X35 - No Engine Cooling Fan: Check Power Supply to CCRM
- Key "OFF".
- Disconnect Constant Control Relay Module (CCRM).
- Connect negative probe of Digital Volt/Ohm Meter (DVOM) to battery negative post.
- Check for voltage on Pins 3 and 4 at the CCRM vehicle harness connector.
- Check for voltage on Pins 8 and 10 at the CCRM vehicle harness connector.
- Is each voltage greater than 10.0 volts?
Yes -- Go to X36. X36 - Check Fan Motor Operation
No -- Service open in battery power circuit. If B+ was open to only two pins (3/4 or 8/10), Service open and go to X141. X141 - Verify Operation of Both HFC Relays In CCRM
Reconnect CCRM. Re-evaluate symptom.