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Radiator Fan and A/C Condenser Fan Circuit Troubleshooting
Radiator Fan and A/C Condenser Fan Circuit Troubleshooting
1. Connect the HDS to the DLC.
2. Turn the ignition switch to ON (II), and select RADIATOR FAN in the PGM-FI INSPECTION menu with the HDS.
Does the radiator fan and the A/C condenser fan run?
YES -
Fan circuit is OK.�
NO -
Go to step 3.
3. Turn the ignition switch to LOCK (0).
4. Disconnect the RFC unit 3P connector.
5. Check for continuity between RFC unit 3P connector terminal No. 2 and body ground, then terminal No. 3 and body ground.
Is there continuity?
YES -
Replace the RFC unit RFC Unit Replacement.�
NO -
Check for an open in the wire between RFC unit 3P connector terminals No. 2, No. 3, and body ground. If the wire is OK, check for a poor ground at G301.�