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:
Thermostat (2AZ-FE)
REPLACEMENT
1. DRAIN ENGINE COOLANT (See page 16-6 )
2. REMOVE FAN AND GENERATOR V BELT (See page 14-5 )
3. REMOVE GENERATOR ASSY (See page 19-16 )
4. DISCONNECT RADIATOR HOSE INLET
5. REMOVE WATER INLET
(a) Remove the 2 nuts and disconnect the water inlet from
the cylinder block.
6. REM ...
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