Operation CHARM: Car repair manuals for everyone.

08 - Inspection Procedure

When the Heater Control Knob is Set to the "MAX COOL" Position, the Air-Conditioning does not Cool Sufficiently.

DIAGNOSIS

STEP 1. Check for refrigerant leaks.

Q: Is the refrigerant leaking?

YES: Repair. Then go to Step 4.

NO: Go to Step 2.







STEP 2. Check the water shut motor.

CAUTION: When the motor stops, disconnect the battery cable.

Q: Does water shut motor work normally?

YES: Go to Step 3.

NO: Replace. Then go to Step 4.







STEP 3. Check the water shut valve controller continuity.

Q: Is the water shut valve controller in good condition?

YES: Go to Step 4.

NO: Replace. Then go to Step 4.

STEP 4. Check symptoms.

Q: Is the cool air discharged?

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.