Chery S11 / Chery QQ. Manual - part 232

 Chery  QQ  Maintenance Manual                   465 EFI System

 

 

 
DTC 14  TPS 

                                           

 

 

 

                                                      The diagram of TPS 
 

No. Operation 

steps  Test 

results 

Next step 

1 

Turn on ignition key. 

 

Next 

Yes Next 

2 

Pull out connector of A/C evaporator temperature 
sensor, measure if the volt between 2 pins is 5V 
with multimeter.   

 

No 

5 

Yes Next 

3 

Measure the resistance between pin (1) and (2) if 
in 1.6 to 2.4k with multimeter. 

No Replace 

sensor 

Yes Replace 

sensor 

4 

Run slowly TPS from one end to another and 
check any open or short between pin (1) and (3). 

No Replace 

ECU 

Yes Repair 

or 

replace harness 

5 

Connect adaptor between ECU and harness, 
check any open or short between pin 12 , 30 of 
ECU and pin (1) and (2) of sensor with 
multimeter. 

No Replace 

ECU 

Note: For M1.5.4 with distributor, 5V voltage is supplied by pin 12 of ECU to TPS and Hall 
sensor. If the DTC dislays when vehicle cannot be started, it cannot be clear DTC from TPS. 
Please check if short in Hall sensor. 

 
 

 

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 Chery  QQ  Maintenance Manual                   465 EFI System

 

 

 

DTC  15  KS 

                                                   

 

 

 

Diagram for KS 
 

No. Operation 

steps 

Test 

results 

Next step   

1 

Turn off ignition key, engine nor run. 

 Next 

Yes Next 

2 

Pull out connector of KS sensor, measure if the 

resistance between pin 1, pin 2 of sensor and 

between pin1 and pin 3 is over 1M with multimeter.

No  

Replace sensor 

Yes Next 

3 

Slightly knock around sensor with small hammer 

and check if any AC signals putout between pin1 

and pin2 of sensor. 

No Replace 

sensor 

4 

Turn on ignition key but engine not run 

 Next 

 

Yes 

Repair or replace 

harness 

 

Connect adaptor between ECU anfd harnesses and 

check any open or short between pin 11, pin 30, 

pin19 of ECU and pin 1 and pin2 and pin 3 with 

multimeter. 

No Replace 

ECU 

 
 
 

 

26

 Chery  QQ  Maintenance Manual                   465 EFI System

 

 

DTC 16    MAP and IAT 

 

Diagram of MAP and IAT 

 

No. Operation 

steps 

Test 

results 

Next step 

1 

Turn on ignition key. 

 

Next 

Yes 4 

2 

Pull out the connectors on harness of 
MAP and IAT and check if the voltage 
between pin1 and pin 2 is 5V with 
multimeter. 

No Next 

Yes 

Repair or replace 

harness 

3 

Connect the adaptor between ECU and 
harness, check if open or short between 
pin 30, pin 12, pin 7 of ECU    and pin 1, 
pin 3, pin 4 separately with multimeter. 
 

No Next 

4 

Turn on ignition key but engine not run 
 

 Next 

Yes Replace 

ECU 

 

5 

Put on N shaft and run engine at idle. Step 
down accelarate pedal to fully open. 
Check if the voltage between pin 4 and 
pin 1 of sensor is incrasing with 
multimeter. 

No 

Replace ECU or 

sensor 

 
 
 
 
 
 
 
 

 

27

 Chery  QQ  Maintenance Manual                   465 EFI System

 

 

DTC 17  Oxygen sensor 

 

                                                         

The diagram of oxygen sensor 

 

No. 

Operation Steps 

Test result Next step 

1 

Turn on ignition key. 

 

Next 

Yes Next 

2 

Put out the connector on oxygen sensor and 
check if the voltage between pin 1 and pin 2 is 
12 V. 

No 4 

Yes Replace 

ECU 

3 

Check if the resistance between pin 1 and pin 2 
on oxygen sensor is from 6 to 25. 

No Replace 

sensor 

Yes Replace 

 

4 

Check if the fuse of heated oxygen sensor burns 
out. 

No Next 

Yes 

Repair or replace 

harness 

5 

Check if open or short between pin 1 on sensor 
and pin 87 on fuel pump relay, check open or 
short between pin 2 and pin 59. 

No Next 

6 

Insert the connector of oxygen sensor harness. 
Put N shaft and run engine at idle to normal 
coolant temperature. 

 Next 

Yes Next 

7 

Put out connector on oxygen sensor harness; 
check if ther is any 0.1 –0.9 V output voltage 
between pin 4 and pin 3. 

Yes Replace 

sensor 

Yes 

Repair or replace 

harness 

8 

Connect adaptor between ECU and harness. 
Check if open or short between pin 10 on ECU, 
pin 28 and pin 3, pin 4 separately. 

No Replace 

ECU 

 

 
 
DTC 18  IAT  

 

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