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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Sensor Check





Sensor Check




Resistance value set according to temperature of each part is inputted in FATC controller.
Internal temperature of vehicle is automatically controlled by operating the inputted values.
It is recommended to refer to resistance value and voltage value corresponding to each temperature and the following explains essential functions of each sensor required for repair and self-diagnostics and substitute functions at disconnection or short-circuit.
- If 4.9V and more is inputted in connectors B1, B3, B4, B7, B12 terminal, it is regarded as disconnection.
- If 0.1V and less is inputted in connectors B1, B3, B4, B7, B12 terminal, it is regarded as short-circuit.