Suzuki Grand Vitara XL-7 Service Manual page 422

"O / D OFF"
lamp
ON
OFF
[Check DTC not using SUZUKI scan tool]
1) Turn ignition switch ON and make sure that "O/D OFF" lamp (1)
is OFF in combination meter (with O/D off switch OFF).
2) Turn ignition switch OFF.
O / D OFF
3) Remove steering column hole cover (4).
4) Using service wire, ground diagnosis switch terminal (2) of mon-
itor connector (1).
3. Ground terminal
5) Turn ignition switch ON.
6) Read DTC from flashing pattern of "O/D OFF" lamp (1).
7) After completing the DTC check, turn ignition switch OFF and
disconnect service wire from monitor connector (2).
O / D OFF
AUTOMATIC TRANSMISSION (4 A / T) 7B1-17