Chery T21 2014 Service Manual page 1362

31 - AIR CONDITIONING
4
Check wire harness and connector (HVAC control panel assembly - body ground)
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 system is
short to ground according to the table below.
Standard Condition
31
Multimeter
Connection
K-012 (38) - Body
ground
K-012 (22) - Body
ground
Repair or replace A/C wire harness and
NG
connector
5
Reconfirm DTCs
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.
Replace HVAC control panel assembly
NG
System operates normally
36
31–
Specified
Condition
Condition
Always No continuity
Always No continuity
+ -
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-012
Chery Automobile Co., Ltd.
RT21311110
OK
OK