New Beetle L4-2.0L (AZG) (2003)
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The temperature rises in steps of 1.0°C.
Temperature may drop slightly as thermostat opens. This is normal.
If irregular engine running occurs in certain temperature ranges or the temperature figure changes erratically, the temperature signal is temporarily
interrupted and the sensor must be replaced.
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Select backward arrow on navigation bar.
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Select diagnosis function "022 - End output".
Tip:
If temperature display rises uniformly and all specifications are normal. Proceed to "-G62- Resistance Measurement" (see below).
Continuation of Check When Display Approx. - 40°C (- 40°F)
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Disconnect 4-pin connector from Engine Coolant Temperature (ECT) Sensor -G62- (arrow).
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Connect VAS 5258 to 4 pin -G62- connector from vehicle engine harness. ECT sensor remains disconnected.
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Bridge VAS 5258 test probes 3 + 4 using auxiliary cables from VAG 1594C and observe display.
If display jumps to approx. 140°C (284°F):
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Select backward arrow on navigation bar.
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Select diagnosis function "022 - End output".
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Switch ignition OFF.
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Replace Engine Coolant Temperature (ECT) sensor -G62-. See ElsaWeb.
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Check DTC memory, if necessary, repair any malfunctions and then erase DTC memory.
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Read readiness code. If DTC memory has been erased, readiness code must be generated again.
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If display remains at approx. - 40°C (- 40°F):
