Suzuki WagonR+ RB310 Service Manual page 2745

7B-14 AUTOMATIC TRANSMISSION (4 A / T)
DIAGNOSIS
This vehicle is equipped with an electronic transmission control system, which controls the automatic shift up and
shift down timing, etc. suitably to vehicle driving conditions.
When diagnosing a trouble in the transmission including this system, follow "AUTOMATIC TRANSMISSION DIAG-
NOSTIC FLOW TABLE" given below to obtain correct result smoothly.
AUTOMATIC TRANSMISSION DIAGNOSTIC FLOW CHART
NOTE:
For the details of each step, refer to the following pages.
Vehicle brought to workshop
Perform CUSTOMER COMPLAINT ANALYSIS
Check DTC, record then clear
Perform VISUAL INSPECTION
Follow PROBLEM SYMPTOM CONFIRMATION
Perform AUTOMATIC TRANSMISSION BASIC CHECK LIST
Recheck DTC
Trouble code (other than DTC 12) Normal code (DTC 12)
Follow DTC TABLE Follow TROUBLE DIAGNOSIS TABLE
Perform FINAL CONFIRMATION TEST
Trouble still present
Trouble fixed
END