Infiniti Q45. Manual — part 869

TROUBLE DIAGNOSIS

SRS-33

C

D

E

F

G

I

J

K

L

M

A

B

SRS

PASS A/B INDCTR
CKT

●

Cutoff telltale circuit is open or shorted to grand or the circuits
are shorted each other.

1. Visually check the wiring harness

connection.

2. Replace the harness if it has visible

damage.

3. Replace cutoff telltale.

4. Replace the diagnosis sensor unit.

OCCUPANT SENS C/U
[UNIT FAIL]

●

Trouble occurs in Occupant Classification System-CU.

●

Replace passenger side seat cush-
ion assembly.

OCCUPANT SENS
[UNIT FAIL]

●

Trouble occurs in Occupant Classification System-SENS.

●

Replace passenger side seat cush-
ion assembly.

BELT TENSION SENS
[UNIT FAIL]

●

Trouble occurs in Belt Tension sensor (BTS), circuit of BTS—
Occupant Classification System-CU, or Occupant Classification
System-CU.

1. Visually check the wiring harness

connection.

2. Replace the harness if it has visible

damage.

3. Replace passenger side seat belt

assembly.

4. Replace the diagnosis sensor unit.

OCCUPANT SENS C/U
[COMM FAIL]

●

Trouble occurs in Occupant Classification System-CU, circuit of
Occupant Classification System-CU—Diagnosis Senser Unit, or
Diagnosis Sensor Unit.

1. Visually check the wiring harness

connection.

2. Replace the harness if it has visible

damage.

3. Replace passenger side seat cush-

ion assembly.

4. Replace the diagnosis sensor unit.

FRONTAL COLLISION-
DETECTION

●

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

●

Go to

SRS-51, "For Frontal Colli-

sion"

.

SIDE COLLISION
DETECTION

●

Side and curtain air bag is deployed.

●

Go to

SRS-53, "For Side Collision"

.

Diagnostic item

Explanation

Repair order

“Recheck SRS at each replacement”

SRS-34

TROUBLE DIAGNOSIS

Trouble Diagnosis without CONSULT-II

NHS0004L

DIAGNOSTIC PROCEDURE 6
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 two times.

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

PHIA1233E

SHIA0028E

TROUBLE DIAGNOSIS

SRS-35

C

D

E

F

G

I

J

K

L

M

A

B

SRS

PHIA1234E

SHIA0083E

PHIA1235E

PHIA1236E

SRS-36

TROUBLE DIAGNOSIS

SHIA0032E

SHIA0033E

PHIA1237E

PHIA1238E