2001 Audi TT
2000-04 STARTING & CHARGING SYSTEMS Starters - TT & TT Quattro
2000-04 STARTING & CHARGING SYSTEMS
Starters - TT & TT Quattro
TROUBLE SHOOTING
NOTE: See TROUBLE SHOOTING article in GENERAL INFORMATION.
PRELIMINARY INSPECTION
Verify customer complaint by operating system. Visually inspect for obvious signs of mechanical and electrical
damage. Inspect for blown fuses and damaged relays. Inspect for loose or corroded connections, damaged
wiring harnesses and/or switches. Check for a broken or partially broken wire inside insulation, which could
cause system malfunction but prove good in a continuity/voltage check with system disconnected. Ensure any
aftermarket electronic equipment is properly installed. If fault is found, repair as necessary.
REMOVAL & INSTALLATION
WARNING: Vehicles are equipped with air bag supplemental restraint system. Before
attempting any repairs involving steering column, instrument panel or
related components, see SERVICE PRECAUTIONS (or AIR BAG SAFETY
PRECAUTIONS) and DISABLING & ACTIVATING AIR BAG SYSTEM in
appropriate AIR BAG RESTRAINT SYSTEMS article.
BATTERY DISCONNECT PRECAUTIONS
Air Bag
WARNING: NO ONE must be in vehicle when battery is connected. This is a safety
precaution in case an air bag module activates when power is connected.
ECM
If connector is disconnected from ECM or battery is disconnected, all adaptation values in control module are
erased. To achieve optimal anti-theft protection for vehicle, an anti-theft immobilizer was installed. Anti-theft
immobilizer is a system for enabling/locking Engine Control Module (ECM) through the W-wire.
This system cannot be circumvented, it is necessary to perform adaptation of anti-theft immobilizer using VAS
5052 in On Board Diagnostic function. The great availability of equipment options makes adaptation of ECM
necessary (e.g. cruise control system). This "writing" function is not possible with a generic scan tool, therefore
it is necessary to use VAS 5052 in On Board Diagnostic function for this purpose. DTC memory content will
remain intact however. If engine is started after this, a rough, uneven idle can result. In this case, ECM
readiness code must be regenerated.
ECM Readiness Code
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2001 Audi TT
2000-04 STARTING & CHARGING SYSTEMS Starters - TT & TT Quattro
While limited diagnostic information is available, vehicle manufacturer does not support diagnostic information
using aftermarket scan tools. To properly diagnose vehicle, it is recommended to use VAS 5051 scan tool with
VAS 5051/1 adapter cable or VAG 1551 scan tool with 1551/3A adapter cable and VAG 1598/31 test box.
Readiness code must be generated when Engine Control Module (ECM) memory is cleared, battery voltage is
disconnected or ECM is disconnected. To generate readiness code, vehicle must be stationary, transmission in
Park or Neutral, all electrical consumers off, A/C switched off and coolant temperature at least 176°F (80°C). If
possible, it is best to warm-up vehicle by test driving. Connect scan tool to DLC. DLC is located behind cover
under left side of steering column.
Power Windows
After connecting battery, completely open and close all power windows.
Radio & Clock
CAUTION: Turn ignition to OFF position. BEFORE disconnecting negative battery
cable, obtain anti-theft radio security code. Disconnect negative battery
cable. After reconnecting battery, re-code and check operation of anti-theft
radio.
Vehicles are equipped with an anti-theft stereo system that requires a code to activate. Record stereo code
BEFORE disconnecting negative battery cable. Disconnect negative battery cable. Turn ignition to ON position.
Reconnect negative battery cable. Enter code into stereo and reset clock.
STARTER
Removal & Installation (1.8L Turbo)
1. Obtain radio anti-theft code. Loosen air filter housing mounting bolts. This will aid in removing battery.
Remove plastic cover, located above battery. If equipped, remove protective battery case, by separating
Velcro(R) tabs. Press locking tabs of main fuse box, and open cover.
2. Disconnect negative battery cable (1). See BATTERY DISCONNECT PRECAUTIONS . Remove
positive terminal nut (2), and disconnect main fuse box. See Fig. 1 . Loosen battery positive terminal nut
(3), and disconnect positive cable. Remove bolt for battery hold-down. Remove battery, by gently pulling
battery from mounting, and lift out of vehicle. Remove battery mounting platform.
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2001 Audi TT
2000-04 STARTING & CHARGING SYSTEMS Starters - TT & TT Quattro
Fig. 1: Removing Battery
Courtesy of AUDI OF AMERICA, INC.
3. On Coupe models, Remove 4 bolts securing air cleaner housing. See Fig. 2 . On Roadster models,
remove bolts (3) and nut (2). See Fig. 3 . Remove bolts securing support to long-member. See Fig. 4 .
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2001 Audi TT
2000-04 STARTING & CHARGING SYSTEMS Starters - TT & TT Quattro
Fig. 2: Removing Air Cleaner Housing (Coupe)
Courtesy of AUDI OF AMERICA, INC.
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2001 Audi TT
2000-04 STARTING & CHARGING SYSTEMS Starters - TT & TT Quattro
Fig. 3: Removing Battery Mounting (Roadster)
Courtesy of AUDI OF AMERICA, INC.
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2001 Audi TT
2000-04 STARTING & CHARGING SYSTEMS Starters - TT & TT Quattro
Fig. 4: Removing Support (Roadster)
Courtesy of AUDI OF AMERICA, INC.
4. On all models, open starter wiring harness retainer, and remove harness from retainer. Disconnect
electrical connections for starter. Gently slide wiring harness retainer from metal bracket. See Fig. 5 .
Remove nut securing metal bracket to starter mounting stud.
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2001 Audi TT
2000-04 STARTING & CHARGING SYSTEMS Starters - TT & TT Quattro
Fig. 5: Removing Wiring Harness Retainer
Courtesy of AUDI OF AMERICA, INC.
5. Remove bolts securing starter to transmission. See Fig. 6 . Remove starter. To install, reverse removal
procedure. Tighten all bolts/nuts to specification. See TORQUE SPECIFICATIONS .
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2001 Audi TT
2000-04 STARTING & CHARGING SYSTEMS Starters - TT & TT Quattro
Fig. 6: Removing Starter
Courtesy of AUDI OF AMERICA, INC.
OVERHAUL
NOTE: Information not available from manufacturer.
TORQUE SPECIFICATIONS
TORQUE SPECIFICATIONS
Application Ft. Lbs. (N.m)
Starter Mounting Bolts 48 (65)
Starter Solenoid Terminal Nut 12 (16)
INCH Lbs. (N.m)
Battery Negative Terminal Nut 53 (6)
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2001 Audi TT
2000-04 STARTING & CHARGING SYSTEMS Starters - TT & TT Quattro
WIRING DIAGRAMS
See appropriate STARING/CHARGING wiring diagram in SYSTEM WIRING DIAGRAMS article.
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