Download Audi TT Quattro 45 Coupe (FVP) 2021 Electrical Diagram Manual L4-2.0L Turbo (DHHA) PDF

Comprehensive electrical diagram manual for the 2021 Audi TT Quattro 45 Coupe (FVP) with L4-2.0L Turbo engine (DHHA). This detailed technical reference covers all electrical systems, wiring diagrams, component locations, and circuit specifications. Essential for technicians, mechanics, and enthusiasts performing diagnostics, repairs, or modifications. Includes complete schematics for engine management, lighting, climate control, infotainment, and safety systems. Precise documentation ensures accurate troubleshooting and proper system restoration.

MODEL COVERED:
TT Quattro 45 Coupe (FVP) 2021 
Engine: L4-2.0L Turbo (DHHA)

MANUAL CONTENTS:
1. Active Body Work
2. Air Conditioning – Automatic A_C Circuit
3. Anti-Lock Brakes
4. Anti-Theft – Access_Start Circuit
5. Anti-Theft – Forced Entry Circuit
6. Computer Data Lines
7. Cooling Fans
8. Cruise Control
9. Defogger
10. Door Locks
11. Electronic Power Steering
12. Electronic Suspension
13. Engine Controls – DHHA
14. Engine Controls – DLRA
15. Exterior Lights – Backup Lamps Circuit
16. Exterior Lights – Exterior Lamps Circuit
17. Ground Distribution
18. Headlights – W_ HID
19. Headlights – W_O HID amp Matrix Beam
20. Headlights – W_O HID W_ Matrix Beam
21. Instrument Cluster
22. Interior Lights – Courtesy Lamps Circuit
23. Interior Lights – Instrument Illumination Circuit
24. Mirrors – Automatic Day_Night Mirror Circuit
25. Mirrors – Power Mirrors Circuit
26. Navigation – Lane Change Assistance Circuit
27. Navigation – Lane Departure Warning Circuit
28. Navigation – Navigation Circuit
29. Navigation – Parking Assistant Circuit (W_ Parallel Parking)
30. Navigation – Parking Assistant Circuit (W_O Parallel Parking)
31. Navigation – Rear Camera Circuit
32. Navigation – Vehicle Positioning Interface Control Module Circuit
33. Power Distribution
34. Power Tops
35. Power Windows
36. Seats – Heated Seats Circuit
37. Seats – Lumbar Circuit
38. Seats – Multi Contour Seat Circuit
39. Seats – Neck Warmer Circuit
40. Seats – Power Seats Circuit
41. Shift Interlock – Shift Interlock Circuit
42. Sound Systems – MOST Data Bus Circuit
43. Sound Systems – Radio Circuit (W_ Bang amp Olufsen Sound)
44. Sound Systems – Radio Circuit (W_ Navigation)
45. Sound Systems – Radio Circuit (W_O Navigation)
46. Sound Systems – TV Tuner Circuit
47. Starting_Charging – Charging Circuit
48. Starting_Charging – Starting Circuit
49. Steering Column Circuit
50. Steering Column Electronic Systems Control Module Circuit
51. Supplemental Restraints
52. Transmissions – A_T Circuit
53. Transmissions – AWD Circuit
54. Trunk, Tailgate, Fuel Doors – Trunk amp Fuel Door Release Circuit
55. Vehicle Electrical System Control Module Circuit
56. Warning Systems – Brake Wear Sensor Circuit
57. Warning Systems – Buzzer Circuit
58. Warning Systems – Tire Pressure Monitoring Circuit
59. Wiper_Washer – Jet Heater Circuit
60. Wiper_Washer – Wiper_Washer Circuit
61. Sockets, Cigarette Lighter, from November 2014_001
62. Sockets, Cigarette Lighter, from November 2014_002
63. Gasoline Engine, DHHA, from June 2018
64. A_C System w_ Automatic Control, (9AK), from November 2014
65. A_C System w_ Manual Control, (9AC),(KH6), from November 2014
66. Access and Start Authorization, (4F2),(4I3), from November 2014_001
67. Access and Start Authorization, (4F2),(4I3), from November 2014_002
68. Airbag Systems (USA), (4UB), from November 2014
69. All-Wheel Drive, (1X1), from November 2014
70. Anti-Lock Brake System (ABS), from November 2014
71. Automatic Dimming Interior Rearview Mirror, from November 2014
72. Automatic Transmission – DSG 0D9, (0ES), from November 2014
73. Cell Phone System, (9ZE),(9ZV),(9ZX), from November 2014
74. Convenience System, from November 2014_001
75. Convenience System, from November 2014_002
76. Convenience System, from November 2014_003
77. Convenience System, from November 2014_004
78. Convenience System, from November 2014_005
79. Convenience System, from November 2014_006
80. Convenience System, from November 2014_007
81. Convenience System, from November 2014_008
82. Convenience System, from November 2014_009
83. Convenience System, from November 2014_010
84. Data Bus on Board Diagnostic Interface and Diagnostic Link Connector (DLC), from November 2014
85. Driver Assistance Systems Front Camera, (QK1), from November 2014
86. Fuse Positions, from June 2018
87. Garage Door Opener, (VC1),(VC2), from November 2014
88. Headlamps HID w_ Range Control, (8IH), from November 2014
89. Headlamps LED w_ Matrix Beam, (8G4), from November 2014
90. Headlamps LED, (8IT), from November 2014
91. Infotainment MOST BUS, from November 2014
92. Lane Change Assistance, (7Y1), from November 2014
93. Level Control System w_ Dampening Adjustment, (1BL),(1BQ),(2MV), from November 2014
94. MMI High w_ Navigation System, (I8H), from November 2014
95. MMI w_ Radio, (I8E), from November 2014
96. Multifunction Steering Wheel, (2PU),(2PF), from November 2014
97. Multifunction Steering Wheel, (2ZC), from June 2016
98. Parking Distance Control, (7X1),(7X2), from November 2014
99. Parking Distance Control, (7X5), from November 2014
100. Power Steering, Electromechanical, from November 2014
101. Radio, from November 2014
102. Rearview Camera (Rear Assist), (KA2), from November 2014
103. Seat Heating, (4A3), from November 2014
104. Seat Lumbar Adjustment w_ Manual Seats, (7P1),(3L3), from November 2014
105. Seat Lumbar Adjustment w_ Power Seats, (3PK), from November 2014
106. Seats Adjustment, Front only, (3L5), from November 2014
107. Sound System, Bang amp Olufsen, (9VS), from November 2014
108. Standard Equipment, from November 2014_001
109. Standard Equipment, from November 2014_002
110. Standard Equipment, from November 2014_003
111. Standard Equipment, from November 2014_004
112. Standard Equipment, from November 2014_005
113. Standard Equipment, from November 2014_006
114. Standard Equipment, from November 2014_007
115. Standard Equipment, from November 2014_008
116. Standard Equipment, from November 2014_009
117. Standard Equipment, from November 2014_010
118. Standard Equipment, from November 2014_011
119. Standard Equipment, from November 2014_012
120. Standard Equipment, from November 2014_013
121. Standard Equipment, from November 2014_014
122. Standard Equipment, from November 2014_015
123. Tail Lamps w_ LED, only for US Equipment, (8SP), (8SC), from November 2014
124. Tire Pressure Monitoring, (7K1),(7K6),(7K9), from June 2015
125. TV Tuner, (QU1),(QV1), from November 2014