Chery A11. Manual — part 181

Maintenance Manual for Chery · Windcloud

M7.9.7 EFI System

Failure code: P0507 higher idling speed than target value

Step Operation

Result Solution

1

Connect scanner and commutator, and then turn
ignition switch to “OFF”.

Go to next step

Yes

Go to next step

2

Check throttle regulating screw, throttle cable and
working conditions of throttle to see if they are
normal.

No

Carry out
necessary
inspection,
repair and
maintenance

Yes

Go to next step

3

Check working conditions of idle speed regulator to
see if they are normal.

No

Carry out
necessary
inspection,
repair and
maintenance

Yes

Carry out
necessary
inspection and
repair

4

A. Check system for air leakage;
B. Check injectors for leakage;
C. Check fuel system pressure to see if it is too

high.

No

Diagnosis
Instruction

Failure code: P0508 too low control circuit voltage of idle speed regulator

Step Operation

Result Solution

1

Connect scanner and commutator, and then turn
ignition switch to “ON”.

Go to next step

Yes

Go to next step

2

Unplug idle speed regulator connector, check
respectively the resistances between Pin A and Pin
D, Pin B and Pin C of the regulator with a
multimeter too see if they are around 53±5.3Ω at
20℃.

No

Replace
stepper motor

Yes

Repair or
replace wire
harness

3

Check respectively the connections between Pin A,
B, C, D of idle speed regulator connector and Pin
65, 66, 67, 64 of ECU to see if short circuit to
ground occurs.

No

Diagnosis
Instruction

Failure code: P0509 too high control circuit voltage of idle speed regulator

Step Operation

Result Solution

32

Maintenance Manual for Chery · Windcloud

M7.9.7 EFI System

1

Connect scanner and commutator, and then turn
ignition switch to “ON”.

Go to next step

Yes

Go to next step

2

Unplug idle speed regulator connector, check
respectively the resistances between Pin A and Pin
D, Pin B and Pin C of the regulator with a
multimeter too see if they are around 53±5.3Ω at
20℃.

No

Replace
stepper motor

Yes

Repair or
replace wire
harness

3

Check respectively the connections between Pin A,
B, C, D of idle speed regulator connector and Pin
65, 66, 67, 64 of ECU to see if short circuit occurs.

No

Diagnosis
Instruction

Failure code: P0511 control circuit error of idle speed regulator

Step Operation

Result Solution

1

Connect scanner and commutator, and then turn
ignition switch to “ON”.

Go to next step

Yes

Go to next step

2

Unplug idle speed regulator connector, check
respectively the resistances between Pin A and Pin
D, Pin B and Pin C of the regulator with a
multimeter too see if they are around 53±5.3Ω at
20℃.

No

Replace
stepper motor

Yes

Repair or
replace wire
harness

3

Check respectively the connections between Pin A,
B, C, D of idle speed regulator connector and Pin
65, 66, 67, 64 of ECU to see if open circuit occurs.

No

Diagnosis
Instruction

Failure code: P0560 improper system voltage signal

Step Operation

Result Solution

1

Connect scanner and commutator, and then turn
ignition switch to “OFF”.

Go to next step

Yes

Go to next step

2

Check battery voltage with a multimeter to see if it
is around 12V.

No

Replace
battery

Yes

Repair or
replace wire
harness

3

Check respectively the connections between Pin 44,
45, 63 of ECU and Pin 87 of main relay to see if
open circuit or short circuit to ground occurs.

No

Go to next step

Yes

Go to next step

4

Start engine, check charging voltage of generator at
different engine speeds to see if it maintains within
9-16V.

No

Replace
generator

33

Maintenance Manual for Chery · Windcloud

M7.9.7 EFI System

Yes

Diagnosis
Instruction

5

Check ground point of engine wire harness to see if
it is normal.

No

Repair or
replace wire
harness

Failure code: P0562 too low system voltage

Step Operation

Result Solution

1

Connect scanner and commutator, and then turn
ignition switch to “OFF”.

Go to next step

Yes

Go to next step

2

Check battery voltage with a multimeter to see if it
is around 12V.

No

Replace
battery

Yes

Repair or
replace wire
harness

3

Check respectively the connections between Pin 44,
45, 63 of ECU and Pin 87 of main relay to see if the
resistances are too high.

No

Go to next step

Yes

Go to next step

4

Start engine, check charging voltage of generator at
different engine speeds to see if it maintains within
9-16V.

No

Replace
generator

Yes

Diagnosis
Instruction

5

Check ground point of engine wire harness to see if
it is in good condition.

No

Repair or
replace wire
harness

Failure code: P0563 too high system votage

Step Operation

Result Solution

1

Connect scanner and commutator, and then turn
ignition switch to “OFF”.

Go to next step

Yes

Go to next step

2

Check battery voltage with a multimeter to see if it
is around 12V.

No

Replace
battery

Yes

Go to next step

3

Start engine, check charging voltage of generator at
different engine speeds to see if it maintains within
9-16V.

No

Replace
generator

Yes

Diagnosis
Instruction

4

Check ground point of engine wire harness to see if
it isin good condition.

No

Repair or
replace wire
harness

34

Maintenance Manual for Chery · Windcloud

M7.9.7 EFI System

Failure code: P0601 non-programmed check code error of ECU

Step Operation

Result Solution

Connect scanner and commutator, and then turn
ignition switch to “ON”.

1

Go to next step

Yes

Go to next step

2

Clear failure code, recheck the failure to see if it is a
constant failure.

No System

normal

3 Replace

ECU.

Finish

Failure code: P0602 non-programmed diagnostic data identification code

error of ECU

Step Operation

Result Solution

1

Connect scanner and commutator, and then turn
ignition switch to “ON”.

Go to next step

Yes

Go to next step

2

Clear failure code, recheck the failure to see if it is a
constant failure.

No System

normal

3 Replace

ECU.

Finish

Failure code: P0645 control circuit error of air conditioner compressor

relay

Step Operation

Result Solution

1

Connect scanner and commutator, and then turn
ignition switch to “OFF”.

Go to next step

Yes

Go to Step 4

2

Unplug air conditioner compressor relay, turn
ignition switch to “ON”, check voltages between
Pin 30, 85 of relay and cathode of power supply to
see if they are around 12V.

No

Go to next step

Yes

Repair or
replace wire
harness

3

Check power supply terminal circuit of relay to see
if open circuit or short circuit to ground occurs.

No

Go to Step 2

Yes Replace

relay

4

Check the voltage between Pin 86 of relay (control
terminal of air conditioner compressor relay) and
cathode of power supply to see if it is around 3.7V.

No

Go to next step

Yes

Repair or
replace wire
harness

5

Check the connection between Pin 86 of relay
(control terminal of air conditioner compressor
relay) and Pin 70 of ECU to see if open circuit
occurs.

No

Diagnosis
Instruction

35