Geely EC718, EC718RV, EC715, EC715RV. Manual part — 363

1

9 10 11 12 13 14 15 16

23

22

21

20

19

18

17

2

3

4

5

6

7

8

Airbag Control Module 2 Harness
Connector SO08

FE09-5203b

Yes

Step 5

Replace the airbag control module.

(a)

Replace the airbag control module. Refer to

9.2.7.1

Airbag

Control Module Replacement

.

(b)

Confirm the repair completed.

Next

Step 6

System normal.

9.3.6.3 Front Passenger Seat Belt Warning Lamp Malfunction

Schematic:

Refer to

9.3.6.2

Driver Seat Belt Warning Lamp Inoperative

in the circuit diagram.

Diagnostic Steps:

Step 1

Check the instrument cluster wiring harness.

1

2

3

4

5

6

12

11

10

9

8

7

Instrument Cluster Harness
Connector IP01

FE09-5205b

(a)

Check the wiring harness connector IP01 to the instrument
cluster harness and connectors.

(b)

With a multimeter, measure voltage according to the
following table.

Instrument

Cluster Terminal

Signal Name

Voltage Current

2

Power Supply

12 V

1 A

5

Body Ground

1 A

6

Passenger Seat

Belt

5 V

20 mA

Data normal?

No

Repair or replace the wiring harness or
connector

Safety Protection Device

Pretension Seat Belt System

9-51

Yes

Step 2

Check the instrument cluster.

(a)

Adjust the clock display, and check whether it works properly.

No

Replace the instrument cluster.

Yes

Step 3

Check the passenger recognition sensor.

(a)

Disconnect the passenger recognition sensor connector
SO18.

(b)

With a multimeter measure sensor resistance according to
the following conditions.

(c)

Measure resistance value when the passenger seat is
occupied with a multimeter.
Standard Resistance: Less than 100 Ω

(d)

Measure resistance value when the passenger seat is not
occupied with a multimeter.
Standard Resistance: 10 kΩ or higher

Data normal?

No

Replace the passenger recognition sensor

Yes

Step 4

Check the wiring harness (passenger recognition sensor to airbag control module).

1 2

Passenger Recognition Sensor SO18

FE09-5206b

(a)

Disconnect the airbag control module connector IP36.

(b)

Measure resistance between the connector SO18 terminal 2
and the connector IP36 terminal 15 with a multimeter.

(c)

Measure resistance between the connector SO18 terminal 1
and the connector IP36 terminal 16 with a multimeter.

Standard Resistance: Less than 1 Ω

(d)

Measure resistance between the connector SO18 terminals
1,2 and the body ground with a multimeter.
Standard Value: 10 kΩ or higher

Data normal?

No

Repair or replace the wiring harness /
connector

9-52

Pretension Seat Belt System

Safety Protection Device

1
7 8

9 10

16

15

14

13

12

11

2 3 4 5 6

Airbag Control Module 3 Harness Connector IP36

FE09-5207b

Yes

Step 5

Check the wiring harness (airbag control module - the passenger seat belt lock).

1 2

Passenger Seat Belt Buckle Harness
Connector SO20

FE09-5208b

1

9 10 11 12 13 14 15 16

23

22

21

20

19

18

17

2

3

4

5

6

7

8

Airbag Control Module 2 Harness Connector SO08

FE09-5209b

(a)

Disconnect the passenger Seat Belt Lock connector SO20
and the airbag control module connector SO08.

(b)

Measure resistance between the connector SO20 terminal 2
and connector SO08 terminal 11 with a multimeter.

(c)

Measure resistance between the connector SO20 terminal 1
and connector SO08 terminal 12 with a multimeter.

Standard Resistance: Less than 1 Ω

(d)

Measure resistance between the connector SO20 terminals
1,2 and the body grounds with a multimeter.
Standard Value: 10 kΩ or higher

Data normal?

No

Repair or replace the wiring harness or
connector

Yes

Step 6

Replace the passenger seat belt lock assembly.

(a)

Replace the passenger seat belt lock assembly. Refer to

9.3.7.1

Front Seat Belt Buckle replacement

.

Safety Protection Device

Pretension Seat Belt System

9-53

Is the passenger seat belt warning lamp normal?

Yes

System normal

No

Step 7

Replace the instrument cluster.

(a)

Replace the instrument cluster. Refer to

11.7.7.1

Instrument

Cluster Replacement

.

Is the passenger seat belt warning lamp normal?

Yes

System normal

No

Step 8

Replace the airbag control module.

(a)

Replace the airbag control module. Refer to

9.2.7.1

Airbag

Control Module Replacement

.

(b)

Confirm the repair completed.

Next

Step 9

System normal.

9-54

Pretension Seat Belt System

Safety Protection Device