Nissan Silvia. Instruction — part 324

Diagnostic item

Explanation

Repair order

“Recheck SRS at each replace-

ment.”

ASSIST A/B MODULE
[VB-SHORT]

I

Front passenger air bag module circuit is shorted to some
power supply circuit.

1. Visually check the wiring harness

connection.

2. Replace the harness if it has visible

damage.

3. Replace front passenger air bag

module. (Before disposal of it, it
must be deployed.)

4. Replace the diagnosis sensor unit.
5. Replace the related harness.

ASSIST A/B MODULE
[OPEN]

I

Front passenger air bag module circuit is open.

ASSIST A/B MODULE
[GND-SHORT]

I

Front passenger air bag module circuit is shorted to ground.

ASSIST A/B MODULE
[SHORT]

I

Front passenger air bag module circuits are shorted to each
other.

CONTROL UNIT

I

Diagnosis sensor unit is malfunctioning.

1. Visually check the wiring harness

connection.

2. Replace the diagnosis sensor unit.

I

Low battery voltage (Less than 9V)

I

Go to DIAGNOSTIC PROCEDURE 3
(RS-31) after charging battery.

* Follow the procedures in numerical order when repairing malfunctioning parts. Confirm whether malfunction is eliminated
using the air bag warning lamp or CONSULT-II 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.

SRS928

DIAGNOSTIC PROCEDURE 3

NMRS0028S02

Final checking after repairing SRS by using CONSULT-II —
Diagnosis mode
1.

After repairing SRS, connect both battery cables.

2.

Connect CONSULT-II to Data link connector.

3.

Turn ignition switch from “OFF” to “ON”.

SRS695

4.

Touch “START”.

SRS771

5.

Touch “AIR BAG”.

GI

MA

EM

LC

EC

FE

CL

MT

AT

PD

AX

SU

BR

ST

BT

HA

SC

EL

IDX

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

Trouble Diagnoses with CONSULT-II (Cont’d)

RS-31

SRS697

6.

Touch “SELF-DIAG [CURRENT]”.

SRS701

7.

If no malfunction is detected on “SELF-DIAG [CURRENT]”,
repair of SRS is completed. Go to step 8.
If any malfunction is displayed on “SELF-DIAG [CURRENT]”,
the malfunctioning part is not repaired completely or another
malfunctioning part is detected. Go to DIAGNOSTIC PROCE-
DURE 2, page RS-29, and repair malfunctioning part com-
pletely.

SRS772

8.

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.

SRS697

9.

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

SRS702

10. Check that no malfunction is detected on “SELF-DIAG

[PAST]”.

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

Trouble Diagnoses with CONSULT-II (Cont’d)

RS-32

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

appears in order to return to User mode from Diagnosis mode.

12. Turn ignition switch “OFF”, then turn off and disconnect CON-

SULT-II.

13. Go to “SRS Operation Check”, page RS-28 to check SRS

operation by using “AIR BAG” warning lamp with User mode.

DIAGNOSTIC PROCEDURE 4 (CONTINUED FROM
DIAGNOSTIC PROCEDURE 2)

NMRS0028S03

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 DIAGNOSTIC PROCEDURE 5 (RS-33).

No

©

Self-diagnostic result “SELF-DIAG [PAST]” (previously stored in the memory) might not
be erased after repair. Go to DIAGNOSTIC PROCEDURE 3, step 8 (RS-31).

SRS928

DIAGNOSTIC PROCEDURE 5

NMRS0028S04

Inspecting SRS intermittent malfunction by using CONSULT-II
— Diagnosis mode
1.

Turn ignition switch “OFF”.

2.

Connect CONSULT-II to data link connector.

SRS695

3.

Turn ignition switch “ON”.

4.

Touch “START”.

SRS771

5.

Touch “AIR BAG”.

GI

MA

EM

LC

EC

FE

CL

MT

AT

PD

AX

SU

BR

ST

BT

HA

SC

EL

IDX

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

Trouble Diagnoses with CONSULT-II (Cont’d)

RS-33

SRS697

6.

Touch “SELF-DIAG [PAST]”.

SRS700

7.

If diagnostic codes are displayed on “SELF-DIAG [PAST]”, go
to step 10.

SRS702

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

SRS697

8.

Touch “TROUBLE DIAG RECORD”.

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

SRS704

9.

Diagnostic code is displayed on “TROUBLE DIAG RECORD”.

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

Trouble Diagnoses with CONSULT-II (Cont’d)

RS-34