Suzuki WagonR+ RB310 Service Manual page 978

AUTOMATIC TRANSAXLE (M13 ENGINE MODEL) 7B1-13
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.
When diagnosing a trouble in transaxle including this system, be sure to have full understanding of the outline of
"On-Board Diagnostic System" and each item in "Precaution in Diagnosing Trouble" and execute diagnosis
according to "Automatic Transaxle Diagnostic Flow Table" given below to obtain correct result smoothly.