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:
Circuit description
The rear heated oxygen sensor is used to monitor oxygen concentration in the
exhaust gas. For optimum
catalytic converter operation, the air fuel mixture must be maintained near the
ideal ”stoichiometric” ratio.
The heated oxygen sensor output voltage changes suddenly in the vicinity of ...
Inspection
1. Headlamp dimmer switch assy
Inspect light control switch continuity.
Measure the resistance according to the value(s) in
the table below.
Standard:
Inspect headlight dimmer switch continuity.
Measure the resistance according to the value(s) in
the tabl ...
Valve clearance
Adjustment
1. Remove cylinder head cover no.2
Remove the 2 nuts, 2 clips and cylinder head cover.
2. Disconnect engine wire
Remove the 5 clamps from the 5 clamp brackets.
Disconnect the 4 ignition coil connectors.
Remove the bolt and nut installing the engine wire ...