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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Cooling System: Testing and Inspection

1. Radiator fan does not operate.
a. Disconnect the radiator fan assembly connector, and earth the "1" terminal to run the fan.
- Check of thermo switch.
b. Even if "1" terminal is earthed, the fan does not run.
- Check radiator fan motor relay.
- Check radiator fan motor.
2. Neither radiator fan nor condenser fan operates.
- Check fusible link No. 4.
- Check to see if auto compressor control unit outputs a signal.
3. Only the radiator fan does not operate at all.
- Check radiator fan motor control relay.
4. Condenser fan only does not operate at all.
- Check dedicated fuse No. 7.
- Check condenser fan motor.
- Check condenser fan motor relay.