Jetta Sedan L4-1.9L DSL Turbo (BEW) (2005)
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Measure resistance between terminals 3 + 4 on sensor.
Vehicles with 154-pin control module
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Disconnect connector at coolant temperature sensor.
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Measure resistance between terminals 3 + 4 on sensor.
Continue for all vehicles
See diagram for specified value
Range A displays resistance values for the temperature range of 0 to 50 degrees C, range B displays resistance values for the temperature range of 50 to
100 degrees C.
Read-out examples:
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30 degrees C corresponds to a resistance of 1500 to 2000 Ohms
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80 degrees C corresponds to a resistance of 275 to 375 Ohms
If specified value is not obtained:
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Replace Engine Coolant Temperature (ECT) Sensor -G62- with Engine Coolant Temperature (ECT) Sensor -G2-
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Erase DTC memory of control module for Diesel-Direct fuel injection system, Diagnostic mode 4: Reset/erase diagnostic data. See: Testing and
Inspection/Scan Tool Testing and Procedures/With Generic Scan Tool/Diagnostic Mode 4: Reset/Erase Diagnostic Data