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
If it fails: lemon-manuals.org.ua

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X37 - Check Fan Motor Operation

- Key "OFF".

- Constant Control Relay Module (CCRM) disconnected.

- Jumper Pin 3 to Pin 2 at CCRM vehicle harness connector.

- Does fan run?

Yes -- Go to X41. X41 - Check Fan Running Mode (Low)

No -- Go to X40. X40 - Measure Battery Voltage Supply at Fan -- Bypassing CCRM