Jetta Sedan L5-2.5L (CBTA) (2009)
‹› Range A, 30 °C equals a resistance of 1.5 to 2.0 kohms
‹› Range B, 80 °C equals a resistance of 275 to 375ohms
If any of the specified values was not obtained:
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Replace the Engine Coolant Temperature (ECT) Sensor (G62)
°Testing if display is approx. - 40.0 C
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Disconnect the Engine Coolant Temperature (ECT) Sensor (G62) electrical harness connector.
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Using a jumper wire, connect the Engine Coolant Temperature (ECT) Sensor (G62) electrical harness connector terminals 1 to 2.
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Check the value indicated on the scan tool display.
If the value jumps to approx. 140.0 °C
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Switch the ignition off.
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Replace the Engine Coolant Temperature (ECT) Sensor (G62)
If indication remains at approx. -40.0 °C:
Checking wiring
If the manufacturers test box is being used, perform the following step.
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Install the test box.