Suzuki WagonR+ RB310 Service Manual page 2732

AUTOMATIC TRANSMISSION (4 A/T)
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
ELECTRONIC SHIFT CONTROL
SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . .
DIAGNOSIS
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Trouble Diagnosis Table
Stall Test . . . . . . . . . . . . . . . . . . . . . . . . . .
Time Lag Test . . . . . . . . . . . . . . . . . . . . . .
Line Pressure Test . . . . . . . . . . . . . . . . . .
Engine Brake Test . . . . . . . . . . . . . . . . . .
"P" Range Test . . . . . . . . . . . . . . . . . . . . .
ELECTRONIC CONTROL SYSTEM
DIAGNOSIS . . . . . . . . . . . . . . . . . . . . . . . . . . .
Precautions in Diagnosing Troubles
Diagnostic Trouble Code(s) Check
Diagnostic Trouble Code(s) (DTC)
Clearance . . . . . . . . . . . . . . . . . . . . . . . . . .
Diagnostic Trouble Code (DTC) Table
TCM Power and Ground Circuit Check
DTC 14 Input Rev. Sensor Signal
DTC 18 Input Rev. Sensor, A/T VSS
or A/T Itself . . . . . . . . . . . . . . . . . . . . . . . .
DTC 21 Shift Solenoid No. 1
DTC 23 Shift Solenoid No. 2
DTC 25 Lock-up Solenoid
DTC 22 Shift Solenoid No. 1
DTC 24 Shift Solenoid No. 2
DTC 26 Lock-up Solenoid
DTC 29 Lock-up Clutch
SECTION 7B
CONTENTS
. . . . . . . . . . . . . . 7B- 3
7B- 7
7B-14
. . . . . . . . . . . . . . . 7B-18
7B-20
7B-21
7B-21
7B-22
7B-23
7B-24
. . . . . 7B-24
. . . . . . 7B-25
7B-27
. . . 7B-28
. . 7B-29
. . . . . . . 7B-30
7B-31
. . . . . . . . . . . 7B-32
. . . . . . . . . . . 7B-32
. . . . . . . . . . . . . 7B-32
. . . . . . . . . . . 7B-34
. . . . . . . . . . . 7B-34
. . . . . . . . . . . . . 7B-34
. . . . . . . . . . . . . . . 7B-35
AUTOMATIC TRANSMISSION (4 A / T) 7B-1
DTC 31 A/T VSS . . . . . . . . . . . . . . . . . . . . .
DTC 32 Throttle Position Signal
DTC 33 Throttle Position Signal
DTC 34 Shift Switch . . . . . . . . . . . . . . . . . .
DTC 35 Engine Rev. Signal
DTC 36 A/T Fluid Temperature Signal
DTC 38 A/T Fluid Temperature Signal
DTC 43 Shift Solenoid No.3
DTC 45 Shift Solenoid No.4
DTC 48 Shift Solenoid No.5
DTC 51 Engine Coolant Temperature
Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC 52 Power Source Relay in TCM
Inspection of TCM and Its Circuits
ON-VEHICLE SERVICE
MAINTENANCE SERVICE
Fluid Level . . . . . . . . . . . . . . . . . . . . . . . . .
Fluid Change Intervals
Changing Fluid . . . . . . . . . . . . . . . . . . . . .
SELECTOR LEVER . . . . . . . . . . . . . . . . . .
SHIFT SWITCH . . . . . . . . . . . . . . . . . . . . . .
SELECTOR CABLE . . . . . . . . . . . . . . . . . .
A/T VSS . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INPUT REV. SENSOR
VSS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
THROTTLE POSITION SENSOR
ECT SENSOR . . . . . . . . . . . . . . . . . . . . . . .
MAP SENSOR . . . . . . . . . . . . . . . . . . . . . . .
7B-36
. . . . . . . . 7B-38
. . . . . . . . 7B-39
7B-40
. . . . . . . . . . . . 7B-42
. . . 7B-43
. . . 7B-43
. . . . . . . . . . . . 7B-44
. . . . . . . . . . . . 7B-44
. . . . . . . . . . . . 7B-44
7B-46
. . . . 7B-47
. . . . 7B-48
. . . . . . . . . . . . . . . . 7B-50
. . . . . . . . . . . . 7B-50
7B-50
. . . . . . . . . . . . . . 7B-51
7B-51
7B-52
7B-53
7B-55
7B-57
. . . . . . . . . . . . . . . . 7B-57
7B-58
. . . . . . . 7B-58
7B-58
7B-58
7B