Air Conditioning

Condenser Fan Circuit Troubleshooting (cont'd)

21-75 Radiator and Condenser Fans Common Circuit Troubleshooting

  1. Disconnect the condenser fan 2P connector.
  1. Check for continuity between the No. 1 terminal of the condenser fan relay 4P socket and the No. 2 terminal of the condenser fan 2P connector.

CONDENSER FAN RELAY 4P SOCKET

CONDENSER FAN 2P CONNECTOR

Wire side of female terminals

Is there continuity?

YES - Go to step 11.

NO - Repair open in the wire between the condenser fan relay and the condenser fan.

  1. Check for continuity between the No. 1 terminal of the condenser fan 2P connector and body ground.

CONDENSER FAN 2P CONNECTOR

Wire side of female terminals

Is there continuity?

YES - Replace the condenser fan motor.

NO - Check for an open in the wire between the condenser fan and body ground. If the wire is OK, check for poor ground at G201.

  1. Check the No. 1 (20A) and No. 4 (20A) fuses in the under-hood fuse/relay box and the No. 14 (10A) fuse in the under-dash fuse/relay box.

Are the fuses OK?

YES - Go to step 2.

NO - Replace the fuse(s) and recheck.

  1. Remove the condenser fan relay from the under-hood fuse/relay box.
  2. Turn the ignition switch ON (II).
  3. Measure the voltage between the No. 3 terminal of the condenser fan relay 4P socket and body ground.

CONDENSER FAN RELAY 4P 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 radiator fan relay and the condenser fan relay.

  1. Turn the ignition switch OFF.
  2. Reinstall the condenser fan relay.
  3. Make sure the A/C switch is OFF.
  4. Turn the ignition switch ON (II).