Suzuki Wagon R Manual page 1591

7B-24 AUTOMATIC TRANSMISSION (4 A/T)
DTC check
1) Turn ignition switch OFF.
2) Connect SUZUKI scan tool to data link connector (DLC) (1)
located on underside of instrument panel at driver's seat
side.
Special tool
(A) : SUZUKI scan tool
3) Turn ignition switch ON.
4) Read DTC according to instructions displayed on SUZUKI
scan tool and print it or write it down. Refer to SUZUKI scan
tool operator's manual for further details.
5) After completing the check, turn ignition switch OFF and dis-
connect SUZUKI scan tool from data link connector (DLC)
(1).
DTC clearance
1) Turn ignition switch OFF.
2) Connect it to data link connector (DLC) (1) located on under-
side of instrument panel at driver's seat side.
Special tool
(A) : SUZUKI scan tool
3) Turn ignition switch ON.
4) Erase DTC according to instructions displayed on scan tool.
Refer to SUZUKI scan tool operator's manual for further
details.
5) After completing the clearance, turn ignition switch OFF and
disconnect scan tool from data link connector (DLC) (1).