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Home >> Volkswagen >> 1999 >> Golf Wolfsburg Edition, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Brake System - OBD (A4 Platform)) >> 01 On Board Diagnostic (OBD) >> ABS ITT Mk 20 IE On Board Diagnostic (OBD) program >> Safety precautions >> Test sequence and test tables with measured values >> Checking speed sensor allocation

Checking speed sensor allocation

WARNING: This page is about a different variant/trim than selected.

Display group number 001 

There are always 4 display zones -arrows- in the measured value block. Decoding the individual values in display zones 1 to 4 can be read from the following tables.

Read measured value block 1 →
→ 1 → 2 → 3 → 4

Indicated on display: (vehicle stationary)

Read measured value block 1 →
0 km/h 0 km/h 0 km/h 0 km/h

Press C key for the next display group number entry.

If the → key is pressed, keys 0 and 8 for work sequence "Read measured value block" must be pressed again afterwards to regain entry.

NOTE: For display group number 001 remember:

The actual wheel speeds are displayed. They serve to check the speed sensor allocation to the wheel. (The vehicle must be raised and the wheel must be rotated by hand by a 2nd mechanic).

Read measured value block 1 → Display group number: 001 
0 km/h 4 km/h 0 km/h 0 km/h ← Indicated on display: (Example)
        Wheel speed at right rear speed sensor 
  • (0 to 255 km/h)
      Wheel speed at left rear speed sensor 
  • (0 to 255 km/h)
    Wheel speed at right front speed sensor 
  • (0 to 255 km/h)
  Wheel speed at left front speed sensor 
  • (0 to 255 km/h)