Toyota Corolla (E170): Other functions
■ Switching between outside air and recirculated air modes
Press 
.
The mode switches between outside air mode (indicator off) and recirculated air
mode (indicator on) each time 
is pressed.
■ Defogging the windshield
Defoggers are used to defog the windshield and front side windows.
Press 
.
The dehumidification function operates and fan speed increases.
Set the outside/recirculated air mode button to the outside air mode if the recirculated air mode is used. (It may switch automatically.) To defog the windshield and the side windows early, turn the air flow and temperature up.
To return to the previous mode, press
again when the windshield is defogged.
■ Defogging the rear window and outside rear view mirrors
Defoggers are used to defog the rear window, and to remove raindrops, dew and frost from the outside rear view mirrors.
Press 
.
The defoggers will automatically turn off after a period of time.
Other materials:
Replacement
1. Work for preventing gasoline from spilling out
2. Remove front wheels
3. Remove engine under cover rh
4. Remove engine under cover lh
5. Drain coolant
6. Remove cylinder head cover no.2
Remove the 2 nuts, 2 clips and cylinder head cover.
7. Disconnect radiator hose inlet
&nb ...
How to proceed with troubleshooting
The hand–held tester can be used at step 4, 6, 8 and 9.
1 Vehicle brought to workshop
2 Customer problem analysis
3 Warning light check
4 The dtcs check (present and past dtcs)
5 The dtcs chart
6 Circuit inspection
7 Repair
8 Clear the dtcs (present and past dtcs)
9 The dt ...
Location
...