Chery Tiggo 5 (T21). Manual — part 336
31–
48
31
a. Turn ignition switch to LOCK.
b. Disconnect the negative battery cable.
c. Disconnect the HVAC control panel assembly connector
K-012.
d. Using a digital multimeter, check for continuity between
connector K-012 and body ground to check if left mix
damper motor circuit is short to ground according to the
table below.
Standard Condition
e. Using a digital multimeter, check for continuity between
connector K-012 and body ground to check if right mix
damper motor circuit is short to ground according to the
table below.
Standard Condition
4
Check wire harness and connector (HVAC control panel assembly - body ground)
OK
RT21311180
-
+
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
Multimeter
Connection
Condition
Specified
Condition
K-012 (1) - Body
ground
Always
No continuity
K-012 (15) - Body
ground
Always
No continuity
K-012 (16) - Body
ground
Always
No continuity
K-012 (39) - Body
ground
Always
No continuity
K-012 (40) - Body
ground
Always
No continuity
RT21311190
-
+
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
Multimeter
Connection
Condition
Specified
Condition
K-012 (1) - Body
ground
Always
No continuity
K-012 (9) - Body
ground
Always
No continuity
K-012 (10) - Body
ground
Always
No continuity
K-012 (11) - Body
ground
Always
No continuity
K-012 (12) - Body
ground
Always
No continuity
Repair or replace A/C wire harness and
connector
NG
31–
49
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
OK
Replace HVAC control panel assembly
NG
System operates normally
OK
31–
50
31
DTC
B2166
Error of AC Mode Actuator
ET21310140
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
4 1
5 2
6 3
B
K-009
6
WL
19
4
YW
17
3
GR
20
1
2
Br
1
W
18
M
A
B
MODE DAMPER MOTOR
K-009
31–
51
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 mode damper motor connector K-009.
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 mode damper motor.
b. Install the new mode 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
B2166
Error of AC Mode
Actuator
Ignition switch ON
Mode damper motor
Wire harness and connector
HVAC control panel
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 mode damper motor
Replace mode damper motor
NG
OK
NO
YES
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