Checking Lambda probe heating after catalytic converter — VW

🧭 Before you start

Fits: VW Sharan I / SEAT Alhambra (7M)

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• If the fault memory has been cleared or the engine control unit was separated from the continuous positive supply, the readiness code must be regenerated 01Generating readiness code.

🔧 Engine codes this applies to

📋 Procedure

1. Change to display group 220 as follows:
2. Press the C button.
3. Press keys 2, 2 and 0 for "„Display group number 220“" and confirm entry with Q key.
4. Depress brake pedal and hold.
5. Depress accelerator to full throttle position. Engine revolutions are raised by engine control unit to approx. 2300 rpm.

6. Allow engine to run at idle speed until specification: x x x x x 1 0 0 is displayed in display zone 4.
7. Press → button.
8. Read fault memory 01Reading and erasing engine control unit fault memory.
9. Read readiness code 01Reading readiness code.
10. If the fault memory has been cleared or the engine control unit was separated from the continuous positive supply, the readiness code must be regenerated 01Generating readiness code.
11. Check Lambda probe after catalytic converter .

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