Checking signal from brake light switch and brake pedal switch — VW

🧭 Before you start

Fits: VW Passat B5 (3B)

• Special tools named: V.A.G 1551, V.A.G 1552

🔧 Engine codes this applies to

📋 Procedure

1. Connect fault reader V.A.G 1551 (V.A.G 1552). Then switch ignition on and select engine control unit with "“Address word”" 01. (Connect fault reader and select engine control unit )
2. Press keys 0 and 8 for function "“Read measured value block”" and confirm entry with Q key.
3. Press keys 0, 6 and 6 for "“Display group number 66”" and confirm entry with Q key.
4. Observe displays in display zone 2: (1st and 2nd positions from right) Specification: x x x x x x 0 0
5. Depress brake pedal and observe display in display zone 2. Specification: x x x x x x 1 1

6. Press → button.
7. Press buttons 0 and 6 for function "“End output”" and confirm entry with Q button.
8. Switch off ignition.
9. Remove driver's storage compartment: General body repairs, interior68Dash panel; Removing driver's storage compartment.
10. Checking brake light switchF, brake pedal switch F47 and line connections according to current flow diagram: .

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