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volkswagen Workshop Repair Guides


New Beetle L4-2.0L (AZG) (2003)

Sensors and Switches > Sensors and Switches - Powertrain Management > Sensors and Switches - Computers and Control Systems > Coolant Temperature Sensor/Switch (For Computer) > Component Information > Technical Service Bulletins > Engine Coolant Temperature (ECT) Sensor - Checking > Page 1034

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^

Select backward arrow on navigation bar.

^

Select diagnosis function "022 - End output".

^

Switch ignition OFF.

^

Proceed to "Checking Wiring".

Continuation of Check When Display Approx. 140°C (284°F)

Disconnect 4-pin connector from Engine Coolant Temperature (ECT) Sensor -G62- (arrow).

If display jumps to approx. - 40°C (- 40°F):

^

Select backward arrow  on navigation bar.

^

Select diagnosis function "022 - End output".

^

Switch ignition OFF.

^

Replace Engine Coolant Temperature (ECT) Sensor -G62-. See ElsaWeb.

^

Check DTC memory, if necessary, repair any malfunctions and then erase DTC memory.

^

Read readiness code. If DTC memory has been erased, readiness code must be generated again.

If display remains at approx. 140°C (284°F):

^

Select backward arrow on navigation bar.

^

Select diagnosis function "022 - End output".

^

Switch ignition OFF.

^

Proceed to "Checking Wiring".

Checking Wiring

Tip:

Refer to applicable Repair Manual section for instructions regarding engine or diesel control module access.

Sensors and Switches > Sensors and Switches - Powertrain Management > Sensors and Switches - Computers and Control Systems > Coolant Temperature Sensor/Switch (For Computer) > Component Information > Technical Service Bulletins > Engine Coolant Temperature (ECT) Sensor - Checking > Page 1034

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