Inspection Procedure 2: Cool air does not come
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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.
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- Damaged the wiring harness or connectors
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STEP 1. Check the blower operation
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(1)Turn the ignition switch to the ON position.
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(2)Blower knob: Other than OFF
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(3)Check that the air comes out of the blower.
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Q.
Is the check result normal?
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Go to Step 2.
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Refer to Inspection Procedure 3 " Front blower does not work ".
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STEP 2. Check the A/C compressor operation
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Check that the compressor operates under the following conditions.
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- Engine operation
- Air conditioner switch: ON
- Temperature control dial: 18°C (MAX COOL)
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Q.
Is the check result normal?
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Go to Step 3.
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NO <LHD> : Refer to Inspection Procedure 8 " The compressor does not work <LHD> ".
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NO <RHD (Except vehicles for Hong Kong and Singapore)> : Refer to Inspection Procedure 9 " The compressor does not work <RHD (Except vehicles for Hong Kong and Singapore)> ".
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NO <RHD (Vehicles for Hong Kong and Singapore)> : Refer to Inspection Procedure 10 " The compressor does not work <RHD (Vehicles for Hong Kong and Singapore)> ".
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STEP 3. M.U.T.-III diagnosis code
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Check that the diagnosis code related to the air conditioner is not set.
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Q.
Is the check result normal?
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Go to Step 4.
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Carry out the diagnosis code procedures. Refer to .
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STEP 4. M.U.T.-III data list
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Check that the following service data M.U.T.-III display contents are normal. (Refer to )
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- Item 04: Pressure sensor
- Item 50: Front preset temperature
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Q.
Is the check result normal?
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Go to Step 5.
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NO <Item 04 is abnormal> : Inspection Procedure 20: Refer to A/C pressure sensor system or Inspection Procedure 21: Refer to A/C pressure sensor system .
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NO <Item 50 is abnormal> : Replace the A/C-ECU.
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STEP 5. Refrigerant level check
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Check that the refrigerant level is adequate. Refer to .
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Q.
Is the check result normal?
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Intermittent malfunction. (Refer to GROUP 00, How to Cope with Intermittent Malfunction .)
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Charge or remove the refrigerant level. Refer to or .
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