Diagnostic Information
WARNING: This page is about a different car, the 2002 Isuzu Rodeo Sport and 2002 Isuzu Rodeo. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostic charts and functional checks are designed to locate a faulty circuit or component through a process of logical decisions. The charts are prepared with the requirement that the vehicle functioned correctly at time of assembly and that there are no multiple faults present. There is a continuous self-diagnosis on certain control functions. This diagnostic capability is complemented by diagnostic procedures contained in this manual. Language of communicating the source of the malfunction is a system of DTCs. When a malfunction is detected by the control module, a DTC is set and MIL is illuminated.