Radiator Fan High Speed Circuit Troubleshooting

  1. Check for continuity between the radiator fan motor 2P connector terminal No. 1 and body ground.
Is there continuity?
YES -
Go to Step 5 .
NO -
Check for open in the wire between the radiator fan motor 2P connecter terminal No. 1 and body ground. If the wire is OK, check for poor ground at G301.■
  1. Test the radiator fan motor.
Is the radiator fan motor OK?
YES -
Replace the under-hood fuse/relay box.■
NO -
Replace the radiator fan motor.■