Inspection Procedure 2: Cool air does not come




CIRCUIT OPERATION


If the blower air temperature can not be cool when turning A/C switch ON and lowering the preset temperature, inadequate refrigerant quantity, sensors, harness or connectors may be suspected.

PROBABLE CAUSES



  • Damaged the wiring harness or connectors

DIAGNOSIS PROCEDURE


STEP 1. Check the blower operation


(1)Turn the ignition switch to the ON position.
(2)Blower knob: Other than OFF
(3)Check that the air comes out of the blower.

Q. Is the check result normal?

Go to Step 2.
Refer to Inspection Procedure 3 " Front blower does not work ".

STEP 2. Check the A/C compressor operation


Check that the compressor operates under the following conditions.

  • Engine operation
  • A/C switch: ON
  • Temperature control dial: 18°C (MAX COOL)

Q. Is the check result normal?

Go to Step 3.
Refer to Inspection Procedure 6 " The compressor does not work <4M40 M/T> " or Inspection Procedure 7 " The compressor does not work <4M40 A/T> " Inspection Procedure 8 " The compressor does not work <Except for 4M40> ".

STEP 3. M.U.T.-III diagnosis code


Check that the diagnosis code related to the A/C is not set.

Q. Is the check result normal?

Go to Step 4.
Carry out the diagnosis code procedures. Refer to .

STEP 4. Refrigerant level check


Check that the refrigerant level is adequate. Refer to .

Q. Is the check result normal?

Intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent Malfunction ).
Charge or remove the refrigerant level. Refer to .