Chery T21 2014 Service Manual page 716

15 - SQR484F STARTING SYSTEM
DTC Code
Front Internal LF
B1502-13
Antenna Circuit Open
Middle Internal LF
B1503-13
Antenna Circuit Open
Rear Internal LF
B1504-13
Antenna Circuit Open
CAUTION
 When performing electrical equipment diagnosis and test, always refer to the circuit diagram for related
circuit and component information.
DTC Confirmation Procedure
Confirm that battery voltage is normal before performing the following procedures.
 Turn ignition switch to LOCK.
 Connect X-431 3G diagnostic tester (the latest software) to Data Link Connector (DLC).
 Turn ignition switch ON.
 Use X-431 3G diagnostic tester to record and clear the DTCs stored in the PEPS system.
 Turn ignition switch to LOCK and wait for a few seconds.
 Use X-431 3G diagnostic tester to 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
Diagnosis Procedure
15
1
Check wire harness and connector
a. Turn off all the electrical equipment and ignition switch.
b. Disconnect the negative battery cable.
c. Disconnect the PEPS controller connector I-030.
d. Disconnect the front internal low frequency antenna connector I-043, middle internal low frequency
antenna connector B-024 and rear internal low frequency antenna connector B-035.
e. Disconnect the instrument panel wire harness connectors I-035 and I-006, and body wire harness
connectors B-059 and B-003.
f. Check if wire harnesses are worn, pierced, pinched or partially broken.
g. Look for broken, bent, protruded or corroded terminals.
h. Check that the related connector pins are in good condition.
Repair or replace related wire harness and
NG
connector
32
15–
DTC Detection
DTC Definition
Engine switch ON
Condition
 Wire harness or connector damaged
 Front internal low frequency antenna
 Middle internal low frequency antenna
 Rear internal low frequency antenna
 Passive Entry & Passive Start (PEPS)
controller
Chery Automobile Co., Ltd.
Possible Cause
(See page 15-19).
OK