Blower Motor Does Not Run At All (Without A/C)

Blower motor does not run at all

Diagnostic Procedure:

1. Probable cause: A problem in the blower motor power or ground circuit

2. Do the blower motor circuit troubleshooting Blower Motor Circuit Troubleshooting

Also check for:

- Blown fuses No. 10 (7.5 A) or No. 57 (30 A) in the under-dash fuse/relay box
- Faulty blower motor relay
- Faulty heater fan switch
- Poor ground at G501
- Poor ground at G502:
- Poor or loose connections at the terminals