AUDI TT 1999 – Anti-lock brake system (ABS) with electronic differential lock (EDL), traction control system (ASR/TCS), and electronic stability program (ESP) (conversion) . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI TT 1999 - Control unit for anti-lock brake system with electronic differential lock - lateral acceleration sender - yaw rate sender

A	Battery
G200	Lateral acceleration sender
G202	Yaw rate sender
J104	ABS with EDL control unit
J218	Combi-processor in dash panel insert
J220	Motronic control unit
S162	Fuse -1- (30), in battery fuse box
S163	Fuse -2- (30), in battery fuse box
T2ai	2-pin connector, black, in plenum chamber
T3e	3-pin connector, black, on main fuse box/battery
T10a	10-pin connector, white, in plenum chamber
T25a	25-pin connector, next to ABS control unit
T32a	32-pin connector, green, on dash panel insert
T47	47-pin connector, on ABS control unit
286	Earth connection -8-, in interior wiring harness
A121	Connection (high bus), in dash panel wiring harness
A122	Connection (low bus), in dash panel wiring harness
•	CAN bus (Data wire)
*	Model year 1999 connector T10a, green Model year 2000 connector T10a, white

Wiring Diagram AUDI TT 1999 - Control unit for anti-lock brake system with electronic differential lock - speed sensor - valves for anti-lock brake system

G44	Rear right speed sensor
G45	Front right speed sensor
G46	Rear left speed sensor
G47	Front left speed sensor
J104	ABS with EDL control unit
N99	ABS inlet valve, front right
N100	ABS outlet valve, front right
N101	ABS inlet valve, front left
N102	ABS outlet valve, front left
N133	ABS inlet valve, rear right
N134	ABS inlet valve, rear left
N135	ABS outlet valve, rear right
N136	ABS outlet valve, rear left
N225	Electronic stability program switch valve -1-
N226	Electronic stability program switch valve -2-
N227	Electronic stability program high pressure valve -1-
N228	Electronic stability program high pressure valve -2-
T25a	25-pin connector, next to ABS control unit
T47	47-pin connector, on ABS control unit
D146	Connection (rear left speed sensor +), in engine compartment wiring harness
D147	Connection (rear left speed sensor -), in engine compartment wiring harness
D148	Connection (rear right speed sensor +), in engine compartment wiring harness
D149	Connection (rear right speed sensor -), in engine compartment wiring harness

Wiring Diagram AUDI TT 1999 - Control unit for anti-lock brake system with electronic differential lock - steering angle sender - brake pressure sender

F84	Brake pressure solenoid trip switch
G85	Steering angle sender
G201	Brake pressure sender -1-
G214	Brake pressure sender -2-
J104	ABS with EDL control unit
J218	Combi-processor in dash panel insert
N247	Brake pressure solenoid valve, in brake servo
S15	Fuse in fuse box
T2ag	2-pin connector, black, near fuse box
T6p	6-pin connector, black, on brake servo
T14c	14-pin connector, connector pre-wired for ESP
T16	16-pin connector, black, shelf on driver's side (diagnosis connection)
T25a	25-pin connector, next to ABS control unit
T32	32-pin connector, blue, on dash panel insert
T47	47-pin connector, on ABS control unit
32	Earth point, behind dash panel, left
A76	Connection (diagnosis wire K), in dash panel wiring harness
A50	Positive (+) connection (30a), in dash panel wiring harness

Wiring Diagram AUDI TT 1999 - Control unit for anti-lock brake system with electronic differential lock - brake light suppression relay - brake light switch - longitudinal acceleration sender

C10	Suppression filter
F	Brake light switch
F47	Cruise control system brake pedal switch
G251	Longitudinal acceleration sender
J104	ABS with EDL control unit
J220	Motronic control unit
J508	Brake light suppression relay
M9	Brake light bulb, left
M25	High level brake light bulb
S13	Fuse in fuse box
T2ah	2-pin connector, red, near brake light switch
T10e	10-pin connector, black, in plenum chamber
T25a	25-pin connector, next to ABS control unit
T47	47-pin connector, on ABS control unit
B185	Connection -2- (54), in interior wiring harness
J9	Connection -1- (15a), in ABS wiring harness
*	Models with front-wheel drive
**	Models with four-wheel drive

Wiring Diagram AUDI TT 1999 - Control unit for anti-lock brake system with electronic differential lock - TCS/ESP button

E15	Heated rear window switch
E132	Traction control system switch
E256	TCS/ESP button
J104	ABS with EDL control unit
J218	Combi-processor in dash panel insert
T1c	Single connector, black, next to heated rear window switch
T25a	25-pin connector, next to ABS control unit
T32	32-pin connector, blue, on dash panel insert
T47	47-pin connector, on ABS control unit
32	Earth point, behind dash panel, left
249	Earth connection -2-, in interior wiring harness
A104	Connection -2- (15), in dash panel wiring harness
B145	Positive (+) connection (58s), in interior wiring harness
J3	Connection -1-, in ABS wiring harness
J5	Connection -2-, in ABS wiring harness
J7	Connection -3-, in ABS wiring harness
*	Models with front-wheel drive
**	Models with four-wheel drive

Wiring Diagram AUDI TT 1999 - Charge pressure control solenoid valve

D	Ignition/starter switch
J220	Motronic control unit
N75	Charge pressure control solenoid valve
S9	Fuse in fuse box
S234	Fuse in fuse box
T2ag	2-pin connector, black, near fuse box
T2ak	2-pin connector, black, on extension for N75
A2	Positive (+) connection (15), in dash panel wiring harness
A104	Connection -2- (15), in dash panel wiring harness
D22	Connection (via fuse 234), in front right wiring harness