Suzuki GRAND VITARA XL-7 Service Manual

AUTOMATIC TRANSMISSION (4 A / T) 7B1-23
ELECTRICAL REPAIR (cont’d)
Condition Possible cause Correction
Higher or lower
Pressure control solenoid valve
circuit faulty
Inspect circuit for open, short and intermittent.
If NG, replace.
stall speed
TCM
Inspect referring to “DTC FLOW TABLE” of P0748
in this section. If NG, replace.
Higher or lower
Pressure control solenoid valve
circuit faulty
Inspect circuit for open, short and intermittent.
If NG, replace.
line pressure
TCM
Inspect referring to “DTC FLOW TABLE” of P0748
in this section. If NG, replace.
Excessive “N” !
“
D
”
or
“
N
”
!
“
R
”
Pressure control solenoid valve
circuit faulty
Inspect circuit for open, short and intermittent.
If NG, replace.
D
or
N
!
R
time lag
TCM
Inspect referring to “DTC FLOW TABLE” of P0748
in this section. If NG, replace.
TROUBLE DIAGNOSIS TABLE 2
ON-VEHICLE REPAIR
Condition Possible cause Correction
Unable to run in all range
Defective manual valve Replace.
Unable
to
run
in
all
range
Clogged oil strainer Wash strainer.
Poor 1 ! 2 shift, excessive shock or
Defective shift solenoid-B valve Inspect. If NG, replace.
slippage
Defective valve body component Replace valve body assembly.
Poor 2 ! 3 shift, excessive shock or
Defective shift solenoid-A valve Inspect. If NG, replace.
slippage
Defective valve body component Replace valve body assembly.
Poor 3 ! O/D shift, excessive
Defective shift solenoid-B valve Inspect. If NG, replace.
shock or slippage
Defective valve body component Replace valve body assembly.
Defective shift solenoid-A or -B
Ins
p
ect If NG re
p
lace
Defective output shaft speed sensor
Ins ect
.
If
NG
,
re lace
.
Incorrect shift point
Defective acceleration stroke sensor
Inspect referring to Section 6E3.
If NG, replace.
Defective valve body component Replace valve body assembly.
Defective TCC solenoid valve Inspect. If NG, replace.
Defective valve body component Replace valve body assembly.
Defective input shaft speed sensor
Defective output shaft speed sensor
Defective 4WD low switch
Inspect. If NG, replace.
Non operate TCC (lock-up) system
Defective transmission fluid
temperature sensor
Defective acceleration stroke sensor
Inspect referring to Section 6E3.
If NG, replace.
Defective stop light switch
Inspect referring to Section 5.
If NG, replace.
Excessive “N” ! “D” or “N” ! “R”
Defective pressure control solenoid
valve
Inspect. If NG, replace valve
body assembly.
time lag
Defective primary regulator valve Replace valve body assembly.
Clogged oil strainer Wash strainer.

Suzuki GRAND VITARA XL-7 Specifications

General

Brand	Suzuki
Model	GRAND VITARA XL-7
Category	Automobile
Language	English