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 ...

More about Toyota Highlander:

Inside vehicle
GENERAL MAINTENANCE HINT: These are maintenance and inspection items which are considered to be the owner's responsibility. They can be done by the owner or they can have them done at a service shop. These items include those which should be checked on a daily basis, those which, in most ...

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