Operation CHARM: Car repair manuals for everyone.

Scan Tool Testing and Procedures


NOTICE: The values given below for "Normal Condition" are representative values. so a vehicle may still be normal even if its value varies from those listed here. So do not decide whether a part is faulty or not solely according to the "Normal Condition" here.

CARB Mandated Signals:





CARB Mandated Signals

Toyota Enhanced Signals Chart 1 Of 2:




Toyota Enhanced Signals Chart 2 Of 2:





TOYOTA Enhanced Signals