Inspection Procedure 6

When the A/C is Operating Condenser Fan or Radiator Fan does not Turn

DIAGNOSIS

STEP 1. Check the fan control relay continuity.

Q: Is the fan control relay continuity in good condition?

YES: Go to Step 2.
NO : Replace. Then go to Step 4.

STEP 2. Check the condenser tan motor operation .
Check to be sure that the condenser fan motor operates when battery voltage is applied to terminal 2 and terminal 1 grounded.

Q: Is the condenser fan motor operating correctly?

YES: Go to Step 3.
NO: Replace. Then go to Step 3.

STEP 3. Measure the fan controller terminal voltage.
Refer to On-vehicle Service - Fan Control Module Check.

Q: Is the fan controller terminal voltage in good condition?

YES: Go to Step 4.
NO : Replace. Then go to Step 4.

STEP 4. Check symptoms.

NOTE: Condenser fan might not operate when there is an air conditioning low load from the air conditioning condenser control, so remove the negative battery terminal and then check the symptoms after 5 minutes since initial start control after reconnection.

Q: Is the condenser fan or radiator fan operating correctly?

YES: This diagnosis is complete. (If no malfunctions are not found in all steps, an intermittent malfunction is suspected. Refer to Introduction, How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunction)
NO: Go to Step 1.