Geely Emgrand X7. Manual part — 403

5

Replace ABS control module assembly

(a) Replace ABS control module assembly, Refer to 6,6,7,1 hydraulic electric control unit replacements.

(b) Connect to battery negative cable.

(c) Turn on ignition switch, confirm ABS warning lamp is ON.

(d) Make sure that the repair work is finished.

6

The system is normal.

Repair or replace the wire harness or the wire

No

Yes

Next

1611

6.6.6.11 Wheel Speed Sensor Malfunction Diagnosis

Diagnostic Trouble
Code (DTC)

Failure Type

C1200

Left front speed sensor wire fault(open circuit and short circuit)

C1201

Left front speed sensor signal fault (over range of signal. Interrupt of signal .signal
invalid and so on.)

C1203

Right front speed sensor wire fault(open circuit and short circuit)

C1204

Right front speed sensor signal fault (Overrange of signal, interrupt of signal ,signal
invalid and so on,)

C1206

Left rear speed sensor wire fault(open circuit and short circuit)

C1207

Left rear wheel speed sensor signal faults (signal exceeding range, signal interrupting
and signal invalidation etc.)

C1209

Right rear speed sensor wire fault(open circuit and short circuit)

C1210

Right rear speed sensor signal fault (Overrange of signal, interrupt of signal ,signal
invalid and so on,)

C1213

Wheel speed sensor frequency fault (the wheel speed difference is too large).

Notes:

This maintenance manual is only targeted at the troubleshooting of the front left wheel speed sensor.
Troubleshooting of other wheel speed senors is similar. See Diagnosis of Front Left Wheel Speed Sensor
Malfunctions.

Circuit diagram:

1612

NL06-1011b

3 CA13

78 EN01

17 CA13

7 IP12

16 CA13

13 IP01

32 CA13

30 CA13

2 IP56

4 CA13

13 CA13 38 CA13

31 IP01

R

18

2

CA13

CA16

6

1

CA13

CA16

34

2

CA13

CA07

22

1

CA13

CA07

10

A

IF34

1 CA13

40A

EF04

25 CA13

25A

EF03

IG

+BRAKE LIGHT SW

GND

GND

EBD WARING LMP

ABS WARING LMP

DIAGNOSTIC K

WP RR WS RR

WP FR

WS FR

WP FL

WS FL

WP RL WS RL

制动灯
开关

左后轮速
传感器

右后轮速
传感器

左前轮速
传感器

33

2

CA13

SO28

20

1

CA13

SO28

19

2

CA13

SO25

31

1

CA13

SO25

右前轮速
传感器

ABS控制模块

IG2

ALT

ECM

诊断接口

组合仪表

Diagnostic Steps:

1

Inspect the left front wheel speed sensor harness connector.

A． Inspect whether the left front wheel sensor harness connector is correctly connected.

2

Inspect the installation of the left front wheel speed sensor.

A. Check whether the front left wheel speed sensor is correctly installed.

B . Tighten torque: 10Nm(Metric)7 . 4lb-ft (English system)

3

Inspect the left front wheel speed sensor.

Connect the harness connector properly.

Correctly install the left front wheel speed

Yes

No

Yes

No

ABS control module

Right

rearspeed

sensor

Left rear

speed

sensor

Right

front

speed

sensor

Left front

speed

sensor

Brake

lamp

switch

Combination instrument

Diagnostic
s interface

1613

A. Test the front left wheel speed sensor with a

multimeter according to the following tables.

Note: rotate the wheel by hand when measuring.

B. Confirm whether the voltage and current are the

standard values.

NL06-1015b

2

1

CA07 左前轮速传感器线束连接器

2

1

Wheel speed sensor

Descriptions

Sensor type

Hall-type speed sensor

Signal current

Low level: 5.6 - 8.4 mA; high level: 11.2 - 16.8 mA

Clearance value with signal panel

Front axle 1.626 mm (0.064in)

Rear axle 0.597 mm (0.023 in)

4

Inspect the harness (that between the left front wheel speed sensor and the ABS control module).

(a) Disconnect left front speed sensor harness

connector.

(b)

Disconnect ABS control module harness
connector.

(c) Use multimeter to measure resistance between

connector CA13 terminal 34 and CA07 terminal
2.

(d) Use multimeter to measure resistance between

connector CA13 terminal 22 and CA07 terminal
1.

NL06-1016b

25

1

26

27

28

29

30

31

32

33

34

35

36

37

38

13

24

12

14

15

16

17

18

19

20

21

22

23

2

3

4

5

6

7

8

9

10

11

CA13 ABS控制模块线束连接器

34

22

Go to step 5

No

Yes

CA07Left front speed sensorharness connector

CA13ABS control module harness connector

1614