Jetta GL L4-1.9L DSL Turbo (ALH) (2001)
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Disconnect 4-pin connector from ECT sensor (arrow).
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Measure resistance between sensor terminals 1 (Ground) and 3 (signal).
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Specification: correlate resistance measurement with chart
NOTE: Scale A shows resistance values for temperature range 0 to 50 °C and scale B shows the values for temperature range 50 to 100 °C.
Examples:
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30 °C corresponds to a resistance from 1500 to 2000 ohms
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80 °C corresponds to a resistance from 275 to 375 ohms
