Operation CHARM: Car repair manuals for everyone.

Test Point 9

Test point 9
Coolant level

- Ignition on

- Engine off

PST2 display: OK

If not:

- Check coolant level in reservoir

- Switch off ignition

- Pull off plug II on the instrument cluster

- Pull off plug on sensor for coolant level display

- Ohmmeter on instrument cluster plug II pin 5 and ground
Ohmmeter display: Infinite Ohms

- Ohmmeter on instrument cluster plug II pin 5 and plug on reservoir pin 1
Ohmmeter display: < 5 Ohms

- Ohmmeter on reservoir plug pin 2 and ground
Ohmmeter display: < 5 Ohms

- See also Drive links chapter "Coolant warning light "and "Coolant temperature"