Toyota Highlander manuals

Toyota Highlander Service Manual: Location

Location


SYSTEM DIAGRAM

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

SYSTEM DIAGRAM


Emission control system (3MZ-FE)
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On-vehicle inspection
1. INSPECT AIR-FUEL RATIO COMPENSATION SYSTEM (a) Measure the voltage between the terminals of the ECM connectors. Standard: NOTICE: Connect test leads to the connector's backside. The co ...

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Warning: explains something that, if not obeyed, could cause death or serious injury to people.   Notice: explains something that, if not obeyed, could cause damage to or a malfunction in the vehicle or its equipment.   Indicates operating ...

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