New Beetle L4-2.0L (AZG) (2003)
If the specification is obtained:
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Start engine and run at idling speed. Temperature value must increase uniformly
NOTE:
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The temperature rises in steps of 1.0 °C.
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If irregular engine running occurs in certain temperature ranges and the temperature figure does not increase without interruption, the temperature
signal is temporarily interrupted and the sensor must be replaced.
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Only gold-plated terminals must be used to repair the terminals in the connector for the coolant temperature sensor.
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Press -> button.
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Press buttons 0 and 6 for the "End output" function and confirm input with Q button.
Continuation of check when display approx. -40 °C:
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Disconnect 4 pin connector off Engine Coolant Temperature (ECT) sensor (G62) with coolant temperature gauge sensor (G2) - arrow-.