volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Coolant Temperature Sensor/Switch (For Computer)|Locations|Page 1235 > < Coolant Temperature Sensor/Switch (For Computer)|Locations|Page 1233
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Continuation:

If the specification not obtained:

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Press -> key.

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Press buttons -0- and -6- to select "End output" and confirm entry with -Q- button.

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Switch ignition off.

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Remove insulation tray.

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Check vacuum line from intake manifold to cooling system vacuum valve.

Wiring, checking

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Connect VAG 1598/18 Test Box to ECM wiring harness.

Coolant Temperature Sensor/Switch (For Computer)|Locations|Page 1235 > < Coolant Temperature Sensor/Switch (For Computer)|Locations|Page 1233