Chery Tiggo 5 (T21). Service manual — part 278

25–

45

25

a. Turn ignition switch to LOCK.
b. Disconnect the negative battery cable.
c. Check rear left wheel speed sensor mounting bolt for looseness.
d. Check if excessive clearance exists between the installation position of rear left wheel speed sensor and

rear hub ring gear.

e. Check the installation position of rear left wheel speed sensor for dirt.

a. Connect X-431 3G diagnostic tester (the latest software) to Data Link Connector (DLC).
b. Drive the vehicle straight ahead, and read the data stream of rear left wheel speed sensor with X-431 3G

diagnostic tester.

c. Check if the data change of rear left wheel speed sensor matches the change of other wheel speed

sensors.

a. Remove the rear left hub assembly.
b. Check for foreign matter, missing teeth or damage on the rear left hub ring gear.
c. Check if the rear left hub assembly is securely installed.

2

Check installation of rear left wheel speed sensor

OK

Tighten mounting bolt properly, clean or
replace rear left wheel speed sensor

NG

3

Check rear left wheel speed sensor

OK

Replace rear left wheel speed sensor

NG

4

Check rear left hub ring gear

OK

Replace rear left hub ring gear

NG

OK

25–

46

25

a. Turn ignition switch to LOCK.
b. Disconnect the negative battery cable.
c. Disconnect the ABS control module assembly connector

E-085.

d. Disconnect the rear left wheel speed sensor connector



B-029.

e. Using a digital multimeter, check for continuity between

the terminals of connector E-085 and connector B-029 to
check if there is an open in the wire harness and
connector according to the table below.
Standard Condition

f. Disconnect the engine compartment wire harness

connector E-029 and body wire harness connector B-054.

g. Using a digital multimeter, check for continuity between

the terminals of connector E-085 and connector E-029 to
check if there is an open in the wire harness and
connector according to the table below.
Standard Condition

5

Check wire harness and connector (rear left wheel speed sensor - ABS control module
assembly)

RT21250290

E-085

13

12 11 10 9 8 7 6 5 4 3 2

24 23 22 21 20 19 18 17 16 15 14

37 36 35 34 33 32 31 30 29 28 27 26

1

38

25

-

+

2

1

B-029

Multimeter

Connection

Terminal

Condition

Specified

Condition

E-085 (18) -

B-029 (1)

Always

Continuity

E-085 (31) -

B-029 (2)

Always

Continuity

E-085 (31) -

B-029 (1)

Always

No continuity

E-085 (18) -

B-029 (2)

Always

No continuity

B-029 (1) - B-

029 (2)

Always

No continuity

E-085 (18) -

E-085 (31)

Always

No continuity

RT21250300

E-085

13

12 11 10 9 8 7 6 5 4 3 2

24 23 22 21 20 19 18 17 16 15 14

37 36 35 34 33 32 31 30 29 28 27 26

1

38

25

-

+

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

E-029

Multimeter

Connection

Terminal

Condition

Specified

Condition

E-085 (18) -

E-029 (9)

Always

Continuity

E-085 (31) -

E-029 (20)

Always

Continuity

25–

47

25

h. Using a digital multimeter, check for continuity between

the terminals of connector B-054 and connector B-029 to
check if there is an open in the wire harness and
connector according to the table below.
Standard Condition

i. Using a digital multimeter, check for continuity between

connector E-085 and body ground to check if the rear left
wheel speed sensor is short to ground according to the
table below.
Standard Condition

j. Connect the negative battery cable.
k. Turn ignition switch ON.
l. Using a digital multimeter, measure the voltage between

connector E-085 and body ground to check if the rear left
wheel speed sensor is short to power supply according to
the table below.
Standard Condition

RT21250310

-

+

2

1

B-029

1

2

3

4

5

6

7

8

9 10 11

12 13 14 15 16 17 18 19 20 21 22

B-054

Multimeter

Connection

Terminal

Condition

Specified

Condition

B-029 (1) - B-054

(9)

Always

Continuity

B-029 (2) - B-054

(20)

Always

Continuity

RT21250320

E-085

13

12 11 10 9 8 7 6 5 4 3 2

24 23 22 21 20 19 18 17 16 15 14

37 36 35 34 33 32 31 30 29 28 27 26

1

38

25

-

+

Multimeter

Connection

Terminal

Condition

Specified

Condition

E-085 (18) - Body

ground

Always

No continuity

E-085 (31) - Body

ground

Always

No continuity

RT21250330

E-085

13

12 11 10 9 8 7 6 5 4 3 2

24 23 22 21 20 19 18 17 16 15 14

37 36 35 34 33 32 31 30 29 28 27 26

1

38

25

-

+

V

Multimeter

Connection

Terminal

Condition

Specified

Condition

E-085 (18) - Body

ground

Ignition switch ON Approximately 0 V

E-085 (31) - Body

ground

Ignition switch ON Approximately 0 V

25–

48

25

a. Use X-431 3G diagnostic tester to clear the DTC.
b. Start the engine.
c. Drive the vehicle at 15 km/h or more, read the ABS control module assembly DTC again with X-431 3G

diagnostic tester.

d. Check if the same DTC is output.

Repair or replace wire harness and
connector between rear left wheel speed
sensor and ABS control module assembly

NG

6

Reconfirm DTCs

OK

System operates normally

NO

Replace ABS control module assembly

YES