Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Coolant Level Indicator Module: Description and Operation







NOTE: Numbers in parentheses ( ) indicate a component or tool in the associated illustration.

Function Of Coolant Level Indicator
- The coolant level indicator monitors the coolant level in the expansion tank or radiator, respectively, when the engine is running.





- If the coolant is at the correct level, the contact (arrow) in the coolant level sensor (S41) is open.





- When the coolant level drops, the float (51) moves down. When the ring magnet (54) is positioned above the contact (arrow in the coolant level sensor, the contact closes.
- Vehicle ground now exists at the microprocessor and the indicator fight (Ale11) comes on.





- The indicator light (Ale11) also Comes on when the key is in position 2 as a check function.