Passat Sedan 4Motion W8-4.0L (BDP) (2002)
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Measure resistance at Engine Coolant Temperature (ECT) Sensor -G62-.
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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 is in range A and corresponds to a resistance of 1.5 to 2.0 k Ohms
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80 degrees C is in range B and corresponds to a resistance of 275 to 375 Ohms
If specified value is not obtained:
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Remove intake air hose between Mass Air Flow (MAF) sensor and throttle valve control module, item 1 .
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Replace Engine Coolant Temperature (ECT) Sensor -G62-.
WARNING:
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Cooling system is under pressure.
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Danger of scalding when opening!
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Erase DTC memory of Engine Control Module (ECM), Diagnostic mode 4: Reset/erase diagnostic data.
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Generate readiness code. See: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
If no malfunctions are detected in the wires and the resistance values are OK:
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Replace Motronic Engine Control Module (ECM) -J220-.