FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of 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 (Part 1 Of 2):




CARB Mandated Signals (Part 2 Of 2):







Toyota Enhanced Signals