Toyota Highlander Service Manual: Location
SYSTEM DIAGRAM
The emission control system is determined by the ECM based on signals from various sensors.
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:
High beam automatic turning on or off conditions
When all of the following conditions are met, the high beam will be
automatically turned on (after approximately 1 second):
vehicle speed is above approximately 21 mph (34 km/h).
The area ahead of the vehicle is dark.
There are no oncoming or preceding vehicles with headli ...
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