Chery Tiggo 5 (T21). Service manual — part 335
31–
44
31
a. Reconnect all disconnected connectors securely.
b. Connect the negative battery cable.
c. Turn ignition switch ON.
d. Use X-431 3G diagnostic tester (the latest software) to record and clear DTCs stored in the HVAC control
panel assembly.
e. Turn ignition switch to LOCK and wait for a few seconds.
f. Turn ignition switch ON.
g. Use X-431 3G diagnostic tester to read DTCs stored in the HVAC control panel assembly again.
5
Reconfirm DTCs
Replace HVAC control panel assembly
NG
System operates normally
OK
31–
45
31
DTC
B2160
Error of AC Mix Actuator (Left Side)
DTC
B2163
Error of AC Mix Actuator (Right Side)
ET21310130
HVAC
CONTROL
PANEL
K-012
BATTERY
RF10
7.5A
RF21
10A
IGNITION SWITCH
ON OR START
10
21
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
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 27 28 29 30 31 32 33 34 35 36 37 38 39 40
W
K-012
22 21 20
18
19
17 16 15
13
14
12 11 10
8
9
7
6
5
3
4
2
1
B
I-039
B
I-007
2
WB
BR
4
21
WV
19
Y
INSTRUMENT
PANEL FUSE
AND RELAY
BOX
I-007
I-039
K-007
4
B
BrW
8
I-039
K-007
I-037
W
K-007
1
2
3
4
5
6
8
9
10 11
13 14
15 16
18
17
21
20
22
7
12
19
6
B
10
4
L
12
3
R
9
2
Br
1
Y
11
M
A
B
6
BlB
39
4
VB
16
3
GBr
40
2
Br
1
1
WG
15
M
A
B
4 1
5 2
6 3
4 1
5 2
6 3
RIGHT MIXED DAMPER MOTOR
K-003
LEFT MIXED DAMPER MOTOR
K-010
B
K-003
B
K-010
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31
Diagnosis Procedure
Use the circuit diagram as a guide to perform the following procedures:
a. Turn ignition switch to LOCK.
b. Disconnect the negative battery cable.
c. Disconnect the HVAC control panel assembly connector K-012.
d. Disconnect the left mix damper motor connector K-010 and right mix damper motor connector K-003.
e. Check if wire harnesses are worn, pierced, pinched or partially broken.
f. Look for broken, bent, protruded or corroded terminals.
g. Check if related connector pins are in good condition.
a. Remove the mix damper motor.
b. Install the new mix damper motor to vehicle.
c. Use X-431 3G diagnostic tester to check if DTCs are still output.
DTC Code
DTC Definition
DTC Detection
Condition
Possible Cause
B2160
Error of AC Mix
Actuator (Left Side)
Ignition switch ON
Mix damper motor
Wire harness and connector
HVAC control panel
B2163
Error of AC Mix
Actuator (Right Side)
CAUTION
When performing electrical equipment diagnosis and test, always refer to the circuit diagram for related
circuit and component information.
1
Check wire harness and connector
Repair or replace A/C wire harness and
connector
2
Check mix damper motor
Replace mix damper motor
NG
OK
NO
YES
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31
a. Turn ignition switch to LOCK.
b. Disconnect the negative battery cable.
c. Disconnect the HVAC control panel assembly connector
K-012.
d. Disconnect the left mix damper motor connector K-010
and right mix damper motor connector K-003.
e. Using a digital multimeter, check for continuity between
terminals of connector K-012 and connector K-010 to
check if there is an open in left mix damper motor
according to the table below.
Standard Condition
f. Using a digital multimeter, check for continuity between
terminals of connector K-012 and connector K-003 to
check if there is an open in right mix damper motor
according to the table below.
Standard Condition
3
Check wire harness and connector (HVAC control panel assembly - mix damper motor)
RT21311160
-
+
K-012
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 27 28 29 30 31 32 33 34 35 36 37 38 39 40
K-010
4 1
5 2
6 3
Multimeter
Connection
Condition
Specified
Condition
K-012 (15) -
K-010 (1)
Always
Continuity
K-012 (1) -
K-010 (2)
Always
Continuity
K-012 (40) -
K-010 (3)
Always
Continuity
K-012 (16) -
K-010 (4)
Always
Continuity
K-012 (39) -
K-010 (6)
Always
Continuity
RT21311170
-
+
K-012
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 27 28 29 30 31 32 33 34 35 36 37 38 39 40
K-003
4 1
5 2
6 3
Multimeter
Connection
Condition
Specified
Condition
K-012 (11) -
K-003 (1)
Always
Continuity
K-012 (1) -
K-003 (2)
Always
Continuity
K-012 (9) -
K-003 (3)
Always
Continuity
K-012 (12) -
K-003 (4)
Always
Continuity
K-012 (10) -
K-003 (6)
Always
Continuity
Repair or replace A/C wire harness and
connector
NG
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