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:
Location
PROBLEM SYMPTOMS TABLE
Symptom
Suspected Area
Rear window defogger does not operate
(Indicator lamp On)
Communication Function
RR DEF 30 A Fuse
Defogger Relay
Rear Window Defogger Wire
Wire Harness
A/C ECU ...
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