## Fan Controls

#### Radiator Fan Circuit Troubleshooting (cont'd)

10-17

6. Disconnect the radiator fan motor 2P connector.

7. Check for continuity between the No. 2 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

Terminal side of female terminals

Wire side of female terminals

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.

8. 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 G201.

9. Reinstall the radiator fan relay.

10. Disconnect the radiator fan switch 2P connector. jumper terminals No. 1 and No. 2 to see if fan runs.

Does the radiator fan run?

YES - Replace the radiator fan switch.

NO - Go to step 11.

11. 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

Wire side of female terminals

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 G101.

NO - Repair open in the wire between the radiator fan switch terminal No. 2 and the under-hood fuse/relay box.