Programming and Relearning

TCM Initialization and Learning Control

In this operation, perform initialization procedure before performing learning control procedure.

NOTE:

After replacing the TCM, CVT assembly or valve body assembly, failure to initialize the learned values in the memory of the existing or new TCM could result in excessive shift shocks.

Always initialize the learned values stored in the TCM according to the procedure described below after replacement of the TCM, CVT assembly or valve body assembly.

NOTE:

When replacing TCM with new one and CVT assembly or TCM with new one and valve body assembly at the same time, be sure to follow the procedure below.

When having replaced TCM and CVT assembly or TCM and valve body assembly at the same time according to the procedure other than the below, perform initialization procedure [B].

1 Replace CVT assembly or valve body assembly. (Do not change ignition mode to "ON".)
2 Replace TCM. (Do not change ignition mode to "ON".)
3 Perform initialization procedure [A].

Initialization Procedure

1) Select initialization procedure from table below.






2) Perform selected initialization procedure as follows.

Initialization procedure [A]:
a) Push engine switch to change ignition mode to "ON" and shift select lever to "P" range.
b) Check that the shift position indicated in information display comes on in approx. 2 sec. after engine switch is pressed to change ignition mode to "ON". If the shift position does not come on, check the following items:
- Check for open or shorted to ground in wiring harness between TCM and ROM in valve body assembly. Inspection of TCM and Its Circuits
- Check for proper terminal connection to TCM connector and solenoid connector.
Initialization procedure [B]:
c) Confirm that ignition mode of keyless push start system is in "OFF" and connect SUZUKI scan tool to DLC (1).
Special Tool

(A): SUZUKI scan tool (SUZUKI-SDT)





d) Push engine switch to change ignition mode to "ON".
e) Select "Learning Value Initialization" function under "Utility" mode on SUZUKI scan tool, and follow the instructions displayed on SUZUKI scan tool.
f) Push engine switch to change ignition mode to "OFF" and leave ignition mode in "OFF" for 10 sec.
g) Shift select lever to "P" range.
h) Check that the shift position indicated in information display comes on in approx. 2 sec. after engine switch is pressed to change ignition mode to "ON". If the shift position does not come on, check the following items:
- Check wiring harness between TCM and ROM in valve body assembly for open circuit or short circuit to ground. Inspection of TCM and Its Circuits
- Check for proper terminal connection to TCM connector and solenoid connector.

Learning Control Procedure

NOTE:

To perform the learning function normally, follow instructions below:

- When operating the select lever, hold it for more than 2 sec. in each position.
- Do not shift the select lever from "N" range to other positions until specified idle engine speed is obtained.

Cold condition

1) Select "Data List" mode on SUZUKI scan tool.
2) Cool down CVT fluid to ambient temperature.
3) Start engine.
4) Depress brake pedal fully and repeat shift operation from "N" range to "D" range, and from "N" range to "R" range 3 times for each gear shift. If excessive shift shock is observed, repeat this operation 10 times.
5) Depress brake pedal fully at idle speed and hold in "D" range for 20 sec.
6) Drive vehicle so that CVT fluid temperature reaches 40 °C (104 °F)
7) Drive vehicle at 40 - 50 km/h (25 - 31 mile/h) constantly for 5 sec. in "D" range.

Hot condition

8) Drive vehicle so that CVT fluid temperature reaches 80 °C (176 °F)
9) Depress brake pedal fully and repeat shift operation from "N" range to "D" range and from "N" range to "R" range 3 times each. If excessive shift shock is observed, repeat this operation 10 times.
10) Depress brake pedal fully at idle speed and hold in "D" range for 20 sec.
11) Drive vehicle at 40 - 50 km/h (25 - 31 mile/h) constantly for 5 sec. in "D" range.