lexus Workshop Repair Guides

Lexus Workshop Service and Repair Manuals

Initial Inspection and Diagnostic Overview|Page 4454 > < Initial Inspection and Diagnostic Overview|Page 4452
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Diagnosis System

DIAGNOSIS SYSTEM 

1. DESCRIPTION

a. The network gateway ECU controls the functions of the multiplex communication system of the vehicle. Data of the multiplex communication

system and the Diagnostic Trouble Codes (DTC) can be read through the Data Link Connector 3 (DLC3) of the vehicle.

2. CHECK DLC3

Initial Inspection and Diagnostic Overview|Page 4454 > < Initial Inspection and Diagnostic Overview|Page 4452