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:
Replacement
1. REMOVE FRONT SUSPENSION BRACE SUB-ASSY UPPER CENTER (SEE PAGE 32-14 )
2. REMOVE AIR CLEANER ASSY (2AZ-FE ENGINE TYPE) (SEE PAGE 14-24 )
3. REMOVE AIR CLEANER CAP SUB-ASSY (3MZ-FE ENGINE TYPE) (SEE PAGE 14-149 )
4. REMOVE AIR CLEANER FILTER ELEMENT SUB-ASSY (3MZ-FE ENGINE TYPE)
(SEE PAGE 14-14 ...
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