X46 - Check B+ to Pusher Fan Control Relay
- Key "OFF".
- Disconnect Pusher Fan Control (PFC) relay.
PFC Relay Vehicle Harness Connector:
- Measure voltage between the B+ circuit at the PFC relay vehicle harness connector and the battery negative post.
- Is voltage greater than 10.5 volts?
Yes -- Go to X47. X47 - Check Pusher Fan Ground Circuit
No -- Service open in B+ circuit. Reconnect PFC relay. Re-evaluate symptom.