torque: 9 Nm only for 2,5 l engine TDI

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19	Earth point, near coil -arrow-

Torque: 8 Nm

 

only for 4.2 l engine    26 Earth point, on front apron -arrow- Torque: 9 Nm

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624	Earth point, starter battery -arrow-

Torque: 7.5 Nm

  Earth points, in interior

32	Earth point behind dash panel on left -arrow-

 

Torque: 9 Nm    33 Earth point behind dash panel on right -arrow- Torque: 9 Nm

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43	Earth point, lower part of right A-pillar -arrow-

 

Torque: 9 Nm    44 Earth point, lower part of left A-pillar -arrow- Torque: 9 Nm

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49	Earth point, near convenience system central control unit -arrow-

 

Torque: 9 Nm    610 Earth point (audio), under centre console, front -arrow- Torque: 9 Nm

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Earth point, in luggage compartment

50	Earth point, on left in luggage compartment -arrow-

Torque: 9 Nm

 

AUDI A4 CABRIOLET 2003 Control units overview

Control units overview    

5 -

5 -

Audi Cabriolet	Fitting Locations	No.  804 / 2

5 -

q	Location for navigation system RNS-E

Audi Cabriolet	Fitting Locations	No.  804 / 3

Diesel direct injection system control unit -J248-

q

Location

17 -	Automatic gearbox control unit -J217-

q	for models with multitronic® only

q

Location

AUDI A4 CABRIOLET 2003 Motronic control unit -J220-, diesel direct injection system control unit -J248-

Motronic control unit -J220-, diesel direct injection system control unit -J248-  

Location: On electronics box in plenum chamber

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AUDI A4 CABRIOLET 2003 Automatic gearbox control unit -J217-

Automatic gearbox control unit -J217-

not for models with multitronic®

Location:

 

In electronics box in plenum chamber for models with multitronic® only Location: In gearbox

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AUDI A4 CABRIOLET 2003 ABS control unit -J104-

AUDI A4 CABRIOLET 2003 Radiator fan control unit -J293-

Radiator fan control unit -J293-  

Location: on radiator fan

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AUDI A4 CABRIOLET 2003 Fresh air blower control unit -J126-

AUDI A4 CABRIOLET 2003 Headlight range control, control unit -J431-

Headlight range control, control unit -J431-  

Location: Behind the glove box

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AUDI A4 CABRIOLET 2003 Steering column electronics control unit -J527-

AUDI A4 CABRIOLET 2003 Display control unit in dash panel insert -J285-

Display control unit in dash panel insert -J285-  

Location: Location: In the dash panel behind the display unit

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AUDI A4 CABRIOLET 2003 Airbag control unit -J234-

AUDI A4 CABRIOLET 2003 Onboard power supply control unit -J519-

Onboard power supply control unit -J519-  

Location: Behind driver's storage compartment

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AUDI A4 CABRIOLET 2003 Navigation operating electronics control unit -J402-

Navigation operating electronics control unit -J402-

for navigation system RNS-D only

Location:

in centre console

 

AUDI A4 CABRIOLET 2003 Radio -R- Radio -R- not for navigation system Location: in centre console

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AUDI A4 CABRIOLET 2003 Navigation system with CD drive control unit -J401-

Navigation system with CD drive control unit -J401-

For navigation system NS-Low only

Location:

 

in centre console For navigation system RNS-E only Location: in centre console

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AUDI A4 CABRIOLET 2003 Control unit with display for radio and navigation system -J503-

Control unit with display for radio and navigation system -J503-

for navigation system RNS-Low only

Location:

in centre console

AUDI A4 CABRIOLET 2003 CD changer -R41-

CD changer -R41-

 

Location: In glove compartment

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AUDI A4 CABRIOLET 2003 Convenience system central control unit -J393-

Convenience system central control unit -J393-    

Location: on sill, front left

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AUDI A4 CABRIOLET 2003 Telephone and telematics control unit, telematics -J526- Telephone and telematics control unit, telematics -J526- For models with telematics only Location: in electronics box under front passenger seat

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AUDI A4 CABRIOLET 2003 Driver door control unit -J386-

AUDI A4 CABRIOLET 2003 Front passenger side door control unit -J387-

Front passenger side door control unit -J387-  

Location: In window regulator motor integrated

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