Toyota Highlander Service Manual: Circuit inspection
How to read and use each page is shown below.
Problem symptoms table
The suspected circuits or parts for each problem symptom are shown in the
table below. Use this table to
troubleshoot when, during a DTC check, a "Normal" code is displayed but the
problem is sti ...
Electronic circuit inspection procedure
1. BASIC INSPECTION
(a) RESISTANCE MEASURING CONDITION OF ELECTRONIC PARTS
Unless stated, all resistance is measured at an ambient
temperature of 20 C (68 F). Resistances
measured may ...
More about Toyota Highlander:
On-vehicle inspection
HINT:
The cooling fan may rotate when the ignition switch is turned from ACC to ON.
This is normal.
1. CHECK COOLING FAN OPERATION AT LOW TEMPERATURE (Below 83 C (181 F))
(a) Turn the ignition switch ON.
(b) Check that the cooling fan stops.
If not, check the cooling fan relay and ECT switc ...
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