Inspection Procedure 5
Blower Fan And Motor Does Not Stop Turning.STEP 1. Check the wiring harness between the blower fan and motor connector C-17 (terminal 1), the resistor connector C-16 (terminals 1, 2, 3 and 4) and the blower switch connector C-48 (terminals 1, 4, 5 and 6).
Q: Is the wiring harness between the blower fan and motor connector C-17 (terminal 1), the resistor connector C-16 (terminal 1, 2, 3 and 4), and the blower switch connector C-48 (terminals 1, 4, 5 and 6) in good condition?
YES: Go to Step 2.
NO: Repair the wiring harness. Then go to Step 4.
STEP 2. Check the blower relay continuity.
Follow the table to check the blower relay for continuity.
Q: Is the blower relay continuity in good condition?
YES: Go to Step 3.
NO: Replace. Then go to Step 4.
STEP 3. Check the blower switch continuity.
Follow the table to check the blower switch for continuity.
Q: Is the blower switch continuity in good condition?
YES: Go to Step 4.
NO: Replace. Then go to Step 4.
STEP 4. Check symptoms.
Q: Does the blower motor stop turning?
YES: This diagnosis is complete. (If no malfunctions are not found in all steps, an intermittent malfunction is suspected. Refer to How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunction.)
NO: Go to Step 1.