toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Engine Control Module|Removal and Installation|Page 2003 > < Engine Control Module|Removal and Installation|Page 2001
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Part 2

a. Write VIN using the hand-held tester.

Vehicle Reprogramming

VEHICLE REPROGRAMMING

Beginning with some 2001 models and expanding to all models by 2007, Toyota/Scion and Lexus vehicles are equipped with flash reprogrammable
Powertrain Control Modules (PCM). Reprogramming should only be performed if a Technical Service Bulletin or Service Campaign provides
direction to do so.

Engine Control Module|Removal and Installation|Page 2003 > < Engine Control Module|Removal and Installation|Page 2001