Infiniti G37 Coupe. Manual - part 1189

 

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Infiniti G37 Coupe. Manual - part 1189

 

 

SRC-6

< BASIC INSPECTION >

DIAGNOSIS AND REPAIR WORK FLOW

DETAILED FLOW

1.

GET INFORMATION FOR SYMPTOM 

Get the detailed information from the customer about the symptom. 

>> GO TO 2.

2.

PERFORM PRELIMINARY CHECK

At the beginning of inspection, confirm the condition of power supply circuit, check that the battery is charged
and fuses and fusible links are not blown.

Is the inspection result normal?

YES

>> GO TO 3 or GO TO 4.

NO

>> Repair or replace the battery and fuse/fusible links.

3.

PERFORM SELF-DIAGNOSIS USING CONSULT-III (WITH CONSULT-III)

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

YES

>> GO TO 5.

NO

>> Repeat DTC confirmation with diagnostic procedure.

4.

PERFORM SELF-DIAGNOSIS AIR BAG WARNING LAMP (WITHOUT CONSULT-LLL)

Check the air bag warning lamp status.

Is malfunctioning part detected?

YES

>> GO TO 5.

NO

>> Repeat DTC confirmation with diagnostic procedure.

5.

REPAIR OR REPLACE

Repair or replace the malfunctioning part.

After the malfunction is repaired, erase the self-diagnostic result. Refer to 

SRC-15, "Diagnosis Description"

.

>> GO TO 6.

6.

FINAL CHECK

Check the screen of CONSULT-III and /or Air bag warning lamp status.

Are all malfunctions corrected?

YES

>> INSPECTION END.

NO

>> GO TO 3 or GO TO 4.

SRS AIR BAG SYSTEM

SRC-7

< FUNCTION DIAGNOSIS >

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FUNCTION DIAGNOSIS

SRS AIR BAG SYSTEM

System Diagram

INFOID:0000000001694471

System Description

INFOID:0000000001694472

This SRS Air Bag System has the following function.

1.

Detects crash and supplies the energy for deploying air bag and seat belt pre-tensioner.

2.

Detects electrical trouble in air bag system and seat belt pre-tensioner system, records trouble code, and
blinking air bag warning lamp.

JMHIA0370GB

SRC-8

< FUNCTION DIAGNOSIS >

SRS AIR BAG SYSTEM

3.

Detects and records the deployment of air bag and seat belt pre-tensioner, and turns on air bag warning
lamp.

4.

Indicates malfunctioning portion with blinking times of air bag warning lamp in diagnosis mode.

5.

Indicate the malfunctioning record by CONSULT-III.

6.

Suppress the deployment of passenger air bag when the passenger seat is empty or when occupied by
turns on passenger air bag off indicator (cut-off telltale) when passenger seat is occupied with a child-seat
and child. {Occupant Classification System (OCS).}

7.

Turn on seat belt warning lamp when the Occupant Classification System (OCS) option is adult or child
and the passenger seat belt buckle switch is not on.

Component Parts Location

INFOID:0000000001694473

JMHIA0424ZZ

1. Front passenger air bag module

2. Driver air bag module

3. Spiral cable

4.

Passenger air bag off indicator 
(Cut-off telltale)

5. Diagnosis sensor unit (ACU)

6. Satellite sensor (LH/RH)

7.

Front seat belt pre-tensioner (LH/
RH)

8. Seat belt buckle switch (LH/RH)

9. Front side air bag module (LH/RH)

10. Curtain air bag module

11. Crash zone sensor

12. OCS seat sensor mat

13. OCS control unit

SRS AIR BAG SYSTEM

SRC-9

< FUNCTION DIAGNOSIS >

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Component Description

INFOID:0000000001694474

• Air bag sensor are prepared for operation while the ignition switch is in the ON or START position.
• The operation of supplemental restraint system is different from collision modes applicaitions. For example,

the driver air bag module and front passenger air bag module are activated in a frontal collision but not in a
side collision.

• SRS configurations which are activated for some collision modes are as follows.

×

: Application,  —: Not application

JMHIA0371GB

SRS configuration

Frontal collision

Left side collision

Right side collision

Driver air bag module. Refer to 

SRC-129

×

Front passenger air bag module. Refer to 

SRC-129

×

Front LH seat belt pre-tensioner. Refer to 

SRC-129

×

Front RH seat belt pre-tensioner. Refer to 

SRC-129

×

Front LH side air bag module. Refer to 

SRC-131

×

Front RH side air bag module. Refer to 

SRC-131

×

LH side curtain air bag module. Refer to 

SRC-131

×

RH side curtain air bag module. Refer to 

SRC-131

×

 

 

 

 

 

 

 

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