Chery Tiggo 5 (T21). Service manual - part 422

37–

27

37

DOOR LOCK

DTC

B102471 Trunk Lock Control Circuit Actuator Stuck

DTC

B102711

Battery Saver Output Control Circuit Circuit Short to 
Ground

GrR

GrB

GrB

Gr

BY

BY

Gr

GrR

B

B

BCM

B3

B6

C20

C19

B20

6

4

2

1

3

5

DRIVER CYL. SW

FR

T

 LH 

ACT

DRIVER DR SW

B-043

B-047

B-036

M

16

10

4

11

BY

RY

RY

RY

RY

BY

8

3

B

B

2

5

4

B-062

3

5

7

FRONT 

LEFT 

DOOR 

CONTACT 

SWITCH

FR

T

 RH 

ACT

P

ASSENGER DR SW

M

FRONT 
RIGHT 
DOOR 
CONTACT 
SWITCH

WW

B21

6

16

BY

RY

RY

B

Y

2

B

B

5

2

3

B-036

5

1

RR LH 

ACT

RL

 DR SW

M

REAR 
LEFT 
DOOR 
CONTACT 
SWITCH

A

B

C1

C10 C11 C12 C13 C14 C15 C16 C17 C18

C2 C3 C4 C5

C6 C7 C8 C9

C20

C19

B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 B13 B14 B15 B16

B17 B18 B19 B20 B21 B22 B23 B24 B25 B26 B27 B28 B29 B30 B31 B32

W

B-043

L

B-047

1 4 7 10 13 16
2 5 8 11 14 17
3 6 9 12 15 18

1

4

7 10 13 16

2

5

8 11 14 17

3

6

9 12 15 18

1

2

7

13

14

8

3

9

4

10

11

12

15

16

5

6

W

B-040

F-007

B-040

F-007
B-040

Y

B-026

B-026

L-005

B-026

L-005

W

B-061

B-061
H-002

B-061

H-002

1

2

3

4

5

6

1

2

3

4

5

6

1

2

3

4

5

6

B

H-005

H-005

B

F-002

F-002

B

L-001

L-001

ET21370020

37–

28

37

BY

BCM

VV

B4

1

16

BY

RY

RY

2

B

B

2

5

4

B-062

5

1

RR RH 

ACT

RR DR SW

M

REAR RIGHT 
DOOR 
CONTACT 
SWITCH

A

B

B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 B13 B14 B15 B16

B17 B18 B19 B20 B21 B22 B23 B24 B25 B26 B27 B28 B29 B30 B31 B32

L

B-047

B-047

1

2

3

4

5

6

B

R-004

R-004

1

2

7

8

13

14

3

4

9

10

5

6

11

12

15

16

Y

B-005

B-005
R-002

B-005

R-002

ET21370050

37–

29

37

a. Remove the front door lock assembly from malfunctioning vehicle, and install it to a new vehicle to perform 

a test.

a. Remove the rear door lock assembly from malfunctioning vehicle, and install it to a new vehicle to perform 

a test.

DTC Code

DTC Definition

DTC Detection 

Condition

Warning Light 

Condition

Possible Cause

B102471

Trunk Lock Control 
Circuit Actuator Stuck

Ignition switch ON

ON

 Front door lock 

assembly

 Rear door lock 

assembly

 Wire harness or 

connector

 Body Control 

Module (BCM)

B102711

Battery Saver Output 
Control Circuit Circuit 
Short to Ground

CAUTION

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

and the component information.

1

Check front door lock assembly

Replace front door lock assembly

NG

2

Check rear door lock assembly

OK

Replace rear door lock assembly

NG

OK

37–

30

37

a. Turn ignition switch to LOCK.
b. Disconnect the negative battery cable.
c. Disconnect the body wire harness connectors B-047 and 

B-040.

d. Using a digital multimeter, check for continuity between 

body wire harness connectors B-047 and B-040 
according to the table below.

e. Disconnect the body wire harness connectors B-047 and 

B-061.

f. Using a digital multimeter, check for continuity between 

body wire harness connectors B-047 and B-061 
according to the table below.

3

Check body wire harness and connector

-

+

RT21370501

1

4

7 10 13 16

2

5

8 11 14 17

3

6

9 12 15 18

B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 B13 B14 B15 B16

B17 B18 B19 B20 B21 B22 B23 B24 B25 B26 B27 B28 B29 B30 B31 B32

B-040

B-047

Multimeter 

Connection 

Terminal

Condition

Specified 

Condition

B-047 (B3) - 

B-040 (16)

Always

Continuity

B-047 (B6) - 

B-040 (10)

Always

Continuity

-

+

RT21370502

1

4

7 10 13 16

2

5

8 11 14 17

3

6

9 12 15 18

B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 B13 B14 B15 B16

B17 B18 B19 B20 B21 B22 B23 B24 B25 B26 B27 B28 B29 B30 B31 B32

B-061

B-047

Multimeter 

Connection 

Terminal

Condition

Specified 

Condition

B-047 (B20) -

B-061 (11)

Always

Continuity