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

Sensors and Switches > Sensors and Switches - Cooling System > Engine - Coolant Temperature Sensor/Switch > Coolant Temperature Sensor/Switch (For Computer) > Component Information > Testing and Inspection > With Manufacturer's Scan Tool > Page 864

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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-.

Sensors and Switches > Sensors and Switches - Cooling System > Engine - Coolant Temperature Sensor/Switch > Coolant Temperature Sensor/Switch (For Computer) > Component Information > Testing and Inspection > With Manufacturer's Scan Tool > Page 864

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