volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Electrical and Electronic Components Locations With CAN Bus|Page 541 > < Electrical and Electronic Components Locations With CAN Bus|Page 539
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Disconnect 4-pin connector from Engine Coolant Temperature (ECT) sensor -G62- with Engine Coolant Temperature (ECT) sensor -G2- (arrow)

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Check wires between test box and 4-pin connector for open circuits according to wiring diagram.

Terminal 3 + socket 93
Terminal 4 + socket 108

Wire resistance: max: 1.5 Ohms

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Use wiring diagram to check wire between test box and 4-pin connector terminal 3 for short circuit to wire of terminal 4 and to vehicle Ground
(GND).

Terminal 4 + socket 93
Terminal 3 + vehicle Ground (GND)

Specification: Infinity Ohms

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Also check both wires for short circuit to B+. Specification: Infinity Ohms

If no malfunctions are found in wire:

Electrical and Electronic Components Locations With CAN Bus|Page 541 > < Electrical and Electronic Components Locations With CAN Bus|Page 539