Check the No. 14 (10 A) fuse in the under-dash fuse/relay box. Is the fuse OK? YES - Go to step 2. NO - Replace the fuse and recheck. Remove the fan control relay from the multi-fuse/relay box and test it. Is the relay OK? YES - Go to step 3. NO - Replace the fan control relay. Turn the ignition switch ON (II). Measure the voltage between the No. 3 terminal of the fan control relay 5P socket and body ground. FAN CONTROL RELAY 5P SOCKET Is there battery voltage? YES - Go to step 5. NO - Repair open in the wire between the No. 14 fuse in the under-dash fuse/relay box and the fan control relay. Turn the ignition switch OFF.

Check for continuity between the No. 4 terminal of the fan control relay 5P socket and body ground. FAN CONTROL RELAY 5P SOCKET Is there continuity? YES - Repair open in the wire between the fan control relay and the A/C diode B. NO - Check for an open in the wire between the fan control relay and body ground. If the wire is OK, check for poor ground at G301. aaa