Chery T21 2014 Service Manual page 1386

31 - AIR CONDITIONING
DTC Code
AC Recirculation
B2172
Actuator
CAUTION
 When performing electrical equipment diagnosis and test, always refer to the circuit diagram for related
31
circuit and component information.
Diagnosis Procedure
1
Check wire harness and connector
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 inner/outer circulation damper motor connector K-006.
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.
Repair or replace A/C wire harness and
NG
connector
2
Check inner/outer circulation damper motor
a. Remove the inner/outer circulation damper motor.
b. Install the new inner/outer circulation damper motor to vehicle.
c. Use X-431 3G diagnostic tester to check if DTCs are still output.
Replace inner/outer circulation damper
NO
motor
60
31–
DTC Detection
DTC Definition
Ignition switch ON
Condition
 Inner/Outer circulation damper motor
 Wire harness and connector
 HVAC control panel
Chery Automobile Co., Ltd.
Possible Cause
OK
YES