Chery Tiggo 5 (T21). Service manual — part 366

32–

55

32

a. Turn ignition switch to LOCK, disconnect the negative

battery cable and wait for at least 90 seconds.

b. Disconnect the instrument panel wire harness connector

I-006 and SRS control module assembly connector I-046
(*1).

c. Using a digital multimeter, check for continuity between

the terminals of connector I-006 and connector I-046
according to the table below.
Standard Condition

a. Turn ignition switch to LOCK, disconnect the negative

battery cable and wait for at least 90 seconds.

b. Disconnect front passenger seat belt reminder switch

connector B-049 and SRS control module assembly
connector I-046/B-072.

c. Using a digital multimeter, check for continuity between

the terminals of connector B-049 and connector I-046/B-
072 according to the table below.
Standard Condition

4

Check front passenger seat belt reminder switch wire harness and connector (SRS control
module assembly - instrument panel wire harness connector)

-

+

RT21320370

32

31

30

29

28

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

27

26

25

24

23

22

21

20

19

18

17

I-046

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

I-006

Multimeter

Connection

Condition

Specified

Condition

I-006 (16) - I-046

(25)

Always

Continuity

Replace instrument panel wire harness
and connector

NG

5

Check wire harness and connector (SRS control module assembly - front passenger seat
belt reminder switch)

OK

-

+

RT21320371

32

31

30

29

28

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

27

26

25

24

23

22

21

20

19

18

17

B-072

I-046

1

2

B-049

Multimeter

Connection

Condition

Specified

Condition

B-049 (1) - I-046/

B-072 (25)

Always

Continuity

Replace body wire harness and connector

NG

32–

56

32

Self-diagnosis Detection Logic

HINT:
When performing electrical diagnosis and test, always refer to the relevant circuit diagram for the special
circuit and component information.

Diagnosis Procedure

a. Turn ignition switch to LOCK.
b. Disconnect the negative battery cable and wait for at least 90 seconds.
c. Connect the negative battery cable.
d. Turn ignition switch ON.
e. Use X-431 3G diagnostic tester (the latest software) to record and clear the DTCs stored in the

supplemental restraint system.

f. Turn ignition switch to LOCK and wait for a few seconds.
g. Turn ignition switch ON, and then select "Read Code".

DTC

B1210-00 Front Deployment

DTC

B1211-00 BT Deployment

DTC

B125A-00 Crash Counter Reached Max

DTC

B1240-96 ICM Airbag Lamp Failed

DTC

B1251-49 Electronic Control Unit (ECU), Internal Electronic Failure

DTC Code

DTC Definition

DTC Detection

Condition

Warning Light

Condition

Possible Cause

B1210-00

Front Deployment

Ignition switch ON

ON

 SRS control

module assembly

B1211-00

BT Deployment

B125A-00

Crash Counter
Reached Max

B1240-96

ICM Airbag Lamp
Failed

B1251-49

Electronic Control Unit
(ECU), Internal
Electronic Failure

1

Check SRS control module assembly

Replace SRS control module assembly

NG

OK

Malfunction has been solved and system operates normally

32–

57

32

DTC

B1250-16 Battery Voltage Circuit Voltage Below Threshold

DTC

B1250-17 Battery Voltage Circuit Voltage Above Threshold

32–

58

32

1

2

3

4

5

6

7

8

9 10 11 12

13

85

85

87

87 30

87 30

30

86

86

85

86

14 15 16 17 18 19 20 21 22 23 24

25

27

26

32

31

30

29

28

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

27

26

25

24

23

22

21

20

19

18

17

IGNITION SWITCH

ON OR START

10A

RF08

10A

23

11

R

B

OB

O

P

13

3

5

29

30

GND

MICROPROCESSOR

AIRBAG

INSTRUMENT
CLUSTER

RF06

SRS
CONTROL
MODULE

BATTERY

10A

6

RF23

TO CAN
SYSTEM

INSTRUMENT
PANEL FUSE
AND RELAY BOX

I-003

CAN-L2

CAN-H2

CAN-L1 CAN-H1

32

31

30

29

28

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

27

26

25

24

23

22

21

20

19

18

17

B

I-007

I-007

Gr

I-046

I-046

L

I-015

I-015

B

I-045

16

8

R

R

OB

O

OB

O

1

17

2

TO CAN
SYSTEM

I-036

B-055

4

9

10

*2

16 15 14 13 12 11 10

8

7

6

5

4

3

2

1

9

W

I-036

*2: SRS control module connector is B-072

*1: SRS control module connector is I-046

B-072

B

B-072

ET21320100