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

Emission control

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Location

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

More about Toyota Highlander:

On-vehicle inspection
CAUTION: Be sure to perform the initialization of the occupant classification ECU if any of the following conditions occur (see page 05-1207 ). If the initialization is not performed, the SRS may not operate properly. The occupant classification ECU is replaced. Accessories (seatback tr ...