Suzuki SWIFT RS415 2017, Service Manual

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Automatic Transmission: 5A-7
{ : ON
u
: OFF
U
: ON only when TCC is operating
A/T Diagnosis General Description
S4RS0A5101005
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 Description: ” and each
item in “Precautions in Diagnosing Trouble: ” and
execute diagnosis according to “A/T System Check: ” to
obtain correct result smoothly.
On-Board Diagnostic System Description
S4RS0A5101006
For automatic transaxle control system, TCM has the
following functions.
• When TCM detects a malfunction in A/T control
system, TCM desire turning on malfunction indicator
lamp (MIL) (1) and stores malfunction DTC in TCM
memory.
• It is possible to communicate with TCM through data
link connector (DLC) (2) by using scan tool (3).
(Diagnostic information can be checked and erased
by using scan tool.)
Warm-Up Cycle
A warm-up cycle means sufficient vehicle operation such
that the coolant temperature has risen by at least 22
q
C
(40
q
F) from engine starting and reaches a minimum
temperature of 70
q
C (160
q
F).
D
1st { {
u
{
u u
2nd {
u u
{
u u
3rd
u u
U { {
u
4th
u
{ U
u
{
u
2
1st { {
u
{
u u
2nd {
u u
{
u u
L 1st { {
u
{
u u
Selector
position Gear
position
Part
Shift solenoid
valve-A (No.1)
Shift solenoid
valve-B (No.2)
TCC solenoid
valve
Forward
clutch
Direct clutch
Reverse
clutch
Selector
position
Gear
position
Part
O/D and 2nd
coast brake
2nd brake
1st and
reverse brake
One-way No.1
clutch
One-way No.2
clutch
P Parking
u u u u u
R Reverse
u u
{
u u
N Neutral
u u u u u
D
1st
u u u u
{
2nd
u
{
u
{
u
3rd
u
{
u u u
4th { {
u u u
2
1st
u u u u
{
2nd { {
u
{
u
L 1st
u u
{
u
{
2
3
1
I4RS0A510002-