Chery Tiggo 5 (T21). Service manual — part 64

06–

98

06

DTC

P0300-00 Random/Multiple Cylinder Misfire Detected

DTC

P0301-00 Cyl.1 Misfire Detected

DTC

P0302-00 Cyl.2 Misfire Detected

DTC

P0303-00 Cyl.3 Misfire Detected

DTC

P0304-00 Cyl.4 Misfire Detected

06–

99

06

ET21065009

R

GGr

GBr

GGr

GBr

15A

C4

EF07

IGNITION
COIL

CYL1

CYL4

CYL3

CYL2

3

1-36

1-35

1

2

33

32

E-007
E-038

E-018

1 2 3 4

B

E-018

BATTERY

ECM
MAIN
RELAY

10A

EF19

10A

EF17

10A

EF40

A2

F14

2-20

RL

A4

2-35

L

2-5

Br

A6

2-15

2-16

RR

R

86

87

85

30

ENGINE
COMPARTMENT
FUSE AND
RELAY BOX

IGNITION SWITCH
ON OR START

A1

A2

A3

A4

A5

A6

A7

A8 A9 A10

F12

F24

F11

F23

F10

F22

F9

F21

F8

F20

F7

F19

F6

F18

F5

F17

F4

F16

F3

F15

F2

F14

F1

F13

Gr

E-076

W

E-069

E-076

E-069

B

E-033

49 50 51

63

64

15

16

31

32

47

48

33 34 35

17 18 19

1

2

3

52 53 54 55 56 57 58 59 60 61 62

36 37 38 39 40 41 42 43 44 45 46

20 21 22 23 24 25 26 27 28 29 30

4

5

6

7

8

9 10 11 12 13 14

ECM-2

E-033

C1

C2

C3 C4

C5

C6

C7

C8 C9 C10

L

E-023

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

31

35

39

40

41

42

32

33

36

37

38 34

27

28

29

30

B

E-007

37 38 39 40 41 42 43 44 45 46

47

48

25 26 27 28 29 30 31 32 33 34

35

36

13 14 15 16 17 18 19 20 21 22

23

24

1

2

3

4

5

6

7

8

9 10

11

12

B

E-035

ECM-1

E-035

E-023

06–

100

06

DTC Confirmation Procedure

Confirm that battery voltage is over 12 V before performing the following procedures.
 Turn ignition switch to LOCK.
 Connect X-431 3G diagnostic tester (the latest software) to Data Link Connector (DLC).
 Turn ignition switch to ON.
 Use X-431 3G diagnostic tester to record and clear the DTCs stored in the ECM.
 Select Read Code.
 If the DTC is detected, the malfunction indicated by the DTC is current. Go to the diagnosis 

procedure - Step 1.

 If DTC is not detected, the malfunction indicated by the DTC is intermittent (

See page 06-18

).

Diagnosis Procedure

a. Turn ignition switch to LOCK.
b. Check ECM grounds E-026 and E-028 (

See page 06-18

).

DTC Code

DTC Definitions

DTC Detection

Conditions

Possible Cause

P0300-00

Random/Multiple
Cylinder Misfire
Detected

Engine running

 Ignition coil
 Spark plug
 Wire harness or connector
 ECM

P0301-00

Cyl.1 Misfire Detected

P0302-00

Cyl.2 Misfire Detected

P0303-00

Cyl.3 Misfire Detected

P0304-00

Cyl.4 Misfire Detected

CAUTION

 When performing circuit diagnosis and test, always refer to the circuit diagram for specific circuit and

component information.

1

Check ECM ground point

Repair or replace ground wire harness or
ground point

NG

OK

06–

101

06

a. Turn ignition switch to LOCK.
b. Disconnect ignition coil connector E-018.
c. Check ignition coil connector.

a. Remove the spark plug of misfiring cylinder.
b. Check spark plug for burns, cracks or deposits.
c. Check spark plug gap.

OK: 0.8 - 0.9 mm

a. Connect ignition coil connector.
b. Connect spark plug and ignition coil, and ground spark plug housing.
c. Start and run the engine for no more than 2 seconds, and check if spark is generated.

2

Check ignition coil connector

RT21060190

Repair or replace connector

NG

3

Check spark plug of misfiring cylinder

OK

RT21140100

Clean or replace spark plug

NG

4

Check spark

OK

Go to step 6

NG

OK