Chery A15. Manual - part 266

Terminal B and ECM Terminal A16 is 
within the range of 0-2 Ω.  

5 

Measure if the resistance between sensor 
Terminal B and the ground circuit is 
infinite.  

To Step 6 

To Step 9 

6 

Fix all fittings and clear away the 
troubleshooting code.  
Carry out a road test at a speed of 5km/h 
and above and see if the troubleshooting 
code is displayed.  

To Step 7 

Fault is 
eliminated 

7 

Replace the crank angle sensor and see if 
P0335 still exists.  

To Step 
11 

 

8 

Repair the open circuit between the sensor 
and the ground circuit 

 

 

9 

Repair the open circuit between the sensor 
and the ECM or its ground fault. 

 

 

10 

Repair the open circuit between the sensor 
and the ECM.  

 

 

11 

Replace the engine control module. 
Confirm the repair. 

 

 

 
 
 
Ten. Troubleshooting code – camshaft position sensor 
1. Troubleshooting code setup conditions and emergency scheme 
P0342 Low camshaft position signal 

P0343 High camshaft position signal 

Ju

dg

m

en

t 

co

nd

iti

on

s

•  Engine is running 

Ju

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t 

co

nd

iti

on

s 

•  Engine is running 

E

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y 

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•  Turn on the fault indicator light 

until the fault is eliminated  

•  There is a 50% possibility that 

the fuel injection sequence be 
misplaced by 360 degrees 

E

m

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ge

nc

y 

sc

he

m

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•  Turn on the fault indicator light 

until the fault is eliminated  

•  There is a 50% possibility that 

the fuel injection sequence be 
misplaced by 360 degrees 

 
2. Relevant computer terminals and measurement 

Wiring terminal 

ECM 

Camshaft 
position sensor

Normal measurement signal

5V reference voltage 

27 

C 

5V 

Camshaft signal 

30 

A 

0-5V square wave 

Sensor signal ground 

37 

B 

0V 

 
 

 

 
3. Troubleshooting procedure 

Possible cause 

Reference maintenance 
scheme 

1) Loosened fittings 
2) Open circuit of reference voltage circuit 
3) Open circuit of signal ground 
4) Open circuit of camshaft signal circuit 
5) Sensor damage 
6) Fault of ECM terminal  

1) Fix again and fasten 
2) Repair the wire harness 
3) Repair the wire harness 
4) Repair the wire harness 
5) Replace the sensor 
6) Replace the ECM 

 
 
Eleven. Troubleshooting code – ignition coil 
 
1. Troubleshooting code setup conditions and emergency scheme 
P0351 Short circuit between the ignition 
coil Cylinder 1-4 drive circuit and the 
power source anode 

P0351 Open circuit of ignition coil Cylinder 
1-4 drive circuit or its short circuit with the 
ground wire 

Ju

dg

m

en

t 

co

nd

iti

on

s

•  Duration 1.25s 

Ju

dg

m

en

t 

co

nd

iti

on

s 

- Duration 1.25s 

E

m

er

ge

nc

y 

sc

he

m

e 

•  Turn on the fault indicator light 

until the fault is eliminated  

•  Stop fuel injection into Cylinder 

1-4 

•  Increase the targeted idle speed 

to 1200rpm 

E

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y 

sc

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•  Turn on the fault indicator light 

until the fault is eliminated  

•  Stop fuel injection into Cylinder 

1-4 

 
P0352 Short circuit between the ignition 
coil Cylinder 2-3 drive circuit and the 
power source anode 

P0351 Open circuit of ignition coil Cylinder 
2-3 drive circuit or its short circuit with the 
ground wire 

Ju

dg

m

en

t 

co

nd

iti

on

s

•  Duration 1.25s 

Ju

dg

m

en

t 

co

nd

iti

on

s 

- Duration 1.25s 

E

m

er

ge

nc

y 

sc

he

m

e

•  Turn on the fault indicator light 

until the fault is eliminated  

•  Stop fuel injection into Cylinder 

2-3 

•  Increase the targeted idle speed 

to 1200rpm 

E

m

er

ge

nc

y 

sc

he

m

e 

•  Turn on the fault indicator light 

until the fault is eliminated  

•  Stop fuel injection into Cylinder 

2-3 

 

 

 
 
2. Relevant computer terminals and measurement 

Wiring terminal 

ECM 

Ignition coil 

Normal measurement signal

System master power 
source 

\

 

B 12V 

Cylinder 1-4 drive 

46,57 

C 

0-12V similar square wave 
signal 
Peak inductance >300V 

Cylinder 2-3 drive 

50,62 

A 

0-12V similar square wave 
signal 
Peak inductance >300V 

 
3. Troubleshooting procedure 

Step Description 

Yes 

No 

1 

Will the troubleshooting procedure be 
implemented? 

To Step 2 

Troubleshooting 
procedure 

2 

Check if the fittings between ignition 
module and ECM are detached or if the 
terminals are damaged.  

Confirm 
repair 

To Step 3 

3 

Check if there is open circuit between the 
ignition switch and Terminal B or there is 
any ground fault.  
Check if Terminal C suffers any ground 
fault. 

Confirm 
repair 

To Step 4 

4 

Turn off the ignition switch, detach the 
fittings for the ECM and ignition module 
and check if the circuit between the ECM 
and the ignition module suffers any short 
circuit with the power source (anode).  

Confirm 
repair 

To Step 5 

5 

Check if the circuit between the ECM and 
the ignition module suffers any ground 
fault.  

Confirm 
repair 

To Step 6 

6 

Check if the circuit between the ECM and 
the ignition module suffers any open 
circuit.  

Confirm 
repair 

To Step 7 

7 

Replace the ignition module. 
Check if the fault is cleared away after the 
replacement.  

To Step 8 

 

8 

Replace the ECM and confirm the 
replacement.  

 

 

 
 
 
 

 

 
Twelve. Troubleshooting code – charcoal canister solenoid valve 
 
1. Troubleshooting code setup conditions and emergency scheme 
P0443 Short circuit between the charcoal 
canister solenoid valve and power source 
anode 

P0443 Open circuit of charcoal canister 
solenoid valve or its ground fault 

Ju

dg

m

en

t 

co

nd

iti

on

s 

•  Duration > 2s 

Ju

dg

m

en

t 

co

nd

iti

on

s 

- Duration > 5s 

E

m

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•  Turn on the fault indicator light 

until the fault is eliminated  

•  Close the charcoal canister 

solenoid valve 

E

m

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nc

y 

sc

he

m

e 

•  Turn on the fault indicator light 

until the fault is eliminated  

•  Close the charcoal canister 

solenoid valve 

 
2. Relevant computer terminals and measurement 

Wiring terminal 

ECM 

Charcoal 
canister 
solenoid valve 

Normal measurement signal

System master power 
source 

\

 

B 12V 

Solenoid valve drive 

10 

A 

0-12V square wave