volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Sensors and Switches - Fuel Delivery and Air Induction > < Vehicle Speed Sensor|Testing and Inspection
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‹› Vehicle speed must not drop to below 5 km/h during test.

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End road test and switch ignition off.

If no speed is indicated:

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Check wires according to wiring diagram.

Checking wiring

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Connect test box to control module wiring harness , connect test  box for wiring test.

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Remove instrument cluster: 

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Check wire connection from Engine Control Module (ECM) to Control  module with indicator unit in instrument panel insert (J285) according to
wiring diagram. 

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Erase DTC memory of Engine Control Module (ECM) , Diagnostic mode  4: Reset/erase diagnostic data.

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Generate readiness code.

Sensors and Switches - Fuel Delivery and Air Induction > < Vehicle Speed Sensor|Testing and Inspection