Volkswagen Passat 1995 Official Factory Repair Manual page 1534

Diagnostic mode, selecting
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Procedure
- Connect diagnostic tester
- Start engine and let run at idle.
- Under address word 33, select "Diagnostic
mode 4: Reset/erase diagnostic data.
Erased or reset:
Number and content of the DTC memories,
Operating conditions,
Adaptation values,
Test results.
- End diagnosis and switch ignition off.
- Generate readiness code
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Page ST-8 .
Page ST-52 .
6/12/2004