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Home >> Lexus >> 2003 >> GS 300 L6-3.0L (2JZ-GE) >> Repair and Diagnosis >> Accessories and Optional Equipment >> Antitheft and Alarm Systems >> Testing and Inspection >> Initial Inspection and Diagnostic Overview >> Engine Immobilizer System >> Description of On-Board Diagnostics

Description of On-Board Diagnostics

DIAGNOSIS SYSTEM

Description




ECM controls the function of immobilizer on this vehicle. Data of the immobilizer or DTC can be read form DLC3 of the vehicle. When a trouble occurs on immobilizer, MIL does not light up but DTC inspection is performed.

Therefore when there seems to be a trouble on immobilizer, use LEXUS hand-held tester or SST to check and troubleshoot it.
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