Inspection Procedure 8
When The Heater Control Knob Is Set To The "MAX COOL" Position, The Air-Conditioning Does Not Cool Sufficiently.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.
Follow the table to check the water shut motor for correct operation.
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.
Follow the table to check the water shut valve controller for 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.