Infiniti G35 (V35) Sedan. Manual - part 1238

 

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Infiniti G35 (V35) Sedan. Manual - part 1238

 

 

SRC-100

< COMPONENT DIAGNOSIS >

B1088 PRE-TEN FRONT LH

B1088 PRE-TEN FRONT LH

Description

INFOID:0000000000959678

DTC B1088 [GND-SHORT] PRE-TEN FRONT LH

For seat belt pre-tensioner, crash is judged by main “G” sensor output signal and sub “G” sensor in front direc-
tion.

OPERATION

In case of frontal collision that exceeds specified impact level, the diagnosis sensor unit detects the decelera-
tion caused by collision. If restrains the passenger with seat belt easing the stress on passengers chest with
load limitter.

STRUCTURE

The restraint system for front seat occupant consists of the pre-tensioner mechanism and load limitter mecha-
nism.

INSTALLATION

Seat belt pre-tensioner is installed on the under side of center pillar with fixed nuts.

DTC Logic

INFOID:0000000000959679

DTC DETECTION LOGIC

With CONSULT-lll

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

Without CONSULT-lll

Warning Lamp Flash Code Chart

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.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B1088

PRE-TEN FRONT LH 
[GND-SHORT]

Front LH seat belt pretensioner circuit is 
shorted to ground.

1.

Visually check the wiring harness-
connection.

2.

Replace the harness if it has visi-
ble damage.

3.

Replace front LH seat belt.

4.

Replace diagnosis sensor unit 
(ACU).

JMHIA0038GB

B1088 PRE-TEN FRONT LH

SRC-101

< COMPONENT DIAGNOSIS >

C

D

E

F

G

I

J

K

L

M

A

B

SRC

N

O

P

>> GO TO 3.

3.

DTC CODE.

If DTC is detected. Refer to 

SRC-101

>> 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-101

>> END

Diagnosis Procedure (Component diagnosis)

INFOID:0000000000959680

SRC-102

< COMPONENT DIAGNOSIS >

B1088 PRE-TEN FRONT LH

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 connector.

2.

CHECK WIRING HARNESS

Check the wiring harness.

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

YES

>> GO TO 3.

NO

>> Replace wiring harness.

3.

CHECK SEAT BELT PRE-TENSIONER

Check the displayed on CONSULT-lll?

Is “SEAT BELT PRE-TENSIONER” displayed on CONSULT-lll?

YES

>> Replace seat belt pre-tensioner.

NO

>> Replace diagnosis sensor unit (ACU).

B1089 PRE-TEN FRONT LH

SRC-103

< COMPONENT DIAGNOSIS >

C

D

E

F

G

I

J

K

L

M

A

B

SRC

N

O

P

B1089 PRE-TEN FRONT LH

Description

INFOID:0000000000959681

DTC B1089 [SHORT] PRE-TEN FRONT LH

For seat belt pre-tensioner, crash is judged by main “G” sensor output signal and sub “G” sensor in front direc-
tion.

OPERATION

In case of frontal collision that exceeds specified impact level, the diagnosis sensor unit detects the decelera-
tion caused by collision. If restrains the passenger with seat belt easing the stress on passengers chest with
load limitter.

STRUCTURE

The restraint system for front seat occupant consists of the pre-tensioner mechanism and load limitter mecha-
nism.

INSTALLATION

Seat belt pre-tensioner is installed on the under side of center pillar with fixed nuts.

DTC Logic

INFOID:0000000000959682

DTC DETECTION LOGIC

With CONSULT-lll

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

Without CONSULT-lll

Warning Lamp Flash Code Chart

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.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B1089

PRE-TEN FRONT LH 
[SHORT]

Front LH seat belt pretensioner circuit 
are shorted to each other.

1.

Visually check the wiring harness-
connection.

2.

Replace the harness if it has visi-
ble damage.

3.

Replace front LH seat belt.

4.

Replace diagnosis sensor unit 
(ACU).

JMHIA0038GB

 

 

 

 

 

 

 

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