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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Adjustment
1. INSPECT SWITCH ASSY, NEUTRAL START
(a) Apply the parking brake and turn the ignition switch to the ON
position.
(b) Depress the brake pedal and check that the engine starts only when the shift
lever is set in the N or
P position.
(c) Check that the back-up light is lit and the reverse war ...
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