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:
Headlamp dimmer switch ASSY
REPLACEMENT
HINT:
Installation is in the reverse order of removal.
1. REMOVE STEERING COLUMN COVER LWR (SEE PAGE 50-8 )
2. REMOVE STEERING COLUMN COVER UPR (SEE PAGE 50-8 )
3. REMOVE HEADLAMP DIMMER SWITCH ASSY
(a) Disconnect the connector.
(b) Using a screwdriver, disengage the claw, and ...
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