Diagnostic Method

Fig 1: Customer Inspection Diagnostic Flowchart

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

*¹ : For how to diagnose CAN bus lines, refer to PRECAUTIONS ON HOW TO REPAIR THE TERMINATOR RESISTOR .
*² : For the CAN bus diagnosis chart, refer to DIAGNOSIS <CAN> .
*³ : When scan tool MB991958 detects a diagnostic trouble code, its display informs users whether a mechanical symptom currently exists or whether it existed before. The message for the former state identifies it as an "Active" and the message for the latter identifies it as a "Stored".
*⁴ : For how to treat past trouble, refer to HOW TO TREAT PAST TROUBLE .
*⁵ : For how to cope with intermittent malfunctions, refer to HOW TO COPE WITH INTERMITTENT MALFUNCTIONS .