Great Wall Florid. Manual — part 56

GWFLORID Maintenance Manual

222

Steps

Inspection

Operation

3

Inspect the wire harness between the fuse box and SRS airbag

system unit connectors

Warning

If not handled properly, the airbag module and stretch tension

type seat belt may open or tense up, causing serious operator

injury. Therefore, before performing maintenance, please read

the maintenance warnings carefully.

See also airbag system maintenance warning

Set the ignition switch to the "LOCK" position

Loosen the battery's negative cable and wait for at least 1 min

Take out the steering column housing

Loosen the clock spring connector

Take out the glove box (with the front passenger side airbag

module)

Loosen the front passenger side airbag module connectors

Take out the dashboard base

Loosen all the SRS airbag system unit connectors

Install the battery's negative cable, and set the ignition switch to

the ON position. Is the airbag system unit's 25 and 11 connector

pin voltage higher than 9 V?

Yes Go to the next step

No Replace the wire harness

4

Set the ignition switch to the "LOCK" position

Loosen the battery's negative cable and wait for at least 1 min

Take out the left side inner decoration board

Disconnect the SRS airbag system unit switching connectors

Install the battery's negative cable, and set the ignition switch

to the ON position. Is the voltage of the switching connector's

corresponding pin and ground higher than 9 V?

Yes

[Current trouble code]

Replace the SRS airbag system

unit

See also SRS airbag system

SRS airbag system unit

removal/installation

[History trouble code]

Fault diagnosis complete

No Replace the wire harness

6. Driver side malfunction

Type

code 02

Trouble

code

01, 02, 03

Driver side airbag malfunction (resistance too low or too high, short circuit grounded, etc)

Detecting

conditions

Warning

• If it's not handled properly, the airbag module and stretch tension type seat belt may open or tense

up, causing serious operator injury. Therefore, before performing maintenance, please read the

maintenance warnings carefully.

See also airbag system maintenance warning

If there is a driver side front airbag

• The resistance between the terminal stubs of the SRS airbag system unit connector is out of the

specified range

Wire harness related SRS driver side airbag is short or open circuited

Pos-
sible causes

• Driver side airbag module malfunction

• Clock spring internal malfunction

• Connector malfunction between the clock spring and SRS electronic control unit

• The wire harness between the clock spring and the SRS electronic control unit circuit is broken or

short circuited

• SRS driver side airbag generator connectors are improperly connected

223

Airbags

Diagnostic procedures

Steps

Inspection

Operation

1

Inspect the clock spring

Warning

If not handled properly, the airbag module may deploy

and cause serious operator injury. Therefore, before

maintenance, please read the maintenance warnings

carefully.

See also airbag system maintenance warning

Are the components relating to the clock spring work-

ing normally? (The relationship between each pin is

normal, no unnecessary short or open circuit, etc.).

Normal Go to the next step

Abnormal

Replace the clock spring

See also airbag system and clock

spring removal/installation

2

Check whether the malfunction is on the driver side

airbag module or other components

Replace with a good DAB module

Install the battery's negative cable

Set the ignition switch to the "ON" position

Is the trouble code still displayed? Or can it be cleared?

Yes

Replace the driver side

airbag module

See also airbag system and

driver side airbag module

removal/installation

No

Go to the next step

3

Inspect the clock spring's wire harness connectors

Set the ignition switch to the "LOCK" position

Loosen the battery's negative cable and wait for at least

1 min

Take out the steering column housing

Loosen the clock spring connector

Is the clock spring working normally?

Normal Go to the next step

Abnormal Replace the wire harness

4

Check whether the malfunction is on the clock spring

or other components

Set the dedicated detector at 2 Ω position

Install the battery's negative cable

Set the ignition switch to the "ON" position

Is a trouble code displayed?

Yes

Go to the next step

No

Replace the clock spring

See also airbag system and clock

spring removal/installation

5

Check the wire harness between the clock spring and

SRS electronic control unit

Set the ignition switch to the "LOCK". position

Loosen the battery's negative cable and then wait for at

least 1 min

Take out the glove box (with the front passenger side

airbag module)

Loosen the front passenger side airbag module

connectors

Take out the dashboard base

Loosen all the SRS airbag system unit connectors

Check the wire harness of the connectors and terminal

studs between the SRS airbag system electronic control

unit and the clock spring to determine whether they

have the following problems

• Ground

• Short connected with the power supply

• Open circuit

Is the above wire harness normal?

Normal

Replace the SRS airbag system

unit

See also SRS airbag system

SRS airbag system unit removal/

installation

Abnormal Replace the wire harness

6

Check the clock spring connector

Loosen the clock spring connector

Is the clock spring connector normal?

Normal Go to the next step

Abnormal Replace the wire harness

or connectors

GWFLORID Maintenance Manual

224

Steps

Inspection

Operation

7

Inspect the clock spring

Take the clock spring off

See also airbag system and clock spring removal/

installation

Inspect the clock spring

See also airbag system and clock spring inspection

Check the clock spring. Is it normal?

Normal Go to the next step

Abnormal

Replace the clock spring

See also airbag system and clock

spring removal/installation

8

Check the wire harness between the clock spring and

SRS electronic control unit

Set the ignition switch to the "LOCK" position

Loosen the battery's negative cable and then wait for at

least 1 min

Take the glove box off (with the front passenger side

airbag)

Loosen the front passenger side airbag module

connectors

Take out the dashboard base

Loosen all the SRS airbag system unit connectors

Check the wire harness of the connectors' terminal

studs between the SRS electronic control unit and the

clock spring to see whether they have the following

problems.

• Ground

• Short connected with the power supply

• Open circuit

Is the above wire harness normal?

Normal

Replace the driver side

airbag module

See also SRS airbag system

Driver side airbag module

removal/installation

Abnormal Replace the wire harness

7. Front passenger side malfunction

Type code 02

Trouble code

01, 02, 03

Front passenger side airbag module (resistance too low or too high, short circuit, or grounded)

Detecting

conditions

Warning
• If not handled properly, the airbag module and stretch tension type seat belt may open or tense up,

causing serious operator injury. Therefore, before performing maintenance, please read the mainte-
nance warnings carefully.

See also airbag system maintenance warning
If there is a front passenger side airbag
• The resistance between the SRS airbag system unit connector's 3 and 4 pin is out of the specified

range

• The wire harness between the SRS airbag system unit connector’s 3 and 4 pins is short-circuited
• The SRS airbag system unit connector's 1 and 2, and 3 and 4 pins are open-circuited, if there is no

front passenger side airbag

Possible

causes

• Front passenger side airbag module malfunction
• Connector between the front passenger side airbag module and the SRS airbag system electronic

control unit malfunction

• Connectors between the SRS airbag system unit and the grounded point malfunction
• Circuit between the front passenger side airbag module and the SRS airbag system electronic control

unit is broken or short circuited

• Circuit between the SRS airbag system unit and the grounded point is broken or short circuited
• SRS airbag system unit malfunction

225

Airbags

Diagnostic procedures

Steps

Inspection

Operation

1

Is the vehicle equipped with a front passenger side

airbag module?

Yes

Go to the next step

No

Line fault, inspect the wire harness

2

Check the front passenger side airbag module connec-

tor warning

• If not handled properly, the airbag module may deploy

and cause serious operator injury. Therefore, before

maintenance, please read the maintenance warnings

carefully.

See also airbag system maintenance warning

Set the ignition switch to the "LOCK" position

Loosen the battery's negative cable and wait for at least

1 min

Take the glove box off

Loosen the front passenger side airbag module connec-

tors

Is the front passenger side airbag module connector

normal?

Normal

[Current trouble code]

Go to the next step

[History trouble code]

Go to the next step

Abnormal Replace the wire harness

3

Check whether the malfunction is on the front passen-

ger side airbag module or the other components

Connect a good module with the front passenger side

airbag module connector's A and B terminal studs

Connect the battery's negative cable

Set the ignition switch to the "ON" position

Is a trouble code displayed?

Yes

Go to the next step

No

Replace the front passenger side

airbag module

See also airbag system and front

passenger side airbag module re-

moval/installation

4

Inspect the wire harness between front passenger side

airbag module and SRS airbag system electronic con-

trol unit

Set the ignition switch to the "LOCK" position

Loosen the battery's negative cable and then wait for at

least 1 min

Take the steering column housing off

Loosen the clock spring connector

Loosen the driver side and front passenger side airbag

module connectors

Take out the dashboard base

Loosen all the SRS airbag system unit connectors

Inspect the circuit between the connector terminal stubs

of SRS airbag system electronic control unit and front

passenger side airbag module, and check if it has the

following problems

• Ground

• Short connected with the power supply

• Open circuit

Is the related wire harness normal?

Normal

[Current trouble code]

Replace the SRS airbag system

unit

See also SRS airbag system

SRS airbag system unit removal/

installation

[History trouble code]

Fault diagnosis complete

Abnormal Replace related wire harness