[ Model - ECLIPSE CROSS / Year - 2018 ]
2018 / ECLIPSE CROSS / EC - Workshop Manual
55 -HEATER, AIR CONDITIONER AND VENTILATION > TROUBLESHOOTING > DIAGNOSIS CODE PROCEDURES > B1079 Refrigerant Leaks
Code No. B1079: A/C refrigerant leaks
 
 
 
 
COMMENTS ON TROUBLE SYMPTOM
If this code is set, the refrigerant level may not be appropriate, or the A/C pressure sensor may be faulty (If this code is set, the A/C indicator will flash).
 
 
 
PROBABLE CAUSES
  • Inadequate refrigerant level
  • Malfunction of the A/C pressure sensor
  • Damaged wiring harness or connectors
  • Malfunction of the A/C controller assembly (A/C-ECU)
 
 
 
 
DIAGNOSIS PROCEDURE
STEP 1. Check the condenser assembly
Check that the condenser assembly is not wet.
Is the check result normal?
Go to Step 2.
Wait until the condenser is dry, and check that no diagnosis code is set.
 
STEP 2. M.U.T.-IIISE data list
Check that the following service data display contents are normal (Refer to )
Item No.3: Refrigerant pressure sensor
Is the check result normal?
Go to Step 3.
Refer to Inspection Procedure 6 "A/C pressure system" .
 
STEP 3. Check the A/C pressure sensor
Refer to .
Is the check result normal?
Go to Step 4.
Replace the A/C pressure sensor.
 
STEP 4. Refrigerant level check
Refer to .
Is the check result normal?
Go to Step 5.
Correct the refrigerant level.
 
STEP 5. Check whether the diagnosis code is set again.
Is the diagnosis code set?
Replace the A/C controller assembly (A/C-ECU).
The trouble can be an intermittent malfunction (Refer to GROUP 00, How to Cope with Intermittent Malfunction ).