Chery A15. Manual — part 138

ENGINE ELECTRICAL FUEL INJECTION SYSTEM

Marelli Electronic Fuel Injection System-New Camshaft+ New Standard:

Parameters

Normal value

Minimal value Maximal value

Engine Rotation Speed

(rpm)

880 (when air

conditioner is turned of)

850 910

Water Temperature (℃) >80

Throttle opening angle

(°)

Accelerator is released 0

0

0.6

Fuel injection duration (ms)

4.2ms (when air

conditioner is turned of)

3.4ms 4.7ms

In-take Pressure (mbar)

390mbar

340mbar

450mbar

Storage battery voltage

(V)

14 13

15

Oxygen sensor voltage

(mV)

Sinusoidal periodical

change

100mV 900mV

Steps of Stepping Motor

(step)

70 50

90

TD-12

UAES M7 Electronic Fuel Injection System:

Parameter name

Value

Unit

Storage battery voltage (V)

14∽15 V

Engine Rotation Speed

850±50 rpm

Temperature of cooling fluid, sensor

voltage

0.9∽1.1 V

Temperature of cooling fluid

85∽95

℃

In-take temperature sensor voltage

1.5∽2.8 V

In-take temperature

30-60

℃

In-take pressure sensor voltage

1.2-1.4

V

In-take pressure

40-50

KPa

Stepping motor target position

20∽100 Step

Fuel injection pulsation width

3∽4 ms

Advance angle of ignition

3∽9

º

Oxygen sensor voltage

100-900

mv

Throttle opening angle voltage

0.35-0.50

V

CLUTCH

Item Specification

Clutch

d l

Pedal stroke mm

150~165

Clutch

Run out limit mm

0.25

Standard mm

1.5

Rivet head dent

depth

Service mm

0.5

Clutch disc

Run out limit

0.8

Maximum clearance of flatness of flywheel

0.05

Flywheel

Service limit

0.15

TD-13

MANUAL TRANSAXLE

Gearbox AQ015

Main 4.133

1

st

3.455

2

nd

2.056

3

rd

1.370

4

th

1.032

5

th

0.850

Reverse 3.167

Gear ratio

Speedometer 2.286

Volume of Lubrication oil

2.0L

Type of oil

GL-4 SAE75

Operation method

Mechanical type

Diameter of driven disk of clutch

210mm

Diameter of flange of driving shaft

100mm

Overall gear ratio at 5

th

gear

3.513

Max input torque

132.5 N.m

Max input rotating speed

6300 r/min

TD-14

HEATER AND AIR CONDITIONER SYSTEMS

Item Specification

REFRIGERANT SYSTEM

Type R-134

Refrigerant

Regular amount (g)

850±25

BASIC SYSTEM

Number of cylinders

7

Cylinder diameter (mm)

29.3

Max

34.2

Stroke (mm)

Min

2.2

Max

161.3

Displacement (cm³/r)

Min

10.4

Max instantaneous rotation speed allowed(r/min)

8000

Max continuous rotation speed allowed (r/min)

7000

Cooling oil volume (cm³)

115±15

Rated voltage (V)

12

A/C compressor

Rated power (W)

48

CONTROL SYSTEM

Clearance (mm)

0.4~0.8

Magnetic clutch

Mass (kg)

2.2

TD-15