Operation CHARM: Car repair manuals for everyone.

Scan Tool Testing and Procedures

NORMAL ENGINE OPERATING CONDITION

NOTE: The values given below 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 depend solely on the normal condition here when deciding whether a part is faulty or not.

Part 1:




Part 2:




a. CARB mandated signals

Part 1:




Part 2:




b. TOYOTA Enhanced Signals.