Jetta Sedan L5-2.5L (BGP) (2005)
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Disconnect 2-pin connector from Engine Coolant Temperature (ECT) Sensor G62 - arrow -
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Bridge terminals 1 + 2 of connector using respective adapter cables and observe indication on display.
If indication jumps to approx 140.0 degrees C.
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End diagnosis and switch ignition off.
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Replace Engine Coolant Temperature (ECT) Sensor G62
CAUTION:
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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 for Motronic engine control module J220. See: Testing and Inspection/Scan Tool Testing and Procedures/With Generic Scan
Tool/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/Readiness Code, Generating
If indication remains at approx -40.0 degrees C.
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End diagnosis and switch ignition off.
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Check wiring according to wiring diagram.
Continuation of test if indication is approx. 140.0 ° C:
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Disconnect 2-pin connector from Engine Coolant Temperature (ECT) Sensor G62 - arrow -.