Engine Operating Condition

NOTE: The values given below for normal condition are representative values. So a vehicle may still be normal even if it's value differs from those listed here. So do not depend solely on normal conditions here when deciding whether part is faulty or not.

For CARB mandated signals, see Fig 1. For TOYOTA enhanced signals, see Fig 2.

Fig 1: Identifying CARB Mandated Signals Chart

Fig 2: Identifying TOYOTA Enhanced Signals Chart