Jetta L4-1.9L DSL Turbo (BEW) (2004)
Fuel Temperature Sensor: Testing and Inspection
Fuel Temperature Sensor, Checking
NOTE: Use only gold-plated terminals when servicing terminals in harness connector to injection pump quantity adjuster.
Recommended special tools and equipment
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VAG1526 multimeter or VAG1715 multimeter
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VAG1594 connector test kit
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Wiring diagram
Test requirement
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The respective fuses of Diesel-Direct fuel injection system must be OK:
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Battery voltage must be at least 11.5 Volts.
Test sequence
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Disconnect 10-pin harness connector (arrow) for fuel temperature sensor (harness connector to injection pump quantity adjuster).
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Measure resistance of sensor at connector terminals 4 + 7.