Toyota Highlander Service Manual: Emission control system (2AZ-FE)

Emission control

...

Location

SYSTEM DIAGRAM The emission control system is determined by the ECM based on signals from various sensors. ...

More about Toyota Highlander:

Alarm
The alarm The alarm uses light and sound to give an alert when an intrusion is detected. The alarm is triggered in the following situations when the alarm is set:  a locked door is unlocked or opened in any way other than using the entry function (vehicles with smart key system), wi ...