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

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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

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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

28