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:
Horn system
LOCATION
INSPECTION
1. INSPECT RELAY (HORN)
(a) Remove the HORN relay from the engine room J/B.
(b) Measure the HORN relay resistance.
Standard:
2. INSPECT HIGH PITCHED HORN ASSY
(a) Check operation of the horn.
Standard:
If the result is not as specified, replace the horn ...
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