## Heating Symptom Troubleshooting

Symptom | Diagnostic procedure | Also check for
--- | --- | ---
Blower motor runs, but one or more speeds are inoperative | Blower Motor Circuit Troubleshooting | Cleanliness and tightness of all connectors
Blower motor does not run at all | Blower Motor Circuit Troubleshooting | Blown fuse No. 5 (40A) in the under-hood fuse/relay box, and No. 22 (7.5A) in the under-dash fuse/relay box Poor ground at G402 Cleanliness and tightness of all connectors