2.20.3 Schematic
2.20.3.1 Schematic

Crankshaft Position Sensor

Camshaft Position Sensor

Knock Sensor

Engine Control Module

Ignition Coil

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01

MAIN

B

A

C

COLA

COLB

EO01

EO01

1

17

IG1 Relay

To Ignition Switch

1,4 Cylinder Ignition Coil

2,3 Cylinder Ignition Coil

Engine 
Control 
Module

Battery

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2.20.4 Diagnostic Information and Procedures
2.20.4.1 Spark Plug No Arcing

Note

Before carry out this diagnostic procedure, make sure that the engine Anti-theft locking system is not activated and
working properly.

Note

During this test, it is prohibited to connect the high-voltage damping line to ground, as this may damage the ignition
coil or the engine control module. The correct approach is to connect spark plug one end to a known good high-voltage
damping line, the other end to a reliable ground.

Step 1

Instruments, wiper and other electrical accessories work properly?

No

Ignition relay IG1 is not working properly.
Refer to 

2.10.7.4

 

Ignition Relay IG1 No Power

Output

Yes

Step 2

Check the ignition coil working power supply.

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A

C B

Ignition Coil Harness Connector EO19

(a)

Turn the ignition switch to "OFF" position.

(b)

Disconnect the ignition coil harness connector EO19.

(c)

Turn the ignition switch to "ON" position.

(d)

Measure voltage between ignition coil harness connector
EO19 terminal B and a reliable ground.

Standard Voltage: 11-14 V

Voltage normal?

No

Ignition relay IG1 terminal No.30 circuit is
open.

Yes

Step 3

Measure the ignition coil primary resistance.

(a)

Turn the ignition switch to "OFF" position.

(b)

Disconnect the ignition coil harness connector EO19.

(c)

Measure resistance between ignition coil terminal B and A or
between terminal B and C.

Standard Resistance Value: 0.45-0.55 Ω

Is resistance normal?

No

Replace the ignition coil.

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Yes

Step 4

Measure the ignition coil secondary resistance.

(a)

Turn the ignition switch to "OFF" position.

(b)

Disconnect the ignition coil harness connector EO19.

(c)

Measure resistance between ignition coil secondary
terminals.

Standard Resistance Value: 8.86-10.82 kΩ

Is resistance normal?

No

Replace the ignition coil.

Yes

Step 5

Check the ignition coil control circuit.

B

C

A

1

17

33

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

Ignition Coil Harness Connector EO19

ECM Harness Connector EO01

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(a)

Turn the ignition switch to "OFF" position.

(b)

Disconnect ECM harness connector EO01.

(c)

Disconnect the ignition coil harness connector EO19.

(d)

With a multimeter, measure resistance between ECM
harness connector EO01 terminal No.1 and ignition coil
harness connector EO19 terminal A, and resistance between
EO01 terminal No.17 and EO19 terminal C.

(e)

With a multimeter, measure resistance between ignition coil
harness connector EO19 terminal A, C and a reliable ground.
Check whether the circuit is short to ground.

(f)

With a multimeter, measure voltage between ignition coil
harness connector EO19 terminal A, C and a reliable ground.
Check whether the circuit is short to power supply.

Test Items

Standard Value

EO01 (1)-EO19 (A) / EO01 (17)-EO19

(C) Resistance

0 Ω

Resistance Between EO19 (A, C) and

A Reliable Ground

10 kΩ or higher

Voltage Between EO19 (A, C) and A

Reliable Ground

0 V

All normal?

No

Repair the circuit fault.

Yes

Note

Each time the ignition switch can not stay at the "ST" position longer than 5 s, otherwise it will damage the starter motor.

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