Chery Tiggo 5 (T21). Manual — part 178
15–
47
15
Check for Short
a. Remove the engine switch (
b. Check the engine switch (
).
a. Connect related wire harness connectors.
b. Connect the negative battery cable.
c. Turn ignition switch ON.
d. Connect X-431 3G diagnostic tester to Data Link Connector (DLC) to check if any DTC is detected.
Multimeter
Connection
Condition
Specified
Condition
I-004 (11) or I-013
(5) - Body ground/
Battery positive
Always
No continuity
I-004 (4) or I-013
(3) - Body ground/
Battery positive
Always
No continuity
I-004 (9) or I-013
(2) - Body ground/
Battery positive
Always
No continuity
Repair or replace instrument panel wire
harness
NG
6
Check engine switch
OK
Repair or replace engine switch
NG
7
Confirm DTCs
OK
Repair or replace PEPS controller
NG
OK
System operates normally
15–
48
15
DTC
B1509-00 Abnormality in Brake Signal No Subtype Information
ET21140090
CVT
PEPS (J1)
I-029
J101
J102
J103
J104
J105
J106
J107
J108
J109
J110
J111
J112
J113
J114
J115
J116
Gr
I-029
RB
RB
J112
3
16
B-059
I-035
BRAKE SWITCH
B-052
18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
W
I-035
1
2
3
4
Lg
B-052
15–
49
15
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
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.
DTC Code
DTC Definition
DTC Detection
Condition
Possible Cause
B1509-00
Abnormality in Brake
Signal No Subtype
Information
Engine switch ON
Wire harness or connector damaged
Brake switch assembly
Passive Entry & Passive Start (PEPS)
controller
CAUTION
When performing electrical equipment diagnosis and test, always refer to the circuit diagram for related
circuit and component information.
1
Check wire harness and connector
Repair or replace related wire harness and
connector
NG
OK
15–
50
15
Check for Open
Check for Short
Check for Open
Check for Short
2
Check body wire harness
-
+
RT21150370
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18
B-059
1
2
3
4
B-052
Multimeter
Connection
Condition
Specified
Condition
B-052 (3) - B-059
(16)
Always
Continuity
Multimeter
Connection
Condition
Specified
Condition
B-052 (3) or
B-059 (16) - Body
ground
Always
No continuity
B-052 (3) or
B-059 (16) -
Battery positive
Always
No continuity
Repair or replace body wire harness
NG
3
Check instrument panel wire harness
OK
-
+
RT21150380
J101
J102
J103
J104
J105
J106
J107
J108
J109
J110
J111
J112
J113
J114
J115
J116
I-029
18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
I-035
Multimeter
Connection
Condition
Specified
Condition
I-029 (J112) -
I-035 (16)
Always
Continuity
Multimeter
Connection
Condition
Specified
Condition
I-029 (J112) or
I-035 (16) - Body
ground
Always
No continuity
I-029 (J112) or
I-035 (16) -
Battery positive
Always
No continuity
Repair or replace instrument panel wire
harness
NG
OK
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