Chery T21 2014 Service Manual page 924

18 - QR019CHB CVT
DTC Code
Hydraulic Oil
P0938 Temperature Sensor
Range
Hydraulic Oil
P0939 Temperature Sensor
Circuit Low
Hydraulic Oil
P0940 Temperature Sensor
Circuit High
DTC Confirmation Procedure:
Confirm that battery voltage is between 11 and 14 V before performing the following procedures.
 Turn ignition switch to LOCK.
 Connect X-431 3G diagnostic tester (the latest software) to Data Link Connector (DLC), and make it
communicate with vehicle electronic module by the data network.
 Turn ignition switch to ON.
 Using X-431 3G diagnostic tester to record and clear the DTCs stored in the TCU.
 Turn ignition switch to LOCK and wait for a few seconds.
 Turn ignition switch to ON, and then select "Read Code".
 If DTC is detected, the malfunction indicated by the DTC is current. Go to the diagnosis procedure - Step 1.
 If DTC is not detected, the malfunction indicated by the DTC is intermittent. Please refer to Intermittent
DTC Troubleshooting.
18
Diagnosis Procedure
HINT:
After the fault is eliminated, verify DTC and symptom again.
1
Check wire harness connector
a. Turn ignition switch to LOCK.
b. Disconnect the transmission wire harness connector.
c. Check if the transmission wire harness connector is dirty, oxidized, loose or damaged.
Repair fault
NG
90
18–
DTC Detection
DTC Definition
Start engine and wait
for at least 3 seconds
DTC Set
Condition Condition
The CVT oil
temperature
sensor voltage is
less than the
high oil
temperature
Standard value
The CVT oil
temperature
sensor voltage is
less than the
standard min
value
When the CVT
oil temperature
sensor voltage is
higher than the
standard max
value
Chery Automobile Co., Ltd.
Possible Cause
 CVT oil
temperature
sensor failure
 Signal circuit open
or short circuit
 TCU signal circuit
failure
OK