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:
Throttle body ASSY (3MZ-FE)
COMPONENTS
REPLACEMENT
1. DRAIN ENGINE COOLANT (See page 16-26 )
2. REMOVE FRONT SUSPENSION BRACE SUB-ASSY UPPER CENTER
(a) Remove the 2 nuts and upper brace.
3. REMOVE V-BANK COVER SUB-ASSY
(a) Using a socket hexagon wrench 5, remove the 3 nuts.
(b) Remove the V-bank cover.
4. R ...
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