A6 Quattro Sedan V6-2.7L Turbo (APB) (2000)
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30 °C corresponds to a resistance from 1500..2000 Ohms
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80 °C corresponds to a resistance from 275..375 Ohms
If value does not match the specification:
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Replace coolant temperature sensor.
If the value does match the specification:
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Connect test box VAG1598/31 to wiring harness for engine control module. Do not connect to the engine control module itself. Refer to "Scan
Tool Testing/Scan Tool Connecting and Initial Checks/Connecting VAG1598/31 Test Box" See: Testing and Inspection
Coolant temperature sensor with square connector:
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Check following wiring connections for open circuits and short circuits to B+ or Ground (GND)
Harness connector
VAG1598/31 test
Terminal
box socket
1(Signal)
93
3
108
Coolant temperature sensor with oval connector:
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Check following wiring connections for open circuits and short circuits to B+ or Ground (GND)
Harness connector
VAG1598/31 test box
Terminal
Socket
3
108
4(Signal)
93
All: