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Home >> Toyota >> 2012 >> Sienna SE >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Engine Immobiliser System (W/O Smart Key) (Diagnostic Codes & Circuit Tests) >> ENGINE IMMOBILISER SYSTEM (w/o Smart Key System) >> Circuit Tests >> Diagnosis Circuit >> Description

Diagnosis Circuit: Description

This circuit is used to read the DTCs that are output from the transponder key ECU with the Techstream.