Operation CHARM: Car repair manuals for everyone.
Hosted by mcallihan.com

Troubleshooting Hints - Heater

PERFORM BEFORE BEGINNING SYSTEM DIAGNOSIS
1. Check GAUGE Fuse.
2. Check Heater Fusible Link.
3. Check that Audio Alarm Module is securely mounted to Junction Block 1.
4. Check that Heater Relay is securely mounted in Junction Block 2.
5. Check that G204 is clean and tight.
6. Before component replacement, check for poor connections at related component and in-line harness connector terminal connections.