A/T Diagnosis General Description

This vehicle is equipped with an electronic transaxle control system, which controls the automatic shift up and shift down timing, TCC operation, etc. suitably to vehicle driving conditions.

TCM has an On-Board Diagnosis System which detects a malfunction in this system and abnormality of those parts that influence the engine exhaust emission.

When diagnosing a trouble in transaxle including this system, be sure to have full understanding of the outline of ON-BOARD DIAGNOSTIC SYSTEM DESCRIPTION  and each item in PRECAUTIONS IN DIAGNOSING TROUBLE  and execute diagnosis according to A/T SYSTEM CHECK  to obtain correct result smoothly.