Cooling System - Radiator/Condenser Fans Always Run

01-025

February 27, 2001

Applies To:
2000 Accord - See VEHICLES AFFECTED

Radiator and/or Condenser Fan Operates Continuously

SYMPTOM

The radiator fan and/or the condenser fan runs continuously; or, if the fan(s) ran when the engine was off, the battery may be discharged.

PROBABLE CAUSE

The radiator and/or condenser fan relay has failed.





VEHICLES AFFECTED

CORRECTIVE ACTION

Replace both relays. If one relay fails, you must replace both.

PARTS INFORMATION

Relay Assembly (two required):

P/N 39794-S01-A01, H/C 4803425





WARRANTY CLAIM INFORMATION

In warranty: The normal warranty applies.

Failed Part: P/N 39794-S01-A01
H/C 4803425

Defect Code: 032

Contention Code: B01

Skill Level: Repair Technician

Out of warranty: Any repair performed after warranty expiration may be eligible for goodwill consideration by the District Service Manager or your Zone Office. You must request consideration, and get a decision, before starting work.

DIAGNOSIS

^ If the battery is discharged and there is no apparent reason, remove the radiator fan and condenser fan relays from the underhood fuse/relay box, and shake them one at a time. If you hear a rattle coming from either relay, go to REPAIR PROCEDURE.

^ If the fan(s) run continuously with the ignition switch OFF install known-good relay(s) and verify that the fan(s) stop. If the fans stop with the known-good relays, go to REPAIR PROCEDURE.

NOTE:
If the coolant temperature is high (above 185° F) when the ignition is switched OFF the fans will automatically run for about 15 minutes.

^ If the battery is discharged and the relay(s) are OK, troubleshoot other causes.

REPAIR PROCEDURE

1. Remove and replace the radiator fan and condenser fan relays in the underhood fuse/relay box. Refer to page 10-15 of the 1999-01 Accord Service Manual or page 10-14 of the 1999-01 Accord Service Manual V6 Supplement.

2. Turn off the A/C, start the engine, and let it warm up. Make sure the fans cycle on and off when the engine reaches normal operating temperature.





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