Infiniti Q45. Manual - part 870

TROUBLE DIAGNOSIS

SRS-37

C

D

E

F

G

I

J

K

L

M

A

B

SRS

PHIA1240E

PHIA1241E

PHIA1242E

PHIA1243E

SRS-38

TROUBLE DIAGNOSIS

Trouble Diagnosis: “AIR BAG” Warning Lamp Does Not Turn OFF

NHS0004M

DIAGNOSTIC PROCEDURE 7

1. 

CHECK THE DEPLOYMENT OF AIR BAG MODULE

Is air bag module deployed?

YES or NO

YES

>> Refer to 

SRS-51, "COLLISION DIAGNOSIS"

 .

NO

>> GO TO 2.

2. 

CHECK THE AIR BAG FUSE

Check 10A fuse [No.20, located in fuse block (J/B)].
Refer to 

PG-2, "POWER SUPPLY ROUTING"

 .

OK or NG

OK

>> GO TO 4.

NG

>> GO TO 3.

3. 

CHECK AIR BAG FUSE AGAIN

Replace “AIR BAG” fuse and turn ignition switch ON.

Does the “AIR BAG” fuse blow again?

YES

>> Repair or replace main harness.

NO

>> INSPECTION END

4. 

CHECK DIAGNOSIS SENSOR UNIT

Connect CONSULT-II and touch “START”.
Is “AIR BAG” displayed on CONSULT-II?

YES or NO

YES

>> GO TO 5.

NO

>> Visually check the wiring harness connection of diagno-

sis sensor unit. If the harness connection check result is
OK, replace diagnosis sensor unit.

5. 

CHECK HARNESS CONNECTION

Is harness connection between warning lamp and diagnosis sensor unit OK?

OK or NG

OK

>> Replace diagnosis sensor unit.

NG

>> Connect “AIR BAG” warning lamp and diagnosis sensor unit connector properly. If “AIR BAG”

warning lamp still does not go off, replace harness.

BCIA0030E

TROUBLE DIAGNOSIS

SRS-39

C

D

E

F

G

I

J

K

L

M

A

B

SRS

Trouble Diagnosis: “AIR BAG” Warning Lamp Does Not Turn ON

NHS0004N

DIAGNOSTIC PROCEDURE 8

1. 

CHECK “METER” FUSE

Check 10A fuse [No.9, located in fuse block (J/B)].
Refer to 

PG-2, "POWER SUPPLY ROUTING"

 .

OK or NG

OK

>> GO TO 3.

NG

>> GO TO 2.

2. 

CHECK “METER” FUSE AGAIN

Replace 10A fuse [No.9, located in fuse block (J/B)] and turn ignition switch ON.

Does the meter fuse blow again?

YES

>> Repair or replace the related harness.

NO

>> INSPECTION END

3. 

CHECK HARNESS CONNECTION BETWEEN DIAGNOSIS SENSOR UNIT AND COMBINATION 

METER

Disconnect diagnosis sensor unit connector and turn ignition switch ON.
Does “AIR BAG” warning lamp turn ON?

YES or NO

YES

>> Replace diagnosis sensor unit.

NO

>> Replace combination meter assembly.

SRS-40

DRIVER AIR BAG MODULE

DRIVER AIR BAG MODULE

PFP:K8510

Removal and Installation

NHS0004O

REMOVAL

CAUTION:

●

Before servicing SRS, turn the ignition switch off, disconnect both battery cables and wait at least
3 minutes.

●

Always work from the side of driver air bag module.

1.

Remove the side lids.

2.

Using Tamper resistant TORX bit (TH30), remove the TORX
bolts (T30) at right and left.

3.

Lift up the driver air bag module.

4.

Disconnect the air bag harness connector, and remove the
driver air bag module.

CAUTION:

●

For installing / removing driver air bag module connector,
insert thin screwdriver wrapped in tape into notch, lift
lock and remove connector.

●

Install connector with lock raised, and push lock into
connector.

PHIA0687E

1.

Audio steering switch

2.

Screw

3.

Side lid

4.

Steering wheel

5.

TORX bolt (T30)

6.

Lower lid

7.

ASCD switch

8.

Driver air bag module

PHIA0714E

PHIA0308E