Chery T21 2014 Service Manual page 733

DTC Code DTC Definition
Abnormality in Brake
B1509-00 Signal No Subtype
Information
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
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 brake switch connector B-052 and PEPS controller connector I-029.
d. Disconnect the instrument panel wire harness connector I-035 and body wire harness connector B-059.
e. Check if wire harnesses are worn, pierced, pinched or partially broken.
f. Look for broken, bent, protruded or corroded terminals.
g. Check that the related connector pins are in good condition.
Repair or replace related wire harness and
NG
connector
Chery Automobile Co., Ltd.
DTC Detection
Condition
 Wire harness or connector damaged
 Brake switch assembly
Engine switch ON
 Passive Entry & Passive Start (PEPS)
15 - SQR484F STARTING SYSTEM
Possible Cause
controller
(See page 15-19).
15
OK
49
15–