Chery Tiggo 5 (T21). Manual — part 337
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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 mode damper motor connector K-009
e. Using a digital multimeter, check for continuity between
terminals of connector K-012 and connector K-009 to
check if there is an open in mode damper motor
according to the table below.
Standard Condition
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 mode
damper motor circuit is short to ground according to the
table below.
Standard Condition
3
Check wire harness and connector (HVAC control panel assembly - mode damper motor)
RT21311200
-
+
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-009
4 1
5 2
6 3
Multimeter
Connection
Condition
Specified
Condition
K-012 (18) -
K-009 (1)
Always
Continuity
K-012 (1) - K-009
(2)
Always
Continuity
K-012 (20) -
K-009 (3)
Always
Continuity
K-012 (17) -
K-009 (4)
Always
Continuity
K-012 (19) -
K-009 (6)
Always
Continuity
Repair or replace A/C wire harness and
connector
NG
4
Check wire harness and connector (HVAC control panel assembly - body ground)
OK
RT21311210
-
+
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 (17) - Body
ground
Always
No continuity
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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.
K-012 (18) - Body
ground
Always
No continuity
K-012 (19) - Body
ground
Always
No continuity
K-012 (20) - Body
ground
Always
No continuity
Repair or replace A/C wire harness and
connector
Multimeter
Connection
Condition
Specified
Condition
NG
5
Reconfirm DTCs
OK
Replace HVAC control panel assembly
NG
System operates normally
OK
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31
DTC
B2169
Error of AC Blower Actuator
ET21310150
BATTERY
BLOWER
RELAY
ERLY15
85
30
86
87
MF05
30A
F8
F9
5
YR
ENGINE
COMPARTMENT
FUSE AND
RELAY BOX
25
28
26
3
6
1
1
2
4
5
2
Br
RW
WBL
2
GR
GR
8
7
17
R
R
RB
13
SPEED RESISTOR
B
B
G
P
M
BLOWER
1
2
1
2
3
4
5
6
1
2
3
4
5
6
7
8
9 10
11
12
13
14 15
F12
F24
F11
F23
F10
F22
F9
F21
F8
F20
F7
F19
F6
F18
F5
F17
F4
F16
F3
F15
F2
F14
F1
F13
5
W
E-069
E-063
E-063
E-069
K-008
K-004
W
K-012
W
K-007
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
1
2
3
4
5
6
8
9
10 11
13 14
15 16
18
17
21
20
22
7
12
19
HVAC
CONTROL
PANEL
K-012
B
K-004
W
K-008
I-039
K-007
E-027
I-034
I-038
W
E-027
E-027
I-034
IGNITION SWITCH
ON OR ACC
RF13
7.5A
13
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
9
10
11
12
13
14
15
3
4
5
6
7
8
B
I-007
W
I-034
YR
7
INSTRUMENT
PANEL FUSE
AND RELAY
BOX
I-007
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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 blower connector K-008 and blower speed resistor connector K-004.
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 blower.
b. Install the new blower 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
B2169
Error of AC Blower
Actuator
Ignition switch ON
Fuse
Relay
Blower motor
Blower speed resistor
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 blower
Replace blower
NG
OK
NO
YES
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