Chery Tiggo 5 (T21). Manual — part 422
37–
27
37
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
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