Passat Sedan L4-1781cc 1.8L Turbo (AEB) (1999)
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Check both wires for short to Battery +.
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Specification: Infinity Ohms
If wiring OK
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Perform resistance measurement at Engine Coolant Temperature sensor G62 terminal 1 (signal) and 3 (Ground).
Scale A shows resistance values for temperature range 0 to 50 °C and scale B the values for temperature range 50 to 100 °C.
Examples:
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30 °C is in range A and corresponds to 1.5 to 2.0 k Ohms
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80 °C is in range B and corresponds to 275 to 375 Ohms
If specification not obtained
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Replace Engine Coolant Temperature sensor G62.
If wiring OK and resistance measurement values OK
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Replace Engine Control Module.
NOTE: If DTC memory has been erased or the Engine Control Module was disconnected from its Voltage supply, the Readiness Code must be created
again , See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes