Toyota Corolla (E170): Headlight switch

The headlights can be operated manually or automatically.

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Driving support system information display
■ Driving support system information Select to display the operational status of the following systems: LTA (Lane Tracing Assist) LDA (Lane Departure Alertl) Dynamic radar cruise control ■ Navigation system-linked display (if equipped) Select to display the following navigation system-linke ...

Replacement
1. Discharge refrigerant from refrigeration system  turn the a/c switch on.  operating the cooler compressor at the engine rpm of approx. 1000 For 5 to 6 min., Circulate the refrigerant and collect compressor oil remaining in each component into the cooler compressor as much ...

Inspection procedure
Hint: if dtc p0441 (purge flow), p0446 (vsv for ccv or vsv for pressure switching valve), p0451, p0452 or p0453  is output with dtc p0442 or p0456 , first troubleshoot dtc p0441, p0446, p0451, p0452 or p0453. If no malfunction is detected, troubleshoot dtc p0442 or p0456 next. ...