Infiniti G35 (V35) Sedan. Manual - part 1257

 

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Infiniti G35 (V35) Sedan. Manual - part 1257

 

 

SRC-176

< COMPONENT DIAGNOSIS >

B1202, B1203, B1204, B1205, B1206, B1207 DIAGNOSIS SENSOR UNIT

>> GO TO 3.

3.

DTC CODE

If DTC is detected. Refer to 

SRC-26

>> END

DTC CONFIRMATION PROCEDURE (Without CONSULT-lll)

NOTE:
• SRS will not enter diagnosis mode if no malfunction is detected in user mode.

1.

IGNITION SWITCH

Turn ignition switch ON.

>> GO TO 2.

2.

USER MODE-DIAG MODE

After air bag warning lamp illuminates for 7 seconds, turn ignition switch OFF within 1 second.

>> GO TO 3.

3.

USER MODE-DIAG MODE

Wait more than 3 seconds.

>> GO TO 4.

4.

USER MODE-DIAG MODE

Repeat step 1 to 3 twice. (Perform three times in all.)

>> GO TO 5.

5.

DIAG MODE

Turn ignition switch ON. (SRS is now in diagnosis mode.)

>> GO TO 6.

6.

DIAG MODE (AIR BAG WARNING LAMP)

Malfunctioning portion is indicated according to blinking times of air bag warning lamp. Refer to 

SRC-26

>> END

Diagnosis Procedure (Component diagnosis)

INFOID:0000000000959755

B1202, B1203, B1204, B1205, B1206, B1207 DIAGNOSIS SENSOR UNIT

SRC-177

< COMPONENT DIAGNOSIS >

C

D

E

F

G

I

J

K

L

M

A

B

SRC

N

O

P

With CONSULT-lll

CAUTION:

• Before servicing, turn ignition switch OFF, disconnect both battery terminals and wait at least 3 min-

utes. (To discharge backup capacitor.)

• Do not use unspecified tester or other measuring device. 

DIAGNOSTIC PROCEDURE

1.

CHECK HARNESS CONNECTOR

Check the harness connector.
Are connections of harness connectors and terminals correct?

YES

>> GO TO 2.

NO

>> Repair or replace harness connectors.

2.

CHECK WIRING HARNESS

Check the wiring harness.

Is the outside of wiring harness normal, without any damage?

YES

>> GO TO 3.

NO

>> Replace wiring harness.

3.

CHECK DIAGNOSIS SENSOR UNIT

Check the displayed on CONSULT-lll?

Is “DIAGNOSIS SENSOR UNIT” displayed on CONSULT-lll?

YES

>> Replace diagnosis sensor unit (ACU).
>> INSPECTION END.

SRC-178

< COMPONENT DIAGNOSIS >

B1209 FRONTAL COLLISION DETECTION

B1209 FRONTAL COLLISION DETECTION

Description

INFOID:0000000000959756

DTC B1209 FRONTAL COLLISION DETECTION

If the components that are not activated in frontal collision are reused, they should be checked for damage by
CONSULT-lll or air bag warning lamp. Repair or replace malfunctioning components.

OPERATION

The air bag and seat belt pre-tensioners for driver and front seat passenger are operated by the decision of
the diagnosis sensor unit out signaltransmitted because of the frontal collision.

STRUCTURE

It consists of crash zone sensor, diagnosis sensor unit (ACU), air bags and seat belt pre-tensioners for drivers
and front passenger.

INSTALLATION

Refer to 

SR-14, "Removal and Installation"

SR-16, "Removal and Installation"

SR-4, "Removal and Installa-

tion"

SR-10, "Removal and Installation"

SB-5, "SEAT BELT RETRACTOR : Removal and Installation"

.

DTC Logic

INFOID:0000000000959757

DTC DETECTION LOGIC

With CONSULT-lll

DTC No. Index (“SELF-DIAG [CURRENT]”), (“SELF-DIAG [PAST]” or “TROUBLE DIAG RECORD”)

DTC CONFIRMATION PROCEDURE (With CONSULT-lll)

1.

IGNITION SWITCH

Turn ignition switch ON.

>> GO TO 2.

2.

CONSULT-LLL

Select “DIAG MODE” with CONSULT-lll.

>> GO TO 3.

3.

DTC CODE

If DTC is detected. Refer to 

SRC-178

>> END

Diagnosis Procedure (Component diagnosis)

INFOID:0000000000959758

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B1209

FRONTAL COLLISION 
DETECTION

Seat belt pretensioner, front air bag is 
deployed.

• Go  to 

SRC-178, 

"Diagnosis Procedure (Component

diagnosis)"

.

B1209 FRONTAL COLLISION DETECTION

SRC-179

< COMPONENT DIAGNOSIS >

C

D

E

F

G

I

J

K

L

M

A

B

SRC

N

O

P

With CONSULT-lll

CAUTION:

• Before servicing, turn ignition switch OFF, disconnect both battery terminals and wait at least 3 min-

utes. (To discharge backup capacitor.)

• Do not use unspecified tester or other measuring device. 

DIAGNOSTIC PROCEDURE

1.

CHECK FOR FRONT “AIR BAG” 

Check the driver or passenger side air bag.
Is the “AIR BAG” module deployed?

YES

>> Replace “”

NO

>> Replace, if there are any malfunction signs checking with CONSULT-lll.

2.

CHECK FOR "SEAT BELT" PRE-TENSIONER

Check the seat belt pre-tensioner.

Is the “SEAT BELT” pre-tensioner activated?

YES

>> Replace “SEAT BELT” pre-tensioner.

NO

>> Replace, if there are any malfunction signs checking with CONSULT-lll.

3.

CHECK FOR “AIR BAG” DIAGNOSIS SENSOR UNIT

Check the diagnosis sensor unit.

Is the “AIR BAG” module and/or “SEAT BELT” pre-tensioner activated?

YES

>> Replace diagnosis sensor unit (ACU).

NO

>> Replace, if there are any malfunction signs checking with CONSULT-lll.

4.

CHECK FOR STEERING WHEEL

Check the steering wheel.
Is the steering wheel normal, without any damage?

YES

>> Replace, if there are any visible signs of damage. (dents, tears or deformation)

NO

>> Replace steering wheel.

5.

CHECK FOR SPIRAL CABLE

Check the spiral cable.

Is the spiral cable normal, without excessive heavy operation force, abnormal noise or damage?

YES

>> The spiral cable used again.

NO

>> Replace spiral cable.

6.

CHECK FOR WIRING HARNESS

Check the wiring harness.

Is the wiring harness normal, without any damage?

YES

>> Replace, if there are any visible signs of damage. (dents, tears or deformation)

NO

>> Replace wiring harness or harness connector.

7.

CHECK FOR INSTRUMENT PANEL

Check the instrument panel (passenger side).
Is the side “AIR BAG” module activated?

YES

>> Replace instrument panel.

NO

>> Replace, if there are any visible signs of damage. (dents, tears or deformation)

 

 

 

 

 

 

 

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