Passat Sedan 4Motion W8-4.0L (BDP) (2002)
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Measure resistance at Engine Coolant Temperature (ECT) Sensor (on Radiator) -G83-.
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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:
30 degrees C is in range A and corresponds to a resistance of 1.5 to 2.0 k Ohms
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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Replace Engine Coolant Temperature (ECT) Sensor (on Radiator) -G83-.
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 specified value is obtained:
Checking wiring
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Connect test box to control module wiring harness, connect test box for wiring test. See: Testing and Inspection/Reading and Clearing Diagnostic
Trouble Codes/Scan Tool Connecting/With Generic Scan Tool/Test Box, Connecting For Wiring Test
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Check wires between test box and 2-pin connector for open circuit according to wiring diagram.