Golf GL L4-2.0L (AZG) (2001)
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Measure resistance at Intake Air Temperature (IAT) sensor -G42-, terminals 1 (signal) and 3 (Ground - GND-).
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Range A shows the resistance values for the temperature range from 0 - 50°C, and range B shows the values for the temperature range from 50 -
100°C.
Read-out examples:
30 °C is in range A and corresponds to a resistance of 1.5 to 2.0k Ohms
80 °C is in range B and corresponds to a resistance of 275 to 75 Ohms
If specified value is not obtained:
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Replace Intake Air Temperature (IAT) sensor -G42-.
If wiring is OK and the resistance values are OK:
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Replace Engine Control Module (ECM).
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Check DTC memory, repair any malfunctions and then erase DTC memory.
See: Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Clearing Diagnostic Trouble Codes
See: Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Reading Diagnostic Trouble Codes