Scan Tool Testing and Procedures
NORMAL ENGINE OPERATING CONDITIONNOTE: The values given for "Normal Condition" are representative values, so a vehicle may still be normal even if its value differs from those listed here. So do not solely depend on the "Normal Condition" here when deciding decide whether a part is faulty or not.
Part 1:
Part 2:
a. CARB mandated signals.
b. LEXUS Enhanced Signals.