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 ...
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Replacement
1. REMOVE FRONT WHEEL RH
2. REMOVE ENGINE UNDER COVER NO.1
3. REMOVE FRONT FENDER APRON SEAL RH
4. DRAIN ENGINE OIL
(a) Install a new gasket and the drain plug after draining engine oil.
Torque: 25 NVm (255 kgfVcm, 18 ftVlbf)
5. REMOVE EXHAUST PIPE ASSY FRONT
6. REMOVE ENGINE MOVING CONTROL ...
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