COMPONENTS
ILLUSTRATION

On-vehicle InspectionDiagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) Air conditioning system data and the Diagnostic Trouble Codes (DTCs) can
be read through the Data Link Connector 3 (DLC3) of the vehicle. When the system
seems to be malfunctioning, use the Techstream to check for malfunctions and perform
troubleshooting.
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Removal
REMOVAL
PROCEDURE
1. PRECAUTION
CAUTION:
Be sure to read Precaution thoroughly before servicing (See page
).
NOTICE:
After turning the ignition switch off, waiting time may be required before disconnecting
the cable from the negative (-) battery terminal. Therefore, make sure to read the
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Data List / Active Test
DATA LIST / ACTIVE TEST
HINT:
By accessing the Data List displayed on the Techstream, you can perform such
functions as reading the values of switches and sensors without removing any parts.
Reading the Data List is the first step of troubleshooting and is one method to
shorten labor time.
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