Automatic Transmission - Suzuki sq-416-420-625 Service Manual

AUTOMATIC TRANSMISSION

WARNING:
For vehicles equipped with Supplemental Restraint (Air Bag) System:
D Service on and around the air bag system components or wiring must be performed only by an autho-
rized SUZUKI dealer. Refer to "Air Bag System Components and Wiring Location View" under "Gener-
al Description" in air bag system section in order to confirm whether you are performing service on
or near the air bag system components or wiring. Please observe all WARNINGS and "Service Precau-
tions" 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.
D 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).
GENERAL DESCRIPTION
CLUTCH /BRAKE FUNCTIONS
TABLE OF COMPONENT OPERATION
ELECTRONIC SHIFT CONTROL
SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . .
AUTOMATIC TRANSMISSION
DIAGNOSIS . . . . . . . . . . . . . . . . . . . . . . . . . .
PRECAUTION IN DIAGNOSING
TROUBLE . . . . . . . . . . . . . . . . . . . . . . . . . .
AUTOMATIC TRANSMISSION
DIAGNOSTIC FLOW TABLE
Customer Problem Inspection Form
Malfunction Indicator lamp (MIL)
Check . . . . . . . . . . . . . . . . . . . . . . . . . . .
"O/D OFF" Lamp Check
"POWER" Lamp Check
Diagnostic Trouble Code (DTC)
Check . . . . . . . . . . . . . . . . . . . . . . . . . . .
Diagnostic Trouble Code (DTC)
Clearance . . . . . . . . . . . . . . . . . . . . . . . .
Diagnostic Trouble Code (DTC) Table
Fail-Safe Table . . . . . . . . . . . . . . . . . . . . .
Visual Inspection . . . . . . . . . . . . . . . . . . .
A/T Basic Check . . . . . . . . . . . . . . . . . . .
Trouble Diagnosis Table 1
Trouble Diagnosis Table 2
SECTION 7B1
(4 A/T)
CONTENTS
. . . . . . . . . . . . . . 7B1- 3
. . . . . . . . . 7B1- 5
. . . 7B1- 6
7B1- 7
7B1-17
7B1-20
. . . . . . . . . . 7B1-21
. . . 7B1-23
7B1-24
. . . . . . . . . . . . . 7B1-24
. . . . . . . . . . . . . . 7B1-24
7B1-24
7B1-24
. . . 7B1-24
7B1-25
7B1-26
7B1-27
. . . . . . . . . . . 7B1-28
. . . . . . . . . . . 7B1-28
AUTOMATIC TRANSMISSION (4 A / T) 7B1-1
Trouble Diagnosis Table 3
Scan Tool Data . . . . . . . . . . . . . . . . . . . . .
Inspection of PCM and Its Circuit
Wire Harness and Connectors
Diagnostic Flow Table A-1
Diagnostic Flow Table A-2
Table B-1 "O/D OFF" Light Circuit
Check . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table B-2 "O/D OFF" Light Circuit
Check . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table B-3 "POWER" Light Circuit
Check . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table B-4 "POWER" Light Circuit
Check . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P0705 Transmission Range
Sensor (Switch) Circuit Malfunction
DTC P0715 Input/Turbine Speed
Sensor Circuit Malfunction
DTC P0720 Output Speed Sensor
Circuit Malfunction . . . . . . . . . . . . . . . . .
DTC P0741 TCC Solenoid Valve
Performance or Stuck Off
DTC P0743 TCC Solenoid Electrical
DTC P0751 Shift Solenoid Valve-A (#1)
Performance or Stuck Off
DTC P0756 Shift Solenoid Valve-B (#2)
Performance or Stuck Off
. . . . . . . . . . . 7B1-29
7B1-30
7B1
. . . . . 7B1-30
. . . . . . . . 7B1-30
. . . . . . . . . . . 7B1-31
. . . . . . . . . . . 7B1-33
7B1-35
7B1-36
7B1-37
7B1-38
. . 7B1-39
. . . . . . . . . . 7B1-42
7B1-44
. . . . . . . . . . . 7B1-46
. . 7B1-47
. . . . . . . . . . . 7B1-49
. . . . . . . . . . . 7B1-49