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
(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)
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Low Coolant Indicator - Range on /Off
This data indicates what message is being sent from the
Body Function Controller (BFC) to the Instrument Cluster to control the Low Coolant indicator illumination. On, is displayed if the
Body Function Controller (BFC) is commanding the Instrument Cluster to illuminate the Low Coolant indicator. Off, is displayed if the Body Function Controller (BFC) is commanding the cluster not to illuminate the Low Coolant indicator. The Engine Coolant Level Switch, located in the coolant surge tank, is a discrete input to the Body Function Controller (BFC) which will close (become active) when the Engine Coolant level drops below the Engine Coolant Level Switch for at least
10 seconds and the Ignition Switch is in the RUN position. The Body Function Controller (BFC) sends a data message to the Instrument Cluster to turn on the Low Coolant indicator via the Serial Peripheral Interface
(SPI) data line. The indicator will be commanded off if the Engine Coolant Level Switch input goes inactive for at least
2 seconds.