Infiniti G37 Coupe. Manual - part 1193

 

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Infiniti G37 Coupe. Manual - part 1193

 

 

SRC-22

< COMPONENT DIAGNOSIS >

B1006, B1007, B1008, B1009, B1010 DIAGNOSIS SENSOR UNIT

>> GO TO 2.

2.

CHECK AIR BAG WARNING LAMP

Check the warning lamp status.

Is malfunctioning part detected?

YES

>> Refer to 

SRC-133, "DTC Index"

.

NO

>> INSPECTION END.

Diagnosis Procedure (Component diagnosis)

INFOID:0000000001694490

With CONSULT-lll

WARNING:

• 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 connection of harness connector.
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness connectors.

2.

CHECK WIRING HARNESS

Check the wiring harness externals.
Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace wiring harness.

3.

CHECK DIAGNOSIS SENSOR UNIT

1.

Replace diagnosis sensor unit (ACU).

2.

Check the screen of CONSULT-III.

Is the inspection result normal?

YES

>> INSPECTION END.

NO

>> Check the intermittent incident. Refer to 

GI-38, "Intermittent Incident"

.

B1011, B1012, B1013, B1014, B1015 DIAGNOSIS SENSOR UNIT

SRC-23

< COMPONENT DIAGNOSIS >

C

D

E

F

G

I

J

K

L

M

A

B

SRC

N

O

P

B1011, B1012, B1013, B1014, B1015 DIAGNOSIS SENSOR UNIT

Description

INFOID:0000000001694491

DTC B1011, B1012, B1013, B1014, B1015 DIAGNOSIS SENSOR UNIT

Detects the whole SRS electrical system and displays the malfunction either by illuminating or blinking the air
bag warning lamp in the combination meter. Malfunctioning part can be detected by on board self-diagnosis
system and electro-diagnosis tester CONSULT-lll.

OPERATION

It detects a shock that exceeds specified level and watches such systems as the driver and passenger air bag,
side air bag, curtain air bag, pre-tensioner seat belts and Occupant Classification System (OCS) operate prop-
erly. 

STRUCTURE

It contains the “G” sensors for both frontal and side collisions and spare battery function in case of main bat-
tery damage in collision.

INSTALLATION

SRS diagnosis sensor unit is installed under the center console with fixed bolts.

DTC Logic

INFOID:0000000001694492

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.

INSPECTION START

Turn ignition switch ON.

>> GO TO 2.

2.

CHECK SELF-DIAG RESULT

Check the screen of CONSULT-lll.

Is malfunctioning part detected?

YES

>> Refer to 

SRC-24, "Diagnosis Procedure (Component diagnosis)"

.

NO

>> INSPECTION END.

DTC CONFIRMATION PROCEDURE (Without CONSULT-lll)

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

1.

INSPECTION START

Turn ignition switch ON.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B1011
B1012
B1013
B1014
B1015

CONTROL UNIT 

Diagnosis sensor unit is out of order.

Internal breakdown in diagnosis sensor 
unit (ACU).

SRC-24

< COMPONENT DIAGNOSIS >

B1011, B1012, B1013, B1014, B1015 DIAGNOSIS SENSOR UNIT

>> GO TO 2.

2.

CHECK AIR BAG WARNING LAMP

Check the warning lamp status.

Is malfunctioning part detected?

YES

>> Refer to 

SRC-133, "DTC Index"

.

NO

>> INSPECTION END.

Diagnosis Procedure (Component diagnosis)

INFOID:0000000001694493

With CONSULT-lll

WARNING:

• 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 connection of harness connector.
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness connectors.

2.

CHECK WIRING HARNESS

Check the wiring harness externals.
Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace wiring harness.

3.

CHECK DIAGNOSIS SENSOR UNIT

1.

Replace diagnosis sensor unit (ACU).

2.

Check the screen of CONSULT-III.

Is the inspection result normal?

YES

>> INSPECTION END.

NO

>> Check the intermittent incident. Refer to 

GI-38, "Intermittent Incident"

.

B1017, B1020, B1021 OCCUPANT SENS C/U

SRC-25

< COMPONENT DIAGNOSIS >

C

D

E

F

G

I

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K

L

M

A

B

SRC

N

O

P

B1017, B1020, B1021 OCCUPANT SENS C/U

Description

INFOID:0000000001694494

DTC B1017, B1020, B1021 [UNIT FAIL] OCCUPANT SENS C/U

Suppresses the deployment of passenger air bag when the condition of passenger seat is empty or child and
child-seat. And turns on cut-off telltale lamp when the condition of passenger seat is child-seat and child. In
case of malfunction the blinking of the SRS air bag warning lamp report the malfunction to driver and by the on
board self-diagnosis system or electro-diagnosis tester CONSULT-lll can detect the cause.

OPERATION

This unit classifies occupant in passenger seat and detects electrical malfunctions in Occupant Classification
System, and transmits malfunction information to air bag control unit.

STRUCTURE

It is integrated into the seat sensor mat and detects the occupants with Occupant Classification System (OCS)
control unit that classifies the occupants.

INSTALLATION

 Occupant Classification System (OCS) control unit is installed in the passenger seat cushion.

DTC Logic

INFOID:0000000001694495

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.

INSPECTION START

Turn ignition switch ON.

>> GO TO 2.

2.

CHECK SELF-DIAG RESULT

Check the screen of CONSULT-lll.
Is malfunctioning part detected?

YES

>> Refer to 

SRC-26, "Diagnosis Procedure (Component diagnosis)"

.

NO

>> INSPECTION END.

DTC CONFIRMATION PROCEDURE (Without CONSULT-lll)

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

1.

INSPECTION START

Turn ignition switch ON.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B1017
B1020
B1021

OCCUPANT SENS C/U 
[UNIT FAIL]

Trouble occurs in OCS-C/U.

• Disconnection of wiring harness.
• Internal breakdown in occupant clas-

sification system control unit.

• Internal breakdown in diagnosis sen-

sor unit (ACU).

 

 

 

 

 

 

 

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