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