Chery B11. Manual — part 222

Chery·Maintenance Manual for Oriental Son

Automatic Transmission

Ignition switch:
The ignition switch transmits the signals to
A/T-ECU for the working voltage.


















Input/output shaft rotation speed sensor

and

speed

d

unction: both the input shaft sensor and

utput shaft sensor shall be Hall sensors.

he input shaft rotation speed sensor can

easure the turbo speed on UD clutch

haft rotation speed

ensor can measure the driving gear speed of

e transfer case located on the driven gear

f the transfer case.

Both the rotation speed sensors of input
output shafts are located on the transmission
axle body. The input shaft rotation
sensor is on one side of the input shaft, an
the output shaft rotation speed sensor is on
one side of output shaft..







F

插头

霍尔元件

o
T
m
localizer and output s
s
th
o

56

Chery·Maintenance Manual for Oriental Son

Automatic Transmission

System circuit:

ircuit operation: introduction

s the input and output shaft rotation speed

ensors are working in the same way, only

ation spe

ibed here.

ed by the ignition switch (Terminal 3)

ounded through A

CU provides a 5V

o input

otation speed sen

inal 2).

ase of closed an

ircuit

the input shaft

nals.

clutch localizer

asses by the electromagnetic probe of the

ensor.

an measure the engine rotation speed by the
rank sprocket wheel. It is usually located

ehind the belt wheel of front crank.

rank angle sensor is powered by MPI relay

erminal 3) and grounded through the car

ody (Terminal 1). A/T-ECU provides a 5V

r (Terminal 2).

ial behind the crank sprocket

behind the crank sprocket

heel passes, the sensor (transistor) is

onnected and disconnected.

C
A
s
input shaft rot

ed sensor is

descr
The input shaft rotation speed sensor is
power
and gr

/T-ECU.

A/T-E

voltage t

shaft r

sor (Term

In the c

d grounded c

with the output terminal,
rotation speed sensor gives out pulse sig
The sensor will be actuated whenever the
tooth of the underdrive
p
s





Crank angle sensor




Function:
System circuit
Circuit operation: The crank angle sensor
c
c
b
C
(T
b
voltage to crank angle senso
When the d
wheel passes, the Hall sensor closes and
opens the base circuit on the transistor.
When the dial
w
c

曲轴转角传感器

57

Chery·Maintenance Manual for Oriental Son

Automatic Transmission

Temperature

Resistance (k

Ω)

0°C

16.7 – 20.5

20°C

7.3 – 8.9

40°C

3.4 – 4.2

60°C

1.9 – 2.1

80°C

1.0 – 1.2

100°C

0.57 – 0.69

Throttle position sensor
By using the potentiometer, the throttle
position meter can measure the position of

nce

put terminal (Terminal 2)

nd grounding terminal (Terminal 4) will

crease with the rotation speed.

he voltage on Needle 45 will increase from

bout 0.7V when the throttle is fully closed

n.

/

unction:

/T oil temperature sensor is installed on

d can measure ATF

the accelerator pedal.







When the throttle shaft turns from idle speed
position to fully open position, the resista
between TPS out
a
in
T
a
to about 5V when the throttle is fully ope






A T oil temperature sensor
F
A
the valve body an
temperature.



A/T oil temperature sensor and its plug form
one independent device which uses one
negative temperature coefficient (NTC)

thermally sensitive resistor. The resistance
will decease with the increase of
temperature.

AT 油温传感器

58

Chery·Maintenance Manual for Oriental Son

Automatic Transmission

System circuit

/T-ECU (Terminal 44) provides a 5V

oltage to the output terminal (Terminal 1)

sensor.

or is a kind of

TC (negative temperature coefficient)

sistor, whose resistance decreases with the
crease of ATF temperature.

TF temperature sensor’s output voltage

creases and decreases with the resistance.

itch is located on

detect

–position swithch (Roadster-type A/T)

ystem circuit:

hen the ignition switch is on, the battery

l 55). When charged, A/T-ECU can

on.

n

/T-ECU can judge the

osition of the gear lever with the battery

upply a voltage to the corresponding

rminal (55, 68, 57, 67, 56 or 66).

A
v
of gearbox oil temperature
Grounding terminal (Terminal 2) is
grounded through A/T-ECU (Terminal 43).
Gearbox oil temperature sens
N
re
in
A
in




Inhibitor switch:
Function: the inhibitor sw

抑制开关

the body of transmission axle and can
the gear lever position with the help of a
contact switch.




4









S
W
will provide a voltage on the inhibitor
switch (Terminal 8).
When the gear lever is at P position, the
battery will provide a voltage on A/T-ECU
(Termina
recognize that the gear lever is at P positi
When the gear lever is at a different positio
(R, N, D, 3, 2 or L), A
p
s
te

59