Testing the wheel impulses: VW Passat B5

🧭 Before you start

Fits: VW Passat B5 (3B)

📋 Procedure

1. Select menu item "“WHEEL SENSOR”" using the cursor buttons.
2. Confirm the selection by pressing the ENTER button.
3. Continue by pressing the ENTER button.
4. Confirm "“OK”" by pressing the ENTER button.
5. Start the engine and drive straight ahead. When doing this, compare the display for the left (L) and right (R) wheel sensors. [Note: The acceptable difference between left (L) and right (R) wheel speeds must not be more than 5 km/h (3.1 mph).If the difference is greater than 5 km/h, check the output signals of the ABS control unit Running gear, Self-diagnosis for ABS, Repair group 01, Self-diagnosis, Electrical checkThe wheel impulse test must be repeated .]

6. Stop the vehicle.
7. If the values are within the acceptable limits, confirm "“OK”" by pressing the ENTER button.
8. Engage the reverse gear and confirm "“OK”" by pressing the ENTER button.
9. Drive the vehicle a few centimetres in reverse and stop.
10. Confirm "“OK”" by pressing the ENTER button.
11. Check the signal from the reversing light switch referring to the current flow diagram and repeat the wheel pulse test .

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