Corrado L4-1781cc 1.8L SOHC SC (1991)
Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection
California
Coolant temperature sensor, checking
Requirement
-
engine cold
- connect VAG 1551 Diagnostic tester
- start engine and let idle
- select Function "Read measuring value block"
or
- while observing VAG 1551 display, select the following functions in sequence
1
- Rapid data transfer
01 - Engine electronics
08 - Read measuring value block
- press keys 0 and 1 to select "Display group number 01"
-
display will appear as shown
- press 0 key to acknowledge input
-
channels will be displayed as shown
- observe display value in channel 3
Test A
