TT Quattro Coupe L4-1.8L Turbo (AWP) (2001)
Display Group 004
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Press the <- button to exit from the function "08 - Read data block".
If display zone 3 shows an implausible value:
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Unplug connector on engine coolant temperature sensor.
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Connect multimeter (resistance test range) between contacts C and D on the sender.
Scale A shows resistance values for temperature range 0 to 50 C and scale B the values for temperature range 50 to 100 C.
Examples:
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30 degree C corresponds to a resistance from 1500 to 2000 ohms
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80 degree C corresponds to a resistance from 275 to 375 ohms
If the specification is not attained:
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Fit a new engine coolant temperature sensor.
If the specification is obtained:
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Connect test box VAG 1598/31 to wiring harness for engine control module. Do not connect to the engine control module itself. See: Testing and
Inspection/Scan Tool Testing and Procedures/Scan Tool Testing/With Manufacturer's Scan Tool/Scan Tool Connecting and Initial Checks/Wiring
and Component Testing Using VAG1598/31 Test Box