Chery A series. Manual — part 41

Diagnostic trouble code: P0511 “Malfunction in control circuit of idle speed
regulator”

Item

No.

Operation procedure

Inspection

results

Follow-up procedure

1

Connect the diagnostic tester and
adaptor, and turn the ignition switch to
“ON” position.

Proceed to next step.

Yes

Proceed to next step.

2

Disconnect the connector of idle speed
regulator and inspect with multimeter to
verify that the resistances between pin A
and D, pin B and C are 53±5.3Ω under
20 .

℃

No

Replace the step

motor.

Yes

Repair or replace the

wiring harness.

3

Verify that the circuits between pin A, B,
C, and D of idle speed regulator and 65#,
66#, 67#, and 64# pin of ECU are open.

No

Refer to diagnosis

help.

G-53

Diagnostic trouble code: P0560 “Improper voltage signal of system”

Item

No.

Operation procedure

Inspection

results

Follow-up

procedure

1

Connect the diagnostic tester and adaptor,
and turn the ignition switch to “OFF”
position.

Proceed to next

step

Yes

Proceed to next

step.

2

Inspect with multimeter to verify that the
voltage of battery is about 12V.

No

Replace the battery.

Yes

Repair or replace

the wiring harness.

3

Verify that the resistances between the
44#, 45#, and 63# pins of ECU and 87#
pin of the main relay are open or short to
ground.

No

Proceed to next

step

Yes

Proceed to next

step

4

Start up the engine, and verify that the
charging voltage of generator is
maintained within 9-16V under different
speeds.

No

Replace the

generator.

Yes

Refer to diagnosis

help.

5

Verify that the earth point of engine
wiring harness is correct.

No

Repair or replace

the wiring harness.

G-54

Diagnostic trouble code: P0562 “Undervoltage of system”

Item

No.

Operation procedure

Inspection

results

Follow-up procedure

1

Connect the diagnostic tester and
adaptor, and turn the ignition switch to
“OFF” position.

Proceed to next step

Yes

Proceed to next step.

2

Inspect with multimeter to verify that
the voltage of battery is about 12V.

No

Replace the battery.

Yes

Repair or replace the

wiring harness.

3

Verify that the resistances between the
44#, 45#, and 63# pins of ECU and 87#
pin of the main relay are excessive.

No

Proceed to next step

Yes

Proceed to next step

4

Start up the engine, and verify that the
charging voltage of generator is
maintained within 9-16V under different
speeds.

No

Replace the

generator.

Yes

Refer to diagnosis

help.

5

Verify that the earth point of engine
wiring harness is correct.

No

Repair or replace the

wiring harness.

G-55

Diagnostic trouble code: P0563 “Overvoltage of system”

Item

No.

Operation procedure

Inspection

results

Follow-up

procedure

1

Connect the diagnostic tester and adaptor
and turn the ignition switch to “OFF”
position.

Proceed to next

step

Yes

Proceed to next

step

2

Inspect with multimeter to verify that the
voltage of battery is about 12V.

No

Replace the

battery.

Yes

Proceed to next

step

3

Start up the engine, and verify that the
charging voltage of generator is maintained
within 9-16V under different speeds.

No

Replace the

generator.

Yes

Refer to diagnosis

help.

4

Verify that the earth point of engine wiring
harness is correct.

No

Repair or replace

the wiring harness.

G-56