Operation CHARM: Car repair manuals for everyone.

Radiator and Condenser Fans Circuit Troubleshooting A

Radiator and Condenser Fans Circuit Troubleshooting A
1. Check the No. 3 (7.5A) fuse in the driver's underdash fuse/relay box.
Is the fuse OK?
YES - Go to step 2.
NO - Check for these problems:
^ A short in the wire between the driver's underdash fuse/relay box and fan control module 8P connector terminal No. 2.
^ A short in the wire between the driver's underdash fuse/relay box and fan control relay 5P socket terminal No. 5 (J32A2 engine (A/T)).
2. Turn the ignition switch ON (II).





3. Measure the voltage between fan control module 8P connector terminal No. 2 and body ground.
Is there battery voltage?
YES - Go to step 4.
NO - Air an open in the wire between the driver's under-dash fuse/relay box and fan control module. 8P connector terminal No. 2.
4. Turn the ignition switch OFF.
5. Disconnect the radiator fan motor 2P connector.





6. Check for continuity between radiator fan motor 2P connector terminal No. 1 and body ground.
Is there continuity?
YES - Go to step 7.
NO - Check for an open in the wire between radiator fan motor 2P connector terminal No. 1 and G201. If the wire is OK, check for a poor ground at G201.
7. Disconnect the fan control module 8P connector.





8. Check for continuity between fan control module 8P connector terminal No. 4 and body ground.
Is there continuity?
YES - Replace the fan control module. If the radiator fan still does not run, replace the fan motor.
NO - Repair an open in the wire between fan control module terminal No. 4 and G401.