A4 Quattro Wagon L4-1.8L Turbo (AWM) (2001)
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Read-out examples:
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30 °C corresponds to a resistance of 1500 to 2000 ohms W
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80 °C corresponds to a resistance of 275 to 375 ohms
If specified value is not obtained:
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Replace coolant temperature sensor.
If specified value is obtained:
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Connect VAG1598/31 test box at wiring harness to Engine Control Module (ECM), do not connect ECM. Refer to "Scan Tool Testing/Wire and
Component Testing Using VAG1598/31 Test Box" See: Powertrain Management/Computers and Control Systems/Testing and Inspection
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Check the following wire connections for open circuit and short circuit to Ground (GND) and B+:
