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Home >> Acura >> 2009 >> MDX V6-3.7L >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Cooling System >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> Both Fans Do Not Run at Low Speed With the A/C On (But the A/C Compressor Runs With the A/C On)

Both Fans Do Not Run at Low Speed With the A/C On (But the A/C Compressor Runs With the A/C On)




Both fans do not run at low speed with the A/C on (but the A/C compressor runs with the A/C on)

Diagnostic Procedure:

Radiator and A/C condenser fan low speed circuit troubleshooting Radiator and A/C Condenser Fan Low Speed Circuit Troubleshooting

Also check for:

- HVAC DTCs Initial Inspection and Diagnostic Overview
- Blown fuse No. 15 (30 A) in the relay block, and No. 30 (10 A) in the under-dash fuse/relay box
- Poor ground at G301
- Cleanliness and tightness of all terminals