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:
Occupant classification ECU
COMPONENTS
REPLACEMENT
HINT:
Installation is in the reverse order of removal.
1. PRECAUTION (SEE PAGE 60-1 )
2. DISCONNECT BATTERY NEGATIVE TERMINAL (SEE PAGE 60-1 )
3. REMOVE FRONT RH SEAT ASSY (SEE PAGE 72-1 1 (POWER SEAT) OR
72-19 (MANUAL SEAT))
4. REMOVE OCCUPANT CLASSIFICATION ECU
...
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