Chery B11. Manual - part 227

   

Chery·Maintenance Manual for Oriental Son

   

Automatic Transmission 

the first gear 
If the transmission ratio of the first gear does 

 

 at the 

Input shaft speed sensor fault 

 

ult 

ar fault 

not conform to the input of input shaft speed
sensor and the output of output shaft speed 
sensor is increased, then Code 41 will be 
output. If Code 41 is output for 4 times 
running, then the gearbox will be locked
third gear as a protection.  

Output shaft speed sensor fault
Deceleration clutch guard ring fa
Transfer case drive gear or driven ge
Low/reverse gear braking system fault 
Deceleration clutch system fault 
Noise interference 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Code 22 Non-conforming transmission ratio of 

Possible cause 

MUT-Ⅱ

iag code 

Is Troubleshooting Code 23 
output?  

Check output shaft speed 
sensor system (refer to 
Page 23-15) 

Replace input shaft speed sensor

Check fault symptoms 

A/T overhaul: replace 
deceleration clutch guard ring

Check fault symptoms 

 S-slfD

Eliminate noise interference 

Check fault sym toms 

p

A/T overhaul: replace transfer 
case drive gear and driven gear 

Check fault sym toms 

p

Eliminate noise interference 

Yes 

No 

No 

Abnormal 

Normal 

Normal 

Abnormal 

Abnormal 

Abnormal 

Ye

Abnor

Abnormal 

s 

MUT-Ⅱ S-slfDiag code 
Is Troubleshooting Code 
22 output? 

Check input shaft speed 
sensor system (refer to 
Page 23-14) 

Measure the output wave form of input shaft 
speed sensor with an oscilloscope  
Connect with connector B-68 and measure the 
voltage between A/T-ECU 31 and 43.  
Engine: 2,000rpm (about 50km/h) 
Gearbox: third gear 
Normal: e.g. one kind of wave form on Page 
23-42 (using the checking sequence of the 
oscilloscope) is output (fluctuate between 0 and
5V) and there is no noise interference for the 
wave form.  

Measure the output wave form of output shaft speed 
sensor  
Connect with connector B-68 and measure the voltage 
between A/T-ECU 32 and 43.  
Gearbox: third gear 
Normal: e.g. one kind of wave form on Page 23-42 
(using the checking sequence of the oscilloscope) is 
output (fluctuate between 0 and 5V) and there is no 
noise interference for the wave form. 

Replace output shaft speed sensor

A/T overhaul 
Check deceleration clutch system (Code 42 or 
43 is output or no troubleshooting code is 
output) 
Check low-speed and reverse gear braking 
system (Code 46 is output or no code is output)

76 

   

Chery·Maintenance Manual for Oriental Son

   

Automatic Transmission 

the second gear 
If the transmission ratio of the second gear 

 be 

 at the 

Input shaft speed sensor fault 

 

ult 

ar fault 

lt 

does not conform to the input of input shaft 
speed sensor and the output of output shaft 
speed sensor is increased, then Code 41 will
output. If Code 41 is output for 4 times 
running, then the gearbox will be locked
third gear as a protection.  

Output shaft speed sensor fault
Deceleration clutch guard ring fa
Transfer case drive gear or driven ge
Second or reverse gear braking system fault 
Deceleration clutch system fau
Noise interference 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Code 43 Non-conforming transmission ratio of 

Possible cause 

MUT-II S-slfDiag code 
Is Troubleshooting Code 22 
output? 

MUT-Ⅱ S-slfDiag code 
Is Troubleshooting Code 23 
output? 

Measure the output wave form of input shaft 
speed sensor with an oscilloscope  
Connect with connector B-71 and measure the 
voltage between A/T-ECU 31 and 43.  
Engine: 2,000rpm (about 50km/h) 
Gearbox: third gear 
Normal: e.g. one kind of wave form on Page 
23-42 (using the checking sequence of the 
oscilloscope) is output (fluctuate between 0 and
5V) and there is no noise interference for the 
wave form.  

Measure the output wave form of output shaft 
speed sensor  
Connect with connector B-68 and measure the 
voltage between A/T-ECU 32 and 43.  
Gearbox: third gear 
Normal: e.g. one kind of wave form on Page 
23-42 (using the checking sequence of the 
oscilloscope) is output (fluctuate between 0 and
5V) and there is no noise interference for the 
wave form. 

A/T overhaul 
Check deceleration clutch system (Code 41 or 
43 is output or no troubleshooting code is 
output) 
Check second-gear braking system (Code 44 is 
output or no code is output) 

Check input shaft speed sensor 
system (refer to Page 23-14) 

Check output shaft speed sensor 
system (refer to Page 23-15) 

Replace input shaft speed sensor 

Check fault symptoms 

A/T overhaul: replace deceleration clutch 
guard ring

Check fault symptoms 

Eliminate noise interference 

Replace output shaft speed sensor

Check fault symptoms 

A/T overhaul: replace transfer 
case drive gear and driven gear 

Check fa

ptoms 

ult sym

Eliminate noise interference 

Abnormal 

Abnromal 

Normal 

Abnormal 

Normal 

No 

Abnormal 

Abnormal

No 

Yes 

Yes 

77 

   

Chery·Maintenance Manual for Oriental Son

   

Automatic Transmission 

the third gear 
If the transmission ratio of the third gear does 

 at the 

Input shaft speed sensor fault 

 

ult 

ar fault 

not conform to the input of input shaft speed 
sensor and the output of output shaft speed 
sensor is increased, then Code 43 will be 
output. If Code 43 is output for 4 times 
running, then the gearbox will be locked
third gear as a protection.  

Output shaft speed sensor fault
Deceleration clutch guard ring fa
Transfer case drive gear or driven ge
Overdrive clutch system fault 
Deceleration clutch system fault 
Noise interference 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Code 44 Non-conforming transmission ratio of 

Possible cause 

MUT-Ⅱ S-slfDiag code 
Is Troubleshooting Code 22 
output? 

MUT-Ⅱ S-slfDiag code 
Is Troubleshooting Code 
23 output?

Measure the output wave form of input shaft 
speed sensor with an oscilloscope  
Connect with connector B-71 and measure the 
voltage between A/T-ECU 31 and 43.  
Engine: 2,000rpm (about 50km/h) 
Gearbox: third gear 
Normal: e.g. one kind of wave form on Page 
23-42 (using the checking sequence of the 
oscilloscope) is output (fluctuate between 0 and
5V) and there is no noise interference for the 
wave form.  

Measure the output wave form of output shaft 
speed sensor  
Connect with connector B-68 and measure the 
voltage between A/T-ECU 32 and 43.  
Gearbox: third gear 
Normal: e.g. one kind of wave form on Page 
23-42 (using the checking sequence of the 
oscilloscope) is output (fluctuate between 0 and
5V) and there is no noise interference for the 
wave form.  

A/T overhaul 
Check deceleration clutch system (Code 
41 or 42 is output or no troubleshooting 
code is output) 
Check overdrive clutch system (Code 44 
is output or no code is output)

Check input shaft speed 
sensor system (refer to Page 
23 14)

Check output shaft speed 
sensor system (refer to Page 
23 15)

Replace input shaft speed sensor 

Check fault symptoms 

A/T overhaul: replace deceleration clutch guard ring

Check fault sym toms 

p

Eliminate noise interference 

Replace output shaft speed sensor

Check fault symptoms 

A/T overhaul: replace transfer 
case drive gear and driven gear 

Check fault sym toms 

p

Elim

Yes 

No 

No 

Abnormal 

Normal 

Abnormal 

Normal 

Abnormal 

Abnormal 

Abnormal 

Abnormal

Yes 

inate noise interference 

78 

   

Chery·Maintenance Manual for Oriental Son

   

Automatic Transmission 

the fourth gear 
If the transmission ratio of the first gear does 

 

 at the 

Input shaft speed sensor fault 

 

ult 

ar fault 

not conform to the input of input shaft speed
sensor and the output of output shaft speed 
sensor is increased, then Code 44 will be 
output. If Code 44 is output for 4 times 
running, then the gearbox will be locked
third gear as a protection.  

Output shaft speed sensor fault
Deceleration clutch guard ring fa
Transfer case drive gear or driven ge
Second-gear braking system fault 
Overdrive clutch system fault 
Noise interference 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Code 46 Non-conforming transmission ratio of 

Possible cause 

MUT-Ⅱ S-slfDiag code 
Is Troubleshooting Code 22 
output?  

MUT-Ⅱ S-slfDiag code 
Is Troubleshooting Code 
23 output?

Measure the output wave form of input shaft 
speed sensor with an oscilloscope  
Connect with connector B-71 and measure the 
voltage between A/T-ECU 31 and 43.  
Engine: 2,000rpm (about 50km/h) 
Gearbox: third gear 
Normal: e.g. one kind of wave form on Page 
23-42 (using the checking sequence of the 
oscilloscope) is output (fluctuate between 0 and
5V) and there is no noise interference for the 
wave form.  

Measure the output wave form of output shaft 
speed sensor  
Connect with connector B-68 and measure the 
voltage between A/T-ECU 32 and 43.  
Gearbox: third gear 
Normal: e.g. one kind of wave form on Page 
23-42 (using the checking sequence of the 
oscilloscope) is output (fluctuate between 0 and
5V) and there is no noise interference for the 
wave form.  

A/T overhaul 
Check second-gear braking system (Code 42 is 
output or no troubleshooting code is output) 
Check overdrive clutch system (Code 43 is 
output or no code is output) 

Check input shaft speed 
sensor system (refer to Page 
23-14) 

Check input shaft speed 
sensor system (refer to Page 
23 15)

Replace input shaft speed sensor

Check fault symptoms 

A/T overhaul: replace deceleration clutch 
guard ring

Check fault symptoms 

Eliminate noise interference 

Replaceoutput shaft speed sensor

Check fault sym toms 

p

A/T overhaul: replace transfer 
case drive gear and driven gear 

Check fault sym toms 

p

Elim

Yes 

No 

No 

Abnormal 

Normal 

Abnormal 

Normal 

Abnormal

Abnormal 

Abnormal 

Abnormal

Yes 

inate noise interference 

79