Infiniti FX35 / FX45. Manual - part 942

SRS-28

< SERVICE INFORMATION >

TROUBLE DIAGNOSIS

NOTE:
Follow the procedures in numerical order when repairing malfunctioning parts. Confirm whether malfunction is
eliminated using air bag warning lamp or CONSULT-III each time repair is finished. If malfunction is still
observed, proceed to the next step. When malfunction is eliminated, further repair work is not required.    

Trouble Diagnosis without CONSULT-III

INFOID:0000000001524169

DIAGNOSTIC PROCEDURE

SIDE MODULE LH
[OPEN]
[B1134]

• Front LH side air bag module circuit is open.

1.

Visually check the wiring harness 
connection.

2.

Replace the harness if it has visi-
ble damage.

3.

Replace front LH side air bag 
module.

4.

Replace diagnosis sensor unit 
(ACU).

SIDE MODULE LH
[VB-SHORT]
[B1135]

• Front LH side air bag module circuit is shorted to a power supply 

circuit.

SIDE MODULE LH
[GND-SHORT]
[B1136]

• Front LH side air bag module circuit is shorted to ground.

SIDE MODULE LH
[SHORT]
[B1137]

• Front LH side air bag module circuit is shorted between lines.

DIAGNOSIS SENSOR 
UNIT (CONTROL UNIT)
[B1138-B1143]

• Diagnosis sensor is out of order.

• Replace diagnosis sensor unit 

(ACU).

CURTAIN MODULE RH
[OPEN]
[B1145]

• RH side curtain air bag module circuit is open.

1.

Visually check the wiring harness 
connection.

2.

Replace the harness if it has visi-
ble damage.

3.

Replace RH side curtain air bag 
module.

4.

Replace diagnosis sensor unit 
(ACU).

CURTAIN MODULE RH
[VB-SHORT]
[B1146]

• RH side curtain air bag module circuit is shorted to a power sup-

ply circuit.

CURTAIN MODULE RH
[GND-SHORT]
[B1147]

• RH side curtain air bag module circuit is shorted to ground.

CURTAIN MODULE RH
[SHORT]
[B1148]

• RH side curtain air bag module circuit is shorted between lines.

CURTAIN MODULE LH
[OPEN]
[B1150]

• LH side curtain air bag module circuit is open.

1.

Visually check the wiring harness 
connection.

2.

Replace the harness if it has visi-
ble damage.

3.

Replace LH side curtain air bag 
module.

4.

Replace diagnosis sensor unit 
(ACU).

CURTAIN MODULE LH
[VB-SHORT]
[B1151]

• LH side curtain air bag module circuit is shorted to a power sup-

ply circuit.

CURTAIN MODULE LH
[GND-SHORT]
[B1152]

• LH side curtain air bag module circuit is shorted to ground.

CURTAIN MODULE LH
[SHORT]
[B1153]

• LH side curtain air bag module circuit is shorted between lines.

DIAGNOSIS SENSOR 
UNIT (CONTROL UNIT)
[B1202-B1207]

• Diagnosis sensor is out of order.

• Replace diagnosis sensor unit.

FRONTAL COLLISION-
DETECTION
[B1209]

• Seat belt pre-tensioner and front air bag are deployed.

• Go to 

SRS-47, "For Frontal Colli-

sion"

.

SIDE COLLISION DE-
TECTION
[B1210]

• Side and curtain air bag is deployed.

• Go to 

SRS-48, "For Side Collision"

.

Diagnostic item

Explanation

Repair order

“Recheck SRS at each replacement”

TROUBLE DIAGNOSIS

SRS-29

< SERVICE INFORMATION >

C

D

E

F

G

I

J

K

L

M

A

B

SRS

N

O

P

Inspecting SRS Malfunctioning Parts by Using “AIR BAG” Warning Lamp — Diagnosis Mode

NOTE:
SRS will not enter Diagnosis mode if no malfunction is detected in User mode.
1.

Turn ignition switch ON.

2.

After “AIR BAG” warning lamp lights for 7 seconds, turn ignition switch OFF within 1 second.

3.

Wait more than 3 seconds.

4.

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

5.

Turn ignition switch ON.

SRS is now in Diagnosis mode.
“AIR BAG” warning lamp operates in Diagnosis mode as follows:

WARNING LAMP FLASH CODE CHART

PHIA0532E

SHIA0028E

PHIA1242E

PHIA1243E

SRS-30

< SERVICE INFORMATION >

TROUBLE DIAGNOSIS

PHIA1233E

PHIA1234E

SHIA0083E

PHIA1235E

PHIA1236E

TROUBLE DIAGNOSIS

SRS-31

< SERVICE INFORMATION >

C

D

E

F

G

I

J

K

L

M

A

B

SRS

N

O

P

SHIA0032E

SHIA0033E

PHIA1237E

PHIA1238E

PHIA1240E