Chery T21 2014 Service Manual page 1359

DTC Code DTC Definition
AC Ambient
Temperature Sensor
B2126
Short to Ground or
Open Circuit
CAUTION
 When performing electrical equipment diagnosis and test, always refer to the circuit diagram for related
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 and A/C wire harness connector K-007.
d. Disconnect the instrument panel wire harness connectors I-039 and I-034.
e. Disconnect the engine compartment wire harness connector E-027 and outside temperature sensor
connector E-047.
f. Check if wire harnesses are worn, pierced, pinched or partially broken.
g. Look for broken, bent, protruded or corroded terminals.
h. Check if related connector pins are in good condition.
Repair or replace related wire harness and
NG
connector
2
Check outside temperature sensor
a. Remove the outside temperature sensor.
b. Install the new outside temperature sensor to vehicle.
c. Use X-431 3G diagnostic tester to check if DTCs are still output.
Replace outside temperature sensor
NO
Chery Automobile Co., Ltd.
DTC Detection
Condition
 Outside temperature sensor
 Wire harness and connector
Ignition switch ON
 HVAC control panel
31 - AIR CONDITIONING
Possible Cause
OK
YES
31–
31
33