volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Coolant Temperature Sensor/Switch (For Computer) > < With Manufacturer's Scan Tool|Page 3078
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Continuation for all vehicles

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Also check wires for short circuit to each other, to vehicle Ground (GND) and to B+.
Specified value: infinite Ohm

If no malfunctions are detected in the wires and the resistance values are OK:

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Replace Motronic Engine Control Module (ECM) -J220-.

Coolant Temperature Sensor/Switch (For Computer) > < With Manufacturer's Scan Tool|Page 3078