Suzuki WagonR+ RB310 Service Manual page 1412

AUTOMATIC TRANSMISSION (4 A/T)
WARNING:
For vehicles equipped with Supplemental Restraint (Air Bag) System :
• Service on and around the air bag system components or wiring must be performed only by an
authorized SUZUKI dealer. Refer to "Air Bag System Components and Wiring Location View" under
"General Description" in air bag system section in order to confirm whether you are performing ser-
vice on or near the air bag system components or wiring. Please observe all WARNINGS and "Ser-
vice Precautions" under "On-Vehicle Service" in air bag system section before performing service
on or around the air bag system components or wiring. Failure to follow WARNINGS could result in
unintentional activation of the system or could render the system inoperative. Either of these two
conditions may result in severe injury.
• Technical service work must be started at least 90 seconds after the ignition switch is turned to the
"LOCK" position and the negative cable is disconnected from the battery. Otherwise, the system
may be activated by reserve energy in the Sensing and Diagnostic Module (SDM).
NOTE:
For the descriptions (items) not found in this section, refer to the same section of the Service Manual
mentioned in FOREWORD of this manual.
General Description ........................................7B-3
Specifications ................................................7B-4
Functions.......................................................7B-5
Table of Component Operation .....................7B-5
Electronic Shift Control System.....................7B-6
Transmission control module (TCM) .........7B-7
Fail safe function .......................................7B-8
Operation of shift solenoid valves and
TCC solenoid valve .................................7B-10
Automatic gear shift diagram...................7B-11
Diagnosis .......................................................7B-12
Automatic Transmission Diagnostic Flow
Table ...........................................................7B-12
Trouble Diagnosis Table .............................7B-17
Trouble diagnosis table-1 ........................7B-17
Trouble diagnosis table-2 ........................7B-18
Stall test...................................................7B-19
Time lag test............................................7B-20
Line pressure test....................................7B-21
Engine brake test ....................................7B-22
"P" range test...........................................7B-22
Electronic Control System Diagnosis ..........7B-23
Precautions in diagnosing troubles .........7B-23
DTC check...............................................7B-24
DTC clearance ........................................7B-24
DTC table ................................................7B-25
TCM power and ground circuit check......7B-26
SECTION 7B
CONTENTS
DTC P0715 Input/turbine speed
sensor circuit malfunction........................ 7B-27
DTC P0730 Incorrect gear ratio .............. 7B-29
DTC P0753 Shift solenoid-A (No.1)
electrical .................................................. 7B-31
DTC P0758 Shift solenoid-B (No.2)
electrical .................................................. 7B-31
DTC P0743 TCC (lock-up) system
electrical .................................................. 7B-31
DTC P0741 TCC (lock-up) solenoid
performance or stuck OFF ...................... 7B-33
DTC P0720 Output shaft speed sensor
circuit malfunction ................................... 7B-34
DTC P1700 Throttle position signal
input malfunction ..................................... 7B-37
DTC P0705 Transmission range sensor
(switch) circuit malfunction ...................... 7B-39
DTC P0725 Engine speed input circuit
malfunction.............................................. 7B-41
DTC P0710 Transmission fluid
temperature sensor circuit
malfunction.............................................. 7B-43
DTC P0763 Shift solenoid-C (No.3)
electrical .................................................. 7B-45
DTC P0768 Shift solenoid-D (No.4)
electrical .................................................. 7B-45
DTC P0773 Shift solenoid-E (No.5)
electrical .................................................. 7B-45
AUTOMATIC TRANSMISSION (4 A/T) 7B-1
7B
8E
9
10
10A
10B