Disconnect the radiator fan motor 2P connector. Check for continuity between the No. 1 terminal of the radiator fan relay 4P socket and the No. 2 terminal of the radiator fan motor 2P connector. RADIATOR FAN RELAY 4P SOCKET RADIATOR FAN MOTOR 2P CONNECTOR Is there continuity? YES - Go to step 8. NO - Repair open in the wire between the under-hood fuse/relay box and the radiator fan motor 2P connector terminal No. 2. Check for continuity between the No. 1 terminal of the radiator fan motor 2P connector and body ground. RADIATOR FAN MOTOR 2P CONNECTOR Wire side of female terminals Is there continuity? YES - Replace the radiator fan motor. NO - Check for an open in the wire between radiator fan motor 2P connector terminal No. 1 and body ground. If the wire is OK, check for a poor ground at G301.

Reinstall the radiator fan relay. Disconnect the radiator fan switch 2P connector. Connect the No. 1 and No. 2 terminals, of the radiator fan switch 2P connector with a jumper wire. RADIATOR FAN SWITCH 2P CONNECTOR Wire side of female terminals Does the radiator fan run? YES - Replace the radiator fan switch. NO - Go to step 12. Remove the jumper wire, and measure the voltage between the No. 2 terminal of the radiator fan switch connector and body ground. RADIATOR FAN SWITCH 2P CONNECTOR Is there battery voltage? YES - Check for an open in the wire between radiator fan switch 2P connector terminal No. 1 and body ground. If the wire is OK, check for a poor ground at G301. NO - Repair open in the wire between the radiator fan switch terminal No. 2 and the under-hood fuse/relay box. aaa