Honda Accord: A/C System Inspection - Heating/Air Conditioning - Heating, Ventilation, and Air Conditioning - Honda Accord MK8 2008-2012 Service ManualHonda Accord: A/C System Inspection

Before troubleshooting any problem with the air conditioning system, do the following: 1. With the ignition switch in LOCK (0), inspect the A/C components, the pressure lines and the hoses for stains that may indicate a refrigerant or a compressor oil leak.

2. Check the A/C condenser for material clogging the


2. Check the A/C condenser for material clogging the fins or for damage to the fins: • Carefully clean any material from the A/C condenser fins with water and detergent. If deeper cleaning is required, clean the fins with Hondabrite Motorcycle Cleaner (P/N 08732-0032).

• Be sure to dry the A/C condenser (A) completely.

• - Refer to the refrigerant leak test (see page 21-82) to confirm leaks if there is visible damage to the A/C condenser.

3. Inspect the drive belt (see page 4-29).


3. Inspect the drive belt (see page 4-29).

4. Make sure no material is blocking the airflow to the A/C condenser.

5. Check the dust and pollen filter, and replace it if it is clogged (see page 21-79).

6. Check for kinks or sharp bends in the A/C lines and hoses, which can greatly reduce system performance.

Replace the A/C lines and hoses if they are kinked or damaged (see page 21-7).

7. Start the engine, turn the air conditioning system on, and allow it to run for a few minutes and reach stable operation.

8. Check that the A/C operates at each position of the blower fan switch (except OFF). If the A/C does not operate, refer to the symptom troubleshooting.

9. Check that the A/C compressor clutch (A) is engaged.

The pressure plate should be rotating at the same c n a o r i Р’В»c t h e pii Hey. !f the prcecurР’В© plate does not engage, refer to the symptom troubleshooting.

10. Check that the cooling fans (B) operate when the A/C


10. Check that the cooling fans (B) operate when the A/C compressor clutch is engaged. If either fan fails to . operate when the A/C compressor clutch is engaged, refer to the symptom troubleshooting.

11. Check that the engine idle speed is correct when the A/C is switched on and off, and when the A/C compressor clutch is engaged and disengaged.

    A/C Line Replacement
    1.Discharge hose to the A /C compressor (6 x 1.0 mm): S.8 N-m (1.0 kgf-m, 7.2 Ibf-ft) 2.Discharge hose to the A /C condenser (6x1.Р’В© mm): 9.8 N-m f 1.0 kgf-m, 7.2 Ibf-ft) 3.Receiver lin ...

    General Troubleshooting Information
    How to Use the Self-diagnostic Function The HVAC control unit has a self-diagnostic function for the heating, ventilation, and air conditioning system. To run the self-diagnostic function, do the ...

    See also:

    Rear Bumper Removal/Installation
    NOTE: - Have an assistant help you when removing and installing the rear bumper. - Take care not to scratch the rear bumper or the body. - Put on gloves to protect your hands. - When prying ...

    Shift Lock Solenoid Test
    1. Connect the HDS to the DLC (A) located under the driver's side of the dashboard. 2. Turn the ignition switch to ON (II). Make sure the HDS communicates with the PCM. If it does not, go to the ...

    Control Unit Input Test
    NOTE: Before testing, troubleshoot the multiplex integrated control unit first, using B-CAN System Diagnosis Test Mode A (see page 22-134), Driver's MICU 1. Turn the ignition switch to LOCK (0), ...