Radiator Fan High Speed Circuit Troubleshooting
|1.||Remove the fan control relay from the under-hood fuse/relay box, and test it.|
Is the relay OK?
YES - Go to 2.
NO - Replace the fan control relay.n
|2.||Measure the voltage between the fan control relay 5P socket terminal No. 5 and body ground.|
Is there battery voltage?
YES - Go to 3.
NO - Replace the under-hood fuse/relay box.n
|3.||Check for continuity between the fan control relay|
5P socket terminal No. 2 and body ground.
Is there continuity?
YES - Replace the under-hood fuse/relay box.n
NO - Repair an open in the wire between the fan control relay 5P socket terminal No. 2 and body ground. If the wire is OK, check for poor ground at G301.n