volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Electrical and Electronic Components Locations With CAN Bus|Page 1830 > < Electrical and Electronic Components Locations With CAN Bus|Page 1828
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Disconnect 2-pin Engine Coolant Temperature sensor -G62-.

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Check wiring for open circuit between Test Box and 2-pin connector using wiring diagram, connect as follows:
terminal 1 + socket 14 
terminal 2 + socket 33

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wire resistance: 1.5 Ohms maximum

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Using wiring diagram, check for short between control module connector and 2-pin connector terminal 2 and wire terminal 1 and GND
terminal 2 + socket 14 
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specification: infinity Ohms

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Additionally check both wires for short to battery positive.
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specification: infinity Ohms

If wiring OK:

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Measure resistance at Engine Coolant Temperature sensor -G62- terminals 1 + 2.

If specification not obtained:

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Replace Engine Coolant Temperature sensor -G62-.

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Read-out Readiness code Refer to Monitors, Trip and/or Drive Cycle (Readiness Codes)/Readiness Code Checking. See: Powertrain
Management/Computers and Control Systems/Testing and Inspection 

If DTC memory has been erased:

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Create Readiness code Refer to Monitors, Trip and/or Drive Cycle (Readiness Codes)/Readiness Code Generating See: Powertrain
Management/Computers and Control Systems/Testing and Inspection 

Electrical and Electronic Components Locations With CAN Bus|Page 1830 > < Electrical and Electronic Components Locations With CAN Bus|Page 1828