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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A/C Load Signal
The A/C load circuit signals the
ECM when the A/C compressor system is under an excessive load during, for example, any high ambient conditions. If the system pressure exceeds
1,200 kPa (
174 psi), the ECM will detect this condition and increase the
idle speed by about
50 RPM in order to compensate for the excess load.