volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Sensors and Switches - Fuel Delivery and Air Induction > < With Manufacturer's Scan Tool|Page 1160
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Continuation for all vehicles

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Raise vehicle at front left.

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Switch ignition on.

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Rotate front wheel, and observe voltage indicated while doing so. Specified value: 0.0 to at least 4.0 V, fluctuating

NOTE:  The right front wheel must not turn during this, hold it steady if necessary.

If indicated voltage does not oscillate:

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Remove instrument cluster:

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Check wire connection from Engine Control Module (ECM) to Speedometer -G21- 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.  See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles
and Readiness Codes

Sensors and Switches - Fuel Delivery and Air Induction > < With Manufacturer's Scan Tool|Page 1160