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Home >> Volkswagen >> 2004 >> GTI (1J1) L4-1.8L Turbo (AWP) >> Repair and Diagnosis >> Brakes and Traction Control >> Antilock Brakes / Traction Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> ABS Mark 60 >> VAG 1551 Scan Tool >> Basic Setting, Initiating

Basic Setting, Initiating


Basic setting, initiating

Function 04 "Initiate basic setting" performs several functions with ABS Mark 60:
- Display group number 001 is required only to bleed the hydraulic system

Note: The basic setting is only necessary to bleed the hydraulic unit if at least one chamber of the brake fluid reservoir has completely run dry.

- Display group number 0401) is required to shut off the longitudinal acceleration sensor -G251 in order to utilize the maximum engine performance for a test, e.g. on a rolling road test stand.
- Display group number 0602) is required to perform a zero compensation for steering angle sensor -G85-. Subsequently a test drive must be performed.
- Display group number 0632) is required to perform a zero compensation for sensor for transverse acceleration -G200-. Subsequently a test drive must be performed.
- Display group number 0662) is required to perform a zero compensation for Sender 1 for brake booster -G201-. Subsequently a test drive must be performed.
- Display group number 0691) is required to perform a zero compensation of longitudinal acceleration sensor-G251-.
- Display group number 0632) is required to perform a driving test. It serves to check the plausibility of the signals from the steering angle sensor -G85-, Sensor for transverse acceleration -G200- Sender for Rotation Rate -G202- and sender 1 for brake booster -G201-.
When the ABS control module (w/EDL) -J104- is replaced, a zero compensation must be performed for the following components:
- Sensor for transverse acceleration -G200-.
- Steering angle sensor-G85-.
- Sender 1 for brake booster -G201-.
- Longitudinal acceleration sensor-G251-.
When the individual sensors or sensors are changed, a zero compensation must only be carried out for the changed component.
1) For 4MOTION vehicles only
2) For ABS/EDL/ASR/ESP and ABS/EDL/ASR/ESP EMOTION only

Display group number 01: Bleeding hydraulic unit

Special tools and equipment





- VAS 5234 Brake filler and bleeder unit

Note: All functions which could previously be performed with V.A.G. 1551 can now also be carried out with the tester VAS 5051.

- Connect brake filling and bleeder unit VAS 5234.
- Pre-bleed brake system
- Connect VAG 1551 scan tool and select (address word 03) brake electronics control module with ignition switched on.





Indicated on display
- Press keys O and 4 (The function "Initiating basic setting" is selected with 04).





Indicated on display:
- Confirm entry with key Q





Indicated on display:
- Press keys 0, 0 and 1
- Confirm entry with key Q
The following cycle of steps must be repeated 8 times according to the basic setting prescribed by V.A.G 1551 or tester VAS 5051.





Indicated on display:
- Operate pedal with substantial foot pressure and hold.
- Pedal moves down
- Hydraulic pump runs
- Pedal comes back








Indicated on display:
- Press key 3 on VAG 1551 or arrow up key on VAS 5051





Indicated on display:
Hydraulic pump runs





Indicated on display:
- Press key 3 on VAG 1551 or arrow up key on VAS 5051
When all 8 cycles have been performed, this message appears on the display:
- Press (arrow) key.





Indicated on display:
- Press keys -0- and -6-, this ends the output.





Indicated on display
- Confirm entry with Q key





Indicated on display
- Press C key
- Switch off ignition.
- Disconnect connection to V.A.G 1551 scan tool.
- Bleed brake system again
- For vehicles with ABS/EDL/ASR/ESP: perform zero compensation for Sender 1 for brake booster -G201-.

Display group number 40: switching off longitudinal acceleration sensor -G251
- All functions which could previously be performed with V.A.G 1551 can now also be carried out with the tester VAS 5051.
- Display group 040 is necessary for shutting off longitudinal acceleration sensor -G251- in order to utilize the maximum engine performance for a test, e.g. on a rolling road test bed. In addition, the all wheel drive is shut off and the vehicle behaves like a front wheel drive vehicle.
- Switch ignition off and on again to reactivate the longitudinal acceleration sensor-G251-.
- Connect V.A.G 1551 scan tool and select (address word 03) brake electronics control module with ignition switched on.





Indicated on display:
- Press keys 0 and 4 (The function "Initiating basic setting" is selected with 04).





Indicated on display:
- Confirm entry with key Q





Indicated on display:
- Press keys 0, 4 and 0
- Confirm entry with key Q
ABS warning light flashes.





Indicated on display:
- The longitudinal acceleration sensor -G251- is now switched off.
- After completing the checks, reactivate the longitudinal acceleration sensor -G251- by switching the ignition off and on again, once.

Display group number 60: zero compensation of steering angle sensor -G85

Note: All functions which could previously be performed with V.A.G. 1551 can now also be carried out with the tester VAS 5051.

- Connect V.A.G 1551 scan tool and select (address word 03) brake electronics control module with ignition switched on.
- Start engine.
- Carry out a short test drive over a flat and level surface. Drive straight-ahead and not faster than 20 km/h (12.5 mph) and observe the following points:
- If the steering wheel is not in the centered position when driving straight ahead, the steering must be corrected within the framework of an alignment check.
- If the steering wheel is in the straight ahead position during the test drive, stop the vehicle while still driving straight ahead.
- Check specifications with help of function 08 "Read measured value block"; Display group number 004.
Make sure steering wheel does not moved. Do not turn ignition switch off!
- First perform function 11 "Login procedure" successfully using V A.G 1551 scan tool





Indicated on display:
- Press keys 0 and 4 (The function "Initiating basic setting" is selected with 04).





Indicated on display:
- Confirm entry with key Q





Indicated on display:
- Press keys 0, 6 and O
- Confirm entry with key Q.
ABS warning light flashes.





And then the display shows e.g.:





If this display appears the login procedure has not been performed successfully.
- or:





If this appears in the display, the measured values for the zero compensation are not within the allowed tolerance.
- Check specifications with help of function 08 "Read measured value block"
0. Display group number 004.
1. Check DTC memory (Function 02)
2. Erase DTC memory (Function 05)
3. End output (Function 06)
4. Switch off ignition.
5. Switch on ignition.
6. Perform zero compensation again.
- Press (arrow) key.





Indicated on display:
- Press keys O and 6, this ends the output.





Indicated on display
ABS and ESP warning lights light up for approximately 2 seconds.

Display group number 63: zero compensation of Sensor for transverse acceleration -G200

Note: All functions which could previously be performed with V.A.G. 1551 can now also be carried out with the tester VAS 5051.

- Position vehicle on a flat level surface.
- Connect VAG 1551 scan tool and select (address word 03) brake electronics control module with ignition switched on.
- Check specifications with help of function 08 "Read measured value block"; Display group number 004.
- First perform function 11 "Login procedure" successfully using V A.G 1551 scan tool





Indicated on display:
- Press keys 0 and 4 (The function "Initiating basic setting" is selected with 04).





Indicated on display:
- Confirm entry with key Q.





Indicated on display:
- Press keys 0, 6 and 3
- Confirm entry with key Q.
ABS warning light flashes.





And then the display shows e.g.:





If this display appears the login procedure has not been performed successfully.
- or:





If this appears in the display, the measured values for the zero compensation are not within the allowed tolerance.
- Check specifications with help of function 08 "Read measured value block"; Display group number 004.
1. Check DTC memory (Function 02)
2. Erase DTC memory (Function 05)
3. End output (Function 06)
4. Switch off ignition.
5. Switch on ignition.
6. Perform zero compensation again.
- Press (arrow) key.





Indicated on display:
- Press keys 0 and 6, this ends the output.





Indicated on display
ABS and ESP warning lights light up for approximately 2 seconds.

Display group number 66: zero compensation for Sender 1 for brake booster -G201

Note: All functions which could previously be performed with V.A.G. 1551 can now also be carried out with the tester VAS 5051.

- Brake pedal not depressed.
- Connect VAG 1551 scan tool and select (address word 03) brake electronics control module with ignition switched on.
- Check measured values with help of function 08 "Read measured value block"; Display group number 005.
- First perform function 11 "Login procedure" successfully using V.A.G 1551 scan tool





Indicated on display:
- Press keys 0 and 4 (The function "Initiating basic setting" is selected with 04).





Indicated on display:
- Confirm entry with key Q.





Indicated on display:
- Press keys 0, 6 and 6
- Confirm entry with key Q.
ABS warning light flashes.





And then the display shows e.g.:





If this display appears the login procedure has not been performed successfully.
- or:





If this appears in the display the measured values for the zero compensation are not within the allowed tolerances.
- Check measured values with help of function 08 "Read measured value block"; Display group number 005.
1. Check DTC memory (Function 02)
2. Erase DTC memory (Function 05)
3. End output (Function 06)
4. Switch off ignition.
5. Switch on ignition.
6. Perform zero compensation again.
- Press (arrow) key.





Indicated on display:
- Press keys 0 and 6, this ends the output.





Indicated on display
ABS and ESP warning lights light up for approximately 2 seconds.

Display group number 69: zero compensation of longitudinal acceleration sensor-G251

Note: All functions which could previously be performed with V.A.G. 1551 can now also be carried out with the tester VAS 5051.

- Position vehicle on a flat level surface.
- Connect VAG 1551 scan tool and select (address word 03) brake electronics control module with ignition switched on.
- Check measured values with help of function 08 "Read measured value block; Display group number 006.
- First perform function 11 "Login procedure" successfully using V.A.G 1551 scan tool





Indicated on display:
- Press keys 0 and 4 (The function "Initiating basic setting" is selected with 04).





Indicated on display:
- Confirm entry with key Q.





Indicated on display:
- Press keys 0, 6 and 9
- Confirm entry with key Q.
ABS warning light flashes.





Indicated on display:

Note: After successfully completing the zero compensation the values in display do not go to 0.00 m/s2





If this display appears the login procedure has not been performed successfully.
- or:





If this appears on display, the measured values are not within the accepted tolerance for zero compensation.
- Check measured values with help of function 08 "Read measured value block"; Display group number 006.
1. Check DTC memory (Function 02)
2. Erase DTC memory (Function 05)
3. End output (Function 06)
4. Switch off ignition.
5. Switch on ignition.
6. Perform zero compensation again.
- Press (arrow) key.





Indicated on display:
- Press keys 0 and 6, this ends the output.





Indicated on display
ABS and ESP warning lights light up for approximately 2 seconds.

Display group number 93: activation of ESP driving test
The ESP driving test is used to check the plausibility of the signals from sensor for transverse acceleration -G200-, sender for rotation rate -G202- and sender 1 for brake booster -G201 -
The ESP driving test should be performed each time parts of the ESP system are removed or replaced.
- Connect VAG 1551 scan tool and select (address word 03) brake electronics control module (address word 03) with ignition switched on.





Indicated on display:
- Press keys 0 and 4 (The function "Initiating basic setting" is selected with 04).





Indicated on display:
- Confirm entry with key Q





Indicated on display:
- Press keys 0, 9 and 3
- Confirm entry with key Q.





Indicated on display:
The ESP driving test is activated.
ABS warning light -K47- lights up.
- Press (arrow) key.





Indicated on display:
- Disconnect diagnostic connector.
- Start engine.
- Depress brake pedal firmly (brake pressure of more than 35 bar) until the ESP Control Lamp -K155- flashes.
This completes the stationary comparison test.
- Now perform test drive for maximum 50 seconds at a speed of 15km/h...30km/h:
- It must be driven so that no ABS, EDL, ASR or ESP regulation is performed.
- Make a turn with steering wheel turned at least 90°.
- When the ABS warning lamp -K47- and ESP warning lamp -K155- go out, the ESP driving test has been successfully completed.

WARNING: Always comply with road traffic regulations and drive according to the traffic conditions.

Note:
- If the ABS warning light -K47- does not go out, then the ESP driving test has not been performed correctly.
- If the ABS warning light -K47- does not go out and the ESP control lamp -K155- lights up again, check DTC memory.
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