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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Chime System


Chime
The chime function is a 1000Hz tone contained with in the cluster. The cluster will not generate more than one chime per condition in the same ignition cycle. If a problem occurs that requires a second chime while the first one is currently being generated, the second chime request will be ignored. The chime will sound for the following conditions:


- Seat Belt Warning -6 seconds after key on
- Key in Ignition Warning - door open with key in ignition
- Engine Temp High - when gauge enters red zone
- Engine Temp Critical - when gauge reaches the high end of the red zone
- Oil Pressure Low - below 6 psi and above 300 RPM
- Volt Gauge Low - when engine controller sets the "charge fail" DTC.
- Volt Gauge High - when engine controller sets the "voltage high" DTC.