Page 404 of 801

YH4
GRAND
VITARA
7B1-2 AUTOMATIC TRANSMISSION (4 A / T)
DTC P0753 Shift Solenoid-A (#1)
Electrical 7B1-50. . . . . . . . . . . . . . . . . . . . . . . . .
DTC P0758 Shift Solenoid-B (#2)
Electrical 7B1-50. . . . . . . . . . . . . . . . . . . . . . . . .
DTC P1875 4WD Low Switch Circuit
Malfunction 7B1-52. . . . . . . . . . . . . . . . . . . . . . .
Line Pressure Test 7B1-54. . . . . . . . . . . . . . . . . .
Stall Test 7B1-55. . . . . . . . . . . . . . . . . . . . . . . . . .
Road Test 7B1-56. . . . . . . . . . . . . . . . . . . . . . . . .
Manual Road Test 7B1-57. . . . . . . . . . . . . . . . . .
Time Lag Test 7B1-57. . . . . . . . . . . . . . . . . . . . . .
Engine Brake Test 7B1-58. . . . . . . . . . . . . . . . . .
ªPº Range Test 7B1-58. . . . . . . . . . . . . . . . . . . . .
ON-VEHICLE SERVICE7B1-59 . . . . . . . . . . . . . . . .
MAINTENANCE SERVICE 7B1-59. . . . . . . . . . . .
Fluid Level 7B1-59. . . . . . . . . . . . . . . . . . . . . . . . .
Fluid Change 7B1-60. . . . . . . . . . . . . . . . . . . . . .
Oil Cooler Hoses 7B1-61. . . . . . . . . . . . . . . . . . .
A / T THROTTLE CABLE 7B1-61. . . . . . . . . . . . . . .
MANUAL SELECTOR ASSEMBLY 7B1-62. . . . .
SELECT CABLE 7B1-63. . . . . . . . . . . . . . . . . . . . . TRANSMISSION RANGE SWITCH 7B1-64. . . . .
A/T OUTPUT SPEED SENSOR 7B1-64. . . . . . . .
O / D CUT SWITCH 7B1-64. . . . . . . . . . . . . . . . . . .
SOLENOID VALVES 7B1-64. . . . . . . . . . . . . . . . . .
THROTTLE POSITION SENSOR 7B1-66. . . . . . .
POWER / NORMAL CHANGE SWITCH 7B1-66. .
OIL COOLER PIPES 7B1-67. . . . . . . . . . . . . . . . . .
BRAKE INTERLOCK SYSTEM 7B1-68. . . . . . . . .
Shift Lock Solenoid Control 7B1-68. . . . . . . . . .
Shift Lock Solenoid Control Operations 7B1-68
Shift Lock (Solenoid) Manual Release 7B1-69.
System Inspection 7B1-69. . . . . . . . . . . . . . . . . .
KEY INTERLOCK CABLE 7B1-71. . . . . . . . . . . . .
DISMOUNTING OF TRANSMISSION
(WITH TRANSFER IF EQUIPPED) 7B1-74. . . .
REMOUNTING 7B1-77. . . . . . . . . . . . . . . . . . . . . . .
UNIT REPAIR7B1-78 . . . . . . . . . . . . . . . . . . . . . . . . .
TIGHTENING TORQUE
SPECIFICATIONS7B1-78 . . . . . . . . . . . . . . . . . . . .
REQUIRED SERVICE MATERIALS7B1-79 . . . . . .
SPECIAL TOOLS7B1-79 . . . . . . . . . . . . . . . . . . . . . .
Page 408 of 801
YH4
GRAND
VITARA
7B1-6 AUTOMATIC TRANSMISSION (4 A / T)
Element
Shift
position
TABLE OF COMPONENT OPERATION
SolenoidSolenoidO/DForwardDirect clutchO/DSecondSecondReverse brakeO/DOne-wayOne-wayvalve
No. 1±Avalve
No. 1±BO/DclutchForwardclutchInner
pistonOuter
pistonO/Dbrakecoast
brakeSecondbrakeInner
pistonOuter
pistonone-way
clutchyclutch
No. 1yclutch
No. 2
PX±±±±±±±±±±
RX±±±±±±
NX±±±±±±±±±±
1st gearX±±±±±±±±
D2nd gear±±±±±±±D3rd gearX±±±±±±±
O/DXX±±±±±±±±
1st gearX±±±±±±±±
22nd gear±±±±±±±2
3rd gear
(Fail safe)X±±±±±±±
1st gearX±±±±±±±
L2nd gear
(Fail safe)±±±±±±±
: ON, X: OFF
Page 409 of 801
YH4
GRAND
VITARA
Engine
Vehicle speed
sensor
Throttle position
sensor
ECT sensor
Cruise control
module
(if equipped)Torque converter Planetary gear
Final gear
reduction unit
Oil pump
Shift and TCC
solenoid valvesClutch and brake
Control valve
ªO / D OFFº lamp
ªPOWERº lamp
MILTransmission range
switch
O / D cut switch
P / N change switch
Transfer 4L switch
(if equipped)
CMP sensor Powertrain (engine) control module
Power transmission
Fluid pressure circuit
Electric signalInput speed sensor Brake pedal switch
Output speed sensor
AUTOMATIC TRANSMISSION (4 A / T) 7B1-7
ELECTRONIC SHIFT CONTROL SYSTEM
The gear ratio change in ªDº or ª2º range and torque converter clutch operation are controlled by Powertrain (En-
gine) Control Module.
Page 412 of 801

YH4
GRAND
VITARA
7B1-10 AUTOMATIC TRANSMISSION (4 A / T)
Shift the select
lever with its
button pushed
in.
Shift the select
lever without
pushing its
button.
RANGE
GEAR
SOLENOIDS
Fail Safe Function
This function is provided by the safe mechanism that assures safe driveability even when the shift solenoid valve
or speed sensor fails.
The table below shows the gear position in each shift under a normal/abnormal condition.
Condition
Shift position
Normal
Shift solenoid
valve-A(#1)
abnormalShift solenoid
valve-B(#2)
abnormalShift solenoid
valves-A&B
(#1 and #2) abnormal
1st1st
D2nd3rdO/DD3rdO/DO/D
O/DO/D
1st1st
22nd3rd3rd3rd
(3rd)3rd
L1st1st1st1stL(2nd)(2nd)1st1st
Change Mechanism
The same select pattern shift lever is used as the floor type and fre-
quently used ªNº and ªDº ranges are made selectable freely.
Operation of Shift Solenoids and TCC Solenoid
D2LP, N & R
1st2nd3rd4th
(O / D)1st2nd1stÐ
Shift solenoid-A (#1, NO.1)
Shift solenoid-B (#2, NO.2)
TCC solenoid
: ON (valve is open): OFF (valve is closed)
Page 413 of 801

YH4
GRAND
VITARA
Gear Shift Diagram
TCC Lock-up Diagram
Vehicle speedUpshift
Downshift
Throttle valve opening
Vehicle speed
Throttle valve opening
TCC ON
TCC OFF 4th
gear
3rd
gear(km / h)
(km / h)
AUTOMATIC TRANSMISSION (4 A / T) 7B1-11
AUTOMATIC GEAR SHIFT DIAGRAM
Automatic shift schedule as a result of shift control is shown below. In case that select lever is shifted to L at a higher
than 52 km / h or 33 mile / h speed for G16 engine (45 km / h or 28 mile / h for J20 engine, 55 km / h or 34 mile / h for
H25 engine), 2nd or 3rd gear is operated and then down shifts to 1st at a speed lower than that. No up shift is
available in L.
The same as, the select lever is shifted to 2 at a higher than 102 km/h (64 mile/h) speed for G16/J20 engines (105
km / h or 65 mile / h for H25 engine), 3rd gear is operated and then down shifts to 2nd at a speed lower than that.
Power Mode For G16 EngineUnit: km / h
(mile/h)
Shift
Throttle opening
122334433221
Full throttle49
(30)94
(58)153
(95)124
(77)85
(53)43
(27)
Closed throttle18
(11)36
(23)48
(30)40
(25)29
(18)7
(4)
Page 414 of 801
YH4
GRAND
VITARA
Gear Shift Diagram
TCC Lock-up Diagram
Vehicle speedUpshift
Downshift
Throttle valve opening
Vehicle speed
Throttle valve opening
TCC ON
TCC OFF 4th
gear3rd
gear(km / h)
(km / h)
7B1-12 AUTOMATIC TRANSMISSION (4 A / T)
Normal Mode For G16 EngineUnit: km / h
(mile/h)
Shift
Throttle opening
122334433221
Full throttle45
(28)94
(58)136
(85)124
(77)74
(46)39
(24)
Closed throttle14
(9)32
(20)45
(28)35
(22)29
(18)7
(4)
Page 415 of 801
YH4
GRAND
VITARA
Gear Shift Diagram
TCC Lock-up Diagram
Throttle valve opening
Vehicle speedUpshift
Downshift
Throttle valve opening
Vehicle speed3rd
gear
4th
gear
TCC ON
TCC OFF(km / h)
(km / h)
AUTOMATIC TRANSMISSION (4 A / T) 7B1-13
Power Mode For J20 EngineUnit: km / h
(mile/h)
Shift
Throttle opening
122334433221
Full throttle50
(31)98
(61)Ð135
(84)84
(52)46
(29)
Closed throttle18
(11)33
(21)50
(31)44
(27)26
(16)8
(5)
Page 416 of 801
YH4
GRAND
VITARA
Gear Shift Diagram
TCC Lock-up Diagram
Upshift
Downshift
Throttle valve opening
Vehicle speed
Throttle valve opening
3rd
gear
4th
gear
TCC ON
TCC OFF
Vehicle speed(km / h)
(km / h)
7B1-14 AUTOMATIC TRANSMISSION (4 A / T)
Normal Mode For J20 EngineUnit: km / h
(mile/h)
Shift
Throttle opening
122334433221
Full throttle50
(31)98
(61)147
(91)135
(84)84
(52)42
(26)
Closed throttle11
(7)27
(17)40
(25)37
(23)24
(15)8
(5)