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