Procedure For First Engine Start After Charging Refrigerant Circuit
- All removed parts are reinstalled.
- The refrigerant circuit is filled. Refer to A/C SYSTEM, GENERAL INFORMATION or A/C SYSTEM, OPERATING AFTER CHARGING . After recharging, before activating the A/C system.
-- Open all instrument panel vents.
-- Switch the ignition on.
Vehicles with Manual Climate Control System:
-- Adjust the following settings on the A/C system control heads:
This illustration shows the layout of the regulators -1, 2 and 3- and the buttons -4 and 5- on a LHD vehicle. The layout may be different on RHD vehicles.
- A/C compressor off: The indicator lamp in the A/C button (in the regulator -2-, Front A/C Display Control Head 3 -E776-) does not come on.
- Recirculating air mode off: The indicator lamp in the Fresh Air and Recirculating Air Mode Button -E781- -4- does not come on.
-- Start the engine with the A/C compressor switched off and wait until the engine idle speed has stabilized.
- Turn the regulator -2- (Front A/C Display Control Head 3 -E776-) for the temperature setting to the "cold" stop.
- A/C compressor on: The indicator lamp in the A/C button (in regulator -2-) illuminates.
- Turn the temperature setting regulator -1- to the "cold" stop.
- A/C compressor on: The indicator lamp in the AC (or A/C ) button -5- illuminates.
Vehicles with Automatic Climate Control System:
-- Adjust the following settings on the A/C system control heads:
This illustration shows the layout of the regulators -1, 2 and 3- and the buttons -4 and 5- on a LHD vehicle. The layout may be different on RHD vehicles.
- A/C compressor off: The indicator lamp in the A/C button (in regulator -1-) does not come on.
- Recirculating air mode off: The indicator lamp for "recirculating air mode" in the Recirculation button (in the regulator -3-) does not come on.
-- Start the engine with the A/C compressor switched off and wait until the engine idle speed has stabilized.
-- Adjust the following settings on the A/C system control heads:
- "Auto" mode on: The indicator lamp in the Auto button (in the regulator -2-) illuminates.
- Turn the regulator -2- (Front A/C Display Control Head 3 -E776-) for the temperature setting to the "cold" stop.
- Turn the regulator -1- (Front A/C Display Control Head 2 -E775-) for the fresh air blower to the maximum speed.
- A/C compressor on: The indicator lamp in the A/C button (in regulator -1-) illuminates.
Continuation for All Vehicles:
-- Let the A/C compressor run with the engine in idle for at least five minutes.
Read the information for starting the A/C system after filling. Refer to A/C SYSTEM, GENERAL INFORMATION or A/C SYSTEM, OPERATING AFTER CHARGING . After recharging, before activating the A/C system.