Infiniti M35/M45 Y50. Manual - part 1103

TROUBLE DIAGNOSIS

SRS-27

C

D

E

F

G

I

J

K

L

M

A

B

SRS

DIAGNOSTIC PROCEDURE 3

Final inspection after repairing SRS by using CONSULT-II — Diagnosis mode
Refer to 

GI-38, "CONSULT-II Start Procedure"

 .

CAUTION:

If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carry out CAN communication.

1.

Touch “SELF-DIAG [CURRENT]”.

a.

If no malfunction is detected on “SELF-DIAG [CURRENT]”,
repair of SRS is completed. Go to step 2.
If any malfunction is detected on “SELF-DIAG [CURRENT]”, the
malfunctioning part is not repaired completely or another mal-
functioning part is detected. Go to 

SRS-22, "DIAGNOSTIC

PROCEDURE 2"

 , and repair malfunctioning part completely.

2.

Touch “ERASE”.

NOTE:
Touch “ERASE” to clear the memory of the malfunction (“SELF-
DIAG [PAST]”).
If the memory of the malfunction in “SELF-DIAG [PAST]” is not
erased, the User mode shows the system malfunction by the
operation of the warning lamp even if the malfunction is repaired
completely.

3.

Touch “BACK” key of CONSULT-II to “SELECT DIAG MODE”
screen. Touch “SELF-DIAG [PAST]”.

SRS697

SRS701

SRS773

SRS697

SRS-28

TROUBLE DIAGNOSIS

4.

Make sure no malfunction is detected on “SELF-DIAG [PAST]”.

5.

Touch “BACK” key of CONSULT-II until “SELECT SYSTEM”
appears in order to return to User mode from Diagnosis mode.

6.

Turn ignition switch OFF then turn off and disconnect CON-
SULT-II.
Refer to 

SRS-20, "Checking Air Bag Operation by Using “AIR

BAG” Warning Lamp — User Mode"

 .

SRS702

TROUBLE DIAGNOSIS

SRS-29

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SRS

DIAGNOSTIC PROCEDURE 4 (CONTINUED FROM DIAGNOSTIC PROCEDURE 2)

Inspecting SRS malfunctioning record

1. 

CONSIDER POSSIBILITY OF NOT ERASING SELF-DIAGNOSTIC RESULT AFTER REPAIRING

Is it the first time for maintenance of SRS?

YES or NO

YES

>> Go to 

SRS-22, "DIAGNOSTIC PROCEDURE 2"

 .

NO

>> Self-diagnostic result “SELF-DIAG [PAST]” (previously stored in the memory) might not be erased

after repair. Go to 

SRS-27, "DIAGNOSTIC PROCEDURE 3"

 .

DIAGNOSTIC PROCEDURE 5

Inspecting SRS intermittent malfunction by using CONSULT-II — Diagnosis mode
Refer to 

GI-38, "CONSULT-II Start Procedure"

 .

CAUTION:

If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carry out CAN communication.
1.

Touch “SELF-DIAG [PAST]”.

2.

If diagnostic codes are displayed on “SELF-DIAG [PAST]”, go to
step 5.

a.

If no malfunction is detected on “SELF-DIAG [PAST]”, touch
“BACK” and go back to “SELECT DIAG MODE”.

SRS697

SRS700

SRS702

SRS-30

TROUBLE DIAGNOSIS

3.

Touch “TROUBLE DIAG RECORD”.

NOTE:
With “TROUBLE DIAG RECORD”, diagnosis results previously
erased by a reset operation can be displayed.

4.

Diagnostic code is displayed on “TROUBLE DIAG RECORD”.

5.

Touch “PRINT”.

6.

Compare diagnostic codes to 

SRS-30, "DTC No. Index (“SELF-

DIAG [PAST]” or “TROUBLE DIAG RECORD”)"

 .

7.

Touch “BACK” key of CONSULT-II until “SELECT SYSTEM”
appears.

8.

Turn ignition switch OFF, then turn off and disconnect CON-
SULT-II, and both battery cables.

9.

Repair the system as outlined by the “Repair order” in “Intermit-
tent Malfunction Diagnostic Code Chart”, that corresponds to the
self-diagnosis result. For replacement procedure of component
parts, refer to the Removal and Installation procedure for the appropriate component.

10. Go to 

SRS-27, "DIAGNOSTIC PROCEDURE 3"

 , for final checking.

DTC No. Index (“SELF-DIAG [PAST]” or “TROUBLE DIAG RECORD”)

SRS697

SHIA0182E

Diagnostic item

Explanation

Repair order

“Recheck SRS at each replacement”

NO DTC IS 
DETECTED.

When malfunction is 
indicated by the “AIR 
BAG” warning lamp in 
User mode.

●

Low battery voltage (Less than 9V)

●

Go to 

SRS-27, "DIAGNOSTIC PRO-

CEDURE 3"

 . 

●

No malfunction is detected.

●

Go to 

SRS-27, "DIAGNOSTIC PRO-

CEDURE 3"

 . 

DRIVER AIRBAG 
MODULE
[OPEN]
[B1049] [B1054]

●

Driver air bag module circuit is open (including the spiral cable).

1. Visually check the wiring harness 

connection.

2. Replace the harness if it has visible 

damage.

3. If the harness check result is OK, 

replace driver air bag module, diag-
nosis sensor unit and spiral cable.

DRIVER AIRBAG 
MODULE
[VB-SHORT]
[B1050] [B1055]

●

Driver air bag module circuit is shorted to a power supply circuit 
(including the spiral cable).

DRIVER AIRBAG 
MODULE
[GND-SHORT]
[B1051] [B1056]

●

Driver air bag module circuit is shorted to ground (including the 
spiral cable).

DRIVER AIRBAG 
MODULE
[SHORT]
[B1052] [B1057]

●

Driver air bag module circuit is shorted between lines.