AUTOMATIC TRANSMISSION (4 A/T) 7B1-1
7B1
SECTION 7B1
AUTOMATIC TRANSMISSION (4 A/T)
CONTENTS
General Description ......................................7B1-3
Electronic Shift Control System...................7B1-4
Automatic gear shift diagram...................7B1-5
Diagnosis .......................................................7B1-7
On-Board Diagnostic System
(Vehicle without monitor connector) ............7B1-7
On-Board Diagnostic System
(Vehicle with monitor connector).................7B1-8
Precaution in Diagnosing Trouble ...............7B1-9
Automatic Transmission Diagnostic Flow
Table .........................................................7B1-10
Malfunction Indicator Lamp (MIL) Check...7B1-13
“O/D OFF” Lamp Check ............................7B1-13
“POWER” Lamp Check .............................7B1-13
Diagnostic Trouble Code (DTC) Check.....7B1-13
Diagnostic Trouble Code Clearance .........7B1-13
Diagnostic Trouble Code Table.................7B1-14
Fail Safe Table ..........................................7B1-14
Visual Inspection .......................................7B1-14
A/T Basic Check........................................7B1-14
Trouble Diagnosis Table 1 ........................7B1-15
Trouble Diagnosis Table 2 ........................7B1-15
Trouble Diagnosis Table 3 ........................7B1-16
Scan Tool Data .........................................7B1-17
Inspection of PCM and Its Circuit..............7B1-17
Wire Harness and Connectors.................. 7B1-17
Table A-1 : No TCC Lock-Up Occurs........ 7B1-18
Table A-2 : No Gear Shift to O/D .............. 7B1-20
Table B-1 : “O/D OFF” Light Circuit Check
(“O/D OFF” Light Doesn’t Light at Ignition
Switch ON But Engine Starts Up) ............. 7B1-22
Table B-2 : “O/D OFF” Light Circuit Check
(“O/D OFF” Light Comes ON Steadily) ..... 7B1-23
Table B-3 : “POWER” Light Circuit Check
(“POWER” Light Doesn’t Light at Ignition
Switch ON But Engine Starts Up) ............. 7B1-24
Table B-4 : “POWER” Light Circuit Check
(“POWER” Light Comes ON Steadily) ...... 7B1-25
DTC P0705 (DTC NO.72) - Transmission
Range Sensor (Switch) Circuit Malfunction7B1-26
DTC P0715 (DTC NO.76) - Input/Turbine
Speed Sensor Circuit Malfunction............. 7B1-29
DTC P0720 (DTC NO.75) Output Speed
Sensor Circuit Malfunction ........................ 7B1-32
DTC P0743 (DTC NO.65/66) -
TCC (Lock-Up) Solenoid Electrical ........... 7B1-34
DTC P0753 (DTC NO.61/62)
Shift Solenoid-A (#1) Electrical
DTC P0758 (DTC NO.63/64)
Shift Solenoid-B (#2) Electrical ................. 7B1-36
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.
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