Radiator and A/C Condenser Fan Low Speed Circuit Troubleshooting
NOTE:
  • Do not use this troubleshooting procedure if the A/C compressor is inoperative. Refer to the symptom troubleshooting index.
  • Before performing symptom troubleshooting, check for powertrain DTCs, R20A3 engine model, K24Z3 engine model.
  1. Check the No. 3−6 (MAIN FAN MTR) (30 A) fuse in the under-hood fuse/relay, and the No. 16 (7.5 A) fuse in the driver's under-dash fuse/relay box.
Are you fuses OK?
YES -
Go to Step 2 .
NO -
Replace the fuse(s), and recheck. If the fuse(s) blow again, check for a short in the No. 3−6 (MAIN FAN MTR) (30 A) fuse and the No. 16 (7.5 A) fuse circuits.■
  1. Remove the radiator fan relay from the under-hood fuse/relay box, and test it.
Is the relay OK?
YES -
Go to Step 3 .
NO -
Replace the radiator fan relay .■
  1. Measure the voltage between the radiator fan relay 4P socket No. 1 terminal and body ground.
Is there battery voltage?
YES -
Go to Step 4 .
NO -
Replace the under-hood fuse/relay box. ■