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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Radiator Fan Circuit Troubleshooting - Open




Radiator Fan Circuit Troubleshooting - Open

1. Test the radiator fan motor Testing and Inspection.

Is the radiator fan motor OK?

YES -

Go to step 2.

NO -

Replace the radiator fan motor.

2. Disconnect the RFC unit 3P connector.

3. Check for continuity between RFC unit 3P connector terminal No. 2 and body ground.





Is there continuity?

YES -

Replace the RFC unit Service and Repair.

NO -

Check for an open in the wire between RFC unit 3P connector terminal No. 2 and body ground. If the wire is OK, check for a poor ground at G301.