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Audi A4 Quattro Sedan 45 (8WC) 2021 Electrical Diagram Manual L4-2.0L Turbo (DPAA) MHEV

Audi A4 Quattro Sedan 45 (8WC) 2021 Electrical Diagram Manual L4-2.0L Turbo (DPAA) MHEV

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Download Audi A4 Quattro Sedan 45 (8WC) 2021 Electrical Diagram Manual L4-2.0L Turbo (DPAA) MHEV PDF

Comprehensive electrical diagram manual for the 2021 Audi A4 Quattro Sedan 45 (8WC) equipped with L4-2.0L Turbo (DPAA) MHEV engine. This detailed technical reference covers all electrical systems, wiring diagrams, component locations, and circuit specifications. Essential for technicians, mechanics, and automotive professionals performing diagnostics, repairs, and maintenance on this model. Includes schematics for engine management, transmission control, lighting, climate systems, and hybrid-electric components. Precise documentation ensures accurate troubleshooting and proper system restoration.

MODEL COVERED: 
A4 Quattro Sedan 45 (8WC) 2021 
Engine: L4-2.0L Turbo (DPAA) MHEV

MANUAL CONTENTS:
1. Active Body Work
2. Air Conditioning – Automatic A_C Circuit (W_ Climatronic)
3. Air Conditioning – Automatic A_C Circuit (W_O Climatronic)
4. Anti-Lock Brakes
5. Anti-Theft – Access_Start Circuit
6. Anti-Theft – Forced Entry Circuit
7. Body Computer – Comfort System Central Control Module Circuit
8. Computer Data Lines
9. Cooling Fans
10. Cruise Control
11. Defogger – Rear Defogger amp Heated Mirrors Circuit
12. Door Locks
13. Electronic Power Steering – Active Steering Control Module Circuit
14. Electronic Power Steering – Electromechanical Power Steering Circuit
15. Electronic Suspension
16. Engine Controls – DMSA
17. Engine Controls – DPAA
18. Exterior Lights – Backup Lamps Circuit
19. Exterior Lights – Exterior Lamps Circuit
20. Ground Distribution
21. Headlights – W_ HID
22. Headlights – W_O HID amp Matrix Beam
23. Headlights – W_O HID W_ Matrix Beam
24. Heated Steering Wheel Circuit
25. Heated Windshield Circuit
26. Instrument Cluster – W_ FPK Active Info Display
27. Instrument Cluster – W_O FPK Active Info Display
28. Interior Lights – Courtesy Lamps Circuit
29. Interior Lights – Instrument Illumination Circuit
30. Memory Systems – Memory Mirrors Circuit
31. Memory Systems – Memory Seat Circuit
32. Mirrors – Automatic Day_Night Mirror Circuit
33. Mirrors – Power Mirrors Circuit
34. Navigation – Emergency Call Circuit
35. Navigation – Lane Change Assistance Circuit
36. Navigation – Lane Departure Warning Circuit
37. Navigation – Navigation Circuit (W_ Amplifier)
38. Navigation – Navigation Circuit (W_O Amplifier)
39. Navigation – Parking Assistant Circuit (W_ Parallel Parking)
40. Navigation – Parking Assistant Circuit (W_O Parallel Parking)
41. Navigation – Peripheral Camera Circuit
42. Navigation – Rear Camera Circuit
43. Park Brake Release Circuit
44. Power Distribution
45. Power Tops
46. Power Windows
47. Seats – Heated Seats Circuit (W_ Ventilation)
48. Seats – Heated Seats Circuit (W_O Ventilation)
49. Seats – Lumbar Circuit
50. Seats – Multi Contour Seat Circuit (W_ Power Seat Adjustment)
51. Seats – Multi Contour Seat Circuit (W_O Power Seat Adjustment)
52. Seats – Power Seats Circuit
53. Shift Interlock – Shift Interlock Circuit
54. Sound Systems – MOST Data Bus Circuit
55. Sound Systems – Radio Circuit (W_ Amplifier)
56. Sound Systems – Radio Circuit (W_O Amplifier)
57. Sound Systems – Rear Seat Entertainment Circuit
58. Sound Systems – TV Tuner Circuit
59. Starting_Charging – Charging Circuit
60. Starting_Charging – Starting Circuit
61. Steering Column Circuit
62. Steering Column Electronic Systems Control Module Circuit
63. Supplemental Restraints
64. Transmissions – A_T Circuit
65. Transmissions – AWD Circuit (W_ Torque Vectoring)
66. Transmissions – AWD Circuit (W_O Torque Vectoring)
67. Trunk, Tailgate, Fuel Doors – Trunk amp Fuel Door Release Circuit
68. Vehicle Electrical System Control Module Circuit
69. Warning Systems – Brake Wear Sensor Circuit
70. Warning Systems – Chime Circuit
71. Warning Systems – Tire Pressure Monitoring Circuit
72. Wiper_Washer – Jet Heater Circuit
73. Wiper_Washer – Wiper_Washer Circuit
74. Gasoline Engine, DMTA, from June 2020
75. System, (0K4),(VH2), from December 2018
76. A_C System, (9AK), from July 2015
77. A_C System, (9AQ), from July 2015
78. Access and Start Authorization, (2F0), from July 2015_001
79. Access and Start Authorization, (2F0), from July 2015_002
80. Access and Start Authorization, (2F1), from July 2018_001
81. Access and Start Authorization, (2F1), from July 2018_002
82. Adaptive Cruise Control, (8T3),(8T8), from July 2015
83. Airbag Systems (USA), from November 2015
84. All-Wheel Drive, (GH2), from July 2015
85. All-Wheel Drive, (GH4), from May 2016
86. Anti-Lock Brake System (ABS), from July 2015
87. Automatic Dimming Interior Rearview Mirror, from July 2015
88. Automatic Transmission – DSG 7-Speed 0CK, (G1C),(G1D), from July 2015
89. Automatic Transmission, (G1G), from July 2015_001
90. Automatic Transmission, (G1G), from July 2015_002
91. Auxiliary Air Heater (PTC), (7E6), from July 2015
92. Battery, Starter and Generator, (0K4), (VH2), from December 2018_001
93. Battery, Starter and Generator, (0K4), (VH2), from December 2018_002
94. Battery, Starter and Generator, (0K4), (VH2), from December 2018_003
95. Battery, Starter and Generator, (VH0), from July 2015_001
96. Battery, Starter and Generator, (VH0), from July 2015_002
97. Battery, Starter and Generator, (VH0), from July 2015_003
98. Cell Phone System, (9ZE), (9ZV), from July 2019
99. Comfort System, RHD, (L0R), from July 2015_001
100. Comfort System, RHD, (L0R), from July 2015_002
101. Comfort System, RHD, (L0R), from July 2015_003
102. Communication, from July 2019
103. Convenience System, (L0L), from July 2015_001
104. Convenience System, (L0L), from July 2015_002
105. Convenience System, (L0L), from July 2015_003
106. Convenience System, (L0L), from July 2015_004
107. Convenience System, (L0L), from July 2015_005
108. Convenience System, (L0L), from July 2015_006
109. Convenience System, (L0L), from July 2015_007
110. Convenience System, (L0L), from July 2015_008
111. Convenience System, (L0L), from July 2015_009
112. Convenience System, (L0L), from July 2015_010
113. Convenience System, (L0L), from July 2015_011
114. Convenience System, (L0L), from July 2015_012
115. Data Bus on Board Diagnostic Interface and Diagnostic Link Connector (DLC), from July 2015
116. Driver Assistance Systems Front Camera, (QK1), from July 2015
117. Engine Sound Generator, (FN0),(FN1), from July 2015
118. External Usage Interface, (IU3),(9B1), from February 2020
119. Fuse Positions, from July 2015
120. Garage Door Opener, (VC1),(VC2), from July 2015
121. Headlamp, (8EX), from July 2019
122. Headlamp, (8IT), from July 2019
123. Headlamp, (8IY), from July 2019
124. Heated Steering Wheel, from July 2015
125. Infotainment MOST BUS, from July 2019
126. Instrument Cluster, (9S5), (9S7), from July 2019
127. Instrument Cluster, (9S8), (9S9), from July 2019
128. Lane Change Assistance, (7Y1), from July 2015
129. Level Control System w_ Dampening Adjustment, (1BL),(1BQ),(2MC),(2MN),(2MS),(2MT),(2MV),(GH2), from July 2015
130. MMI (Information Electronics 1), from July 2019
131. Multifunction Steering Wheel, from July 2015
132. Network Data Bus (FlexRay BUS), from July 2015
133. Parking Aid, Front and Rear, (7X2), from July 2015
134. Parking Aid, Rear, (7X1), from July 2015
135. Parking Distance Control w_ Parallel Parking Assistance (Park Assist), (7X5), from July 2015
136. Peripheral Camera, (KA6), from July 2019
137. Power Steering, Electromechanical, (1N8),(L0L),(QZ7), from July 2015
138. Rearview Camera (Rear Assist), (KA2), from July 2019
139. Seat Entertainment, Rear, (9WQ), from July 2015
140. Seat Heating, (4A3),(4A4), from July 2015
141. Seat Lumbar Adjustment w_ Manual Seats, (7P1),(7P7), from July 2015
142. Seat Lumbar Adjustment, (3L3),(8I6), from July 2015
143. Seat Ventilation, (4D3), (L0L), from July 2015
144. Seats Adjustment, Front only, (3L4), from July 2015
145. Seats Adjustment, Front only, (3L4),(8I6), from July 2015
146. Seats Adjustment, Front only, (3L5),(3PB),(3PE), from July 2015
147. Seats Adjustment, Front only, (3L5),(3PB),(3PE),(8I6), from July 2015
148. Sound System, (8RM), (9VD), from July 2019
149. Sound System, (9VS), from July 2019
150. Standard Equipment, (L0L), from July 2015
151. Sunroof, Open Sky System, (3FE), from July 2015
152. Tail Lamps, (8VG), (AV0), (AV1), (AV4), from July 2019
153. Tail Lamps, (8VM), (8VP), (AV0), (AV1), (AV4), from July 2019
154. Tail Lamps, (8VM), (8VP), (AV2), from October 2019
155. Trailer Mode, (1D4), (1D8), (1D9), from July 2015
156. TV Tuner, (QU1), (QV1), from July 2015
157. USB Connections for Data Transfer, from July 2019
158. Windshield Defogger, (0K4), (0K0), (4GR), (4GY), from May 2016
159. Windshield Projection Head Up Display, (KS1), from July 2015

Category Details
Date 2021
Type of Manual Electrical Diagrams
Engine L4-2.0L Turbo (DPAA) MHEV
Number of Pages 1253
File Size 31.1 MB
Format PDF

: File Format - PDF (Portable Document Format)


: Manual Images - (High-Quality PDF)


: Printable - Entire Manual


: Compatible - All versions of Windows, ios, android


: The manual includes - Bookmarks, Searchable Text, Wiring, and Hydraulic Schematics


: Download - You will receive the PDF manual in your email after the purchase

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