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SRS

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H RESTRAINTS

B
SECTION
SUPPLEMENTAL RESTRAINT SYSTEM (SRS) C

E
CONTENTS
PRECAUTIONS ......................................................... 3
. DIAGNOSTIC PROCEDURE 3 .......................... 26 . F
Precautions for Supplemental Restraint System DIAGNOSTIC PROCEDURE 4 (CONTINUED
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- FROM DIAGNOSTIC PROCEDURE 2) ............. 28 .
SIONER" ................................................................. 3
. DIAGNOSTIC PROCEDURE 5 .......................... 28 . G
Precautions for SRS "Air Bag" and "Seat Belt Pre- Trouble Diagnoses without CONSULT-II ............... 33 .
tensioner" Service ................................................... 3
. DIAGNOSTIC PROCEDURE 6 .......................... 33 .
Wiring Diagrams and Trouble Diagnosis ................. 4 . DIAGNOSTIC PROCEDURE 7 .......................... 37 .
SRS
PREPARATION .......................................................... 5
. DIAGNOSTIC PROCEDURE 8 (CONTINUED
Special Service Tools .............................................. 5
. FROM DIAGNOSTIC PROCEDURE 6) ............. 38 .
SRS CONFIGURATION ............................................. 6 . Trouble Diagnoses: "AIR BAG" Warning Lamp Does
Description .............................................................. 6
. Not Turn Off ........................................................... 39
. I
PASSENGER AIR BAG DEACTIVATION DIAGNOSTIC PROCEDURE 9 .......................... 39 .
SWITCH (2-DOOR MODELS) ............................. 7 . Trouble Diagnoses: "AIR BAG" Warning Lamp Does
SRS Component Parts Location ............................. 7 . Not Turn On ........................................................... 40
. J
Direct-connect SRS Component Connectors .......... 8 . DIAGNOSTIC PROCEDURE 10 ........................ 40 .
TROUBLE DIAGNOSIS ............................................. 9 . DIAGNOSIS SENSOR UNIT .................................... 41 .
Trouble Diagnoses Introduction .............................. 9 . Removal and Installation ....................................... 41 .
K
DIAGNOSIS FUNCTION ...................................... 9 . CRASH ZONE SENSOR .......................................... 42 .
DIAGNOSIS MODE FOR CONSULT-II ................ 9 . Removal and Installation ....................................... 42 .
HOW TO CHANGE SELF-DIAGNOSIS MODE FRONT SEAT BELT PRE-TENSIONER .................. 43 .
WITH CONSULT-II ............................................. 10 . Removal and Installation ....................................... 43 . L
HOW TO CHANGE SELF-DIAGNOSIS MODE DRIVER AIR BAG MODULE AND SPIRAL CABLE 44 ...
WITHOUT CONSULT-II ..................................... 10 . Removal and Installation ....................................... 44 .
HOW TO ERASE SELF-DIAGNOSIS RESULTS ....11 Removal ................................................................ 44
. M
How to Perform Trouble Diagnoses for Quick and Installation ............................................................. 46
.
Accurate Repair .................................................... 12
. FRONT PASSENGER AIR BAG MODULE ............. 48 .
INFORMATION FROM CUSTOMER ................. 12 . Removal and Installation ....................................... 48 .
PRELIMINARY CHECK ..................................... 12 . REMOVAL .......................................................... 48.
WORK FLOW ..................................................... 13 . INSTALLATION .................................................. 50 .
Schematic ............................................................. 14
. PASSENGER AIR BAG DEACTIVATION SWITCH... 51
4-DOOR MODELS ............................................. 14 . Removal ................................................................ 51
.
Wiring Diagram -- SRS -- .................................... 15 . Installation ............................................................. 51
.
2-DOOR MODELS ............................................. 15 . PASSENGER AIR BAG DEACTIVATION SWITCH
4-DOOR MODELS ............................................. 17 . LOCK CYLINDER .................................................... 52 .
Passenger Air Bag Deactivation Switch Indicator Removal ................................................................ 52
.
Operation Check ................................................... 20
. Installation ............................................................. 52
.
SRS Operation Check ........................................... 20 . PASSENGER AIR BAG DEACTIVATION SWITCH
DIAGNOSTIC PROCEDURE 1 .......................... 20 . INDICATOR .............................................................. 53
.
Trouble Diagnoses with CONSULT-II .................... 21 . Removal ................................................................ 53
.
DIAGNOSTIC PROCEDURE 2 .......................... 21 . Installation ............................................................. 53
.

SRS-1
DISPOSAL OF AIR BAG MODULE AND SEAT BELT SEAT BELT PRE-TENSIONER WHILE
PRE-TENSIONER .................................................... 54 . MOUNTED IN VEHICLE .....................................59 .
Disposal of Air Bag Module and Seat Belt Pre-ten- DISPOSING OF AIR BAG MODULE AND SEAT
sioner ..................................................................... 54
. BELT PRE-TENSIONER .....................................59 .
CHECKING DEPLOYMENT TOOL .................... 54 . COLLISION DIAGNOSIS .........................................60 .
DEPLOYMENT PROCEDURES FOR AIR BAG Collision Diagnosis .................................................60
.
MODULE (OUTSIDE OF VEHICLE) .................. 55 . SRS INSPECTION ..............................................60 .
DEPLOYMENT OF AIR BAG MODULE AND

SRS-2
PRECAUTIONS

PRECAUTIONS PFP:00001
A
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" EHS000LU

The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along B
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system may include seat belt switch inputs and dual stage front air bag modules. If
equipped with dual stage front air bag modules, the SRS system uses the seat belt switches to determine the C
front air bag deployment, and may only deploy one front air bag, depending on the severity of a collision and
whether the front occupants are belted or unbelted. Information necessary to service the system safely is
included in the SRS and SB section of this Service Manual.
D
The vehicle may be equipped with a passenger air bag deactivation switch. Because no rear seat exists where
a rear-facing child restraint can be placed, the switch is designed to turn off the passenger air bag so that a
rear-facing child restraint can be used in the front passenger seat. The switch is located in the center of the E
instrument panel, near the ashtray. When the switch is turned to the ON position, the passenger air bag is
enabled and could inflate for certain types of collision. When the switch is turned to the OFF position, the pas-
senger air bag is disabled and will not inflate. A passenger air bag OFF indicator on the instrument panel lights
up when the passenger air bag is switched OFF. The driver air bag always remains enabled and is not affected F
by the passenger air bag deactivation switch.

WARNING: G
q To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be per-
formed by an authorized NISSAN/INFINITI dealer. SRS
q Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.
I
q Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors.
J
q The vehicle may be equipped with a passenger air bag deactivation switch which can be operated
by the customer. When the passenger air bag is switched OFF, the passenger air bag is disabled
and will not inflate. When the passenger air bag is switched ON, the passenger air bag is enabled
and could inflate for certain types of collision. After SRS maintenance or repair, make sure the K
passenger air bag deactivation switch is in the same position (ON or OFF) as when the vehicle
arrived for service.
Precautions for SRS "Air Bag" and "Seat Belt Pre-tensioner" Service EHS000FY
L

q Do not use a circuit tester to check SRS circuits unless instructed to in this Service Manual.
q Before servicing the SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 min- M
utes.
For approximately 3 minutes after the cables are removed, it is still possible for the air bags and seat belt
pre-tensioners to deploy. Therefore, do not work on any SRS connectors or wires until at least 3 minutes
have passed.
q Air bag diagnosis sensor unit must always be installed with forward mark "" pointing toward the front of
the vehicle for proper operation. Also check air bag diagnosis sensor unit for deformities, dents, cracks
and rust before installation and replace as required.
q The spiral cable must be aligned in the neutral position since its rotations are limited. Do not rotate steer-
ing column while steering gear is removed to avoid damaging spiral cable.
q Handle air bag module carefully. Always place it with the pad side facing upward.
q Conduct Self-diagnosis to check entire SRS for proper function after replacing any components. Refer to
SRS-20, "SRS Operation Check" .
q After air bag inflates, the instrument panel assembly should be replaced if damaged.

SRS-3
PRECAUTIONS

Wiring Diagrams and Trouble Diagnosis EHS000G0

When you read wiring diagrams, refer to the following:
q GI-13, "How to Read Wiring Diagrams"
q PG-9, "POWER SUPPLY ROUTING" for power distribution circuit
When you perform trouble diagnosis, refer to the following:
q GI-9, "HOW TO FOLLOW TEST GROUPS IN TROUBLE DIAGNOSES"
q GI-25, "How to Perform Efficient Diagnosis for an Electrical Incident"

SRS-4
PREPARATION

PREPARATION PFP:00002
A
Special Service Tools EHS000G1

The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number
B
(Kent-Moore No.) Description
Tool name
KV991072S0 Disposing of air bag module and seat belt pre-
(J38381-KIT) tensioner C
Air bag deployment kit
KV99106400
(J38381)
Deployment tool D

S-NT357

-- For driver air bag module (4-door models) and E
(J38381-80-A) seat belt pre-tensioner
Deployment tool adapter

WHIA0089E
G
KV99109000 For driver air bag module (2-door models)
(J44230)
Deployment tool adapter
SRS

LRS138 I
-- Connection between the deployment tool and
(J38381-65) front passenger air bag module (4-door mod-
Deployment tool adapter for front pas- els)
J
senger air bag module

K
SHIA0173E

KV991065S0 For passenger air bag module (2-door mod-
(J38381-30) els)
Deployment tool adapters L

M
LHIA0010E

KV99105300 Anchoring air bag module
(J41246)
Air bag module bracket

S-NT354

-- Removing and installing accessory air bag
(J42057) locking bolts
Air bag master key set

LRS210

*: Special tool or commercial equivalent

SRS-5
SRS CONFIGURATION

SRS CONFIGURATION PFP:00000

Description EHS000GS

LHIA0018E

The air bags and seat belt pre-tensioners deploy if the air bag diagnosis sensor unit activates while the ignition
switch is in the ON or START position.
The air bag diagnosis sensor unit will deploy the air bags and the seat belt pre-tensioners if the G sensor acti-
vates simultaneously with the safing sensor while the ignition switch is ON.
Diagnosis sensor unit Driver seat belt Passenger seat
Ignition Driver air bag Passenger air bag
G sensor Safing sensor pre-tensioner belt pre-tensioner

ON ON ON Deploy
ON -- ON Deploy
ON ON ON Deploy

SRS-6
SRS CONFIGURATION

PASSENGER AIR BAG DEACTIVATION SWITCH (2-DOOR MODELS)
The vehicle (2-door models) is equipped with a passenger air bag deactivation switch which can be operated A
by the customer. When the switch is turned to the ON position, the passenger air bag is enabled and could
inflate in a frontal collision. When the switch is turned to the OFF position, the passenger air bag is disabled
and will not inflate in a frontal collision. B
After turning the ignition switch ON, the passenger air bag deactivation switch indicator on the instrument
panel illuminates for bulb check. The indicator will remain illuminated if the passenger air bag deactivation
switch is in the OFF position. If the passenger air bag deactivation switch is in the ON position, the indicator
will turn off after about 7 seconds. C
After SRS maintenance or repair, make sure the passenger air bag
deactivation switch is in the same position (ON or OFF) as when the
vehicle arrived for service. D

F
WRS260

IGN OFF ON
G
Passenger air bag deactivation switch Passenger air bag deactivation switch indi-
Passenger air bag deployment
position cator
ON Turns off within 7 seconds Enabled SRS
OFF Remains illuminated Disabled

SRS Component Parts Location EHS000LL
I

LHIA0020E

SRS-7
SRS CONFIGURATION

Direct-connect SRS Component Connectors EHS000LJ

The following SRS components use direct-connect style harness connectors.
q Driver air bag module
q Front LH seat belt pre-tensioner
q Front RH seat belt pre-tensioner
Always pull up to release black locking tab prior to removing connector from SRS component.
Always push down to lock black locking tab after installing connector
to SRS component.

WHIA0103E

SRS-8
TROUBLE DIAGNOSIS

TROUBLE DIAGNOSIS PFP:00004
A
Trouble Diagnoses Introduction EHS000GV

CAUTION:
q Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this B
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harness connec-
tors.
q Do not attempt to repair, splice or modify the SRS wiring harness. If the harness is damaged, C
replace it with a new one.
q Keep ground portion clean.
DIAGNOSIS FUNCTION D
The SRS self-diagnosis results can be read by using "AIR BAG" warning lamp and/or CONSULT-II. The read-
ing of these results is accomplished using one of two modes -- "User mode" and "Diagnosis mode".
The User mode is exclusively prepared for the customer (driver). This mode warns the driver of a system mal- E
function through the operation of the "AIR BAG" warning lamp.
The Diagnosis mode allows the technician to locate and inspect the malfunctioning part.
The mode applications for the "AIR BAG" warning lamp and CONSULT-II are as follows:
F
User mode Diagnosis mode Display type
"AIR BAG" warning lamp X X ON-OFF operation
CONSULT-II -- X Monitoring G

NOTE:
Seat belt pre-tensioner malfunction is indicated by "AIR BAG" warning lamp.
SRS
DIAGNOSIS MODE FOR CONSULT-II
q "SELF-DIAG [CURRENT]"
A current Self-diagnosis result (also indicated by the number of warning lamp flashes in the Diagnosis I
mode) is displayed on the CONSULT-II screen in real time. This refers to a malfunctioning part requiring
repairs.
q "SELF-DIAG [PAST]" J
Diagnosis results previously stored in the memory are displayed on the CONSULT-II screen. The stored
results are not erased until memory erasing is executed.
q "TROUBLE DIAG RECORD"
With TROUBLE DIAG RECORD, diagnosis results previously erased by a reset operation can be dis- K
played on the CONSULT-II screen.
q "ECU DISCRIMINATED NO."
The diagnosis sensor unit for each vehicle model is assigned L
with its own, individual classification number. This number will
be displayed on the CONSULT-II screen, as shown. When
replacing the diagnosis sensor unit, refer to the part number for M
the compatibility. After installation, replacement with a correct
unit can be checked by confirming this classification number on
the CONSULT-II screen.

Model ECU Part No. ECU Discriminated No.
2-door 28556 8Z300 A60C
ARS366
4-door 28556 8Z500 A60D

SRS-9
TROUBLE DIAGNOSIS

HOW TO CHANGE SELF-DIAGNOSIS MODE WITH CONSULT-II
From User Mode to Diagnosis Mode
After selecting "AIR BAG" on the "SELECT SYSTEM" screen, User mode automatically changes to Diagnosis
mode.

SRS803

From Diagnosis Mode to User Mode
To return to User mode from Diagnosis mode, touch "BACK" key of CONSULT-II until "SELECT SYSTEM"
appears, Diagnosis mode automatically changes to User mode.

SRS804

HOW TO CHANGE SELF-DIAGNOSIS MODE WITHOUT CONSULT-II
From User Mode to Diagnosis Mode
Diagnosis mode activates only when a malfunction is detected, by turning ignition switch as follows:
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 steps 1 to 3 three times.
5. Turn ignition switch "ON".
SRS will not enter Diagnosis mode if no malfunction is detected.
From Diagnosis Mode to User Mode
After a malfunction is repaired, switch the ignition "OFF" for at least one second, then back "ON". Diagnosis
mode is returned to User mode.
If switching Diagnosis mode to User mode is required while malfunction is being detected, by turning ignition
switch as follows:
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 steps 1 to 3 three times.
5. Turn ignition switch "ON".

SRS-10
TROUBLE DIAGNOSIS

HOW TO ERASE SELF-DIAGNOSIS RESULTS
With CONSULT-II A

q "SELF-DIAG [CURRENT]"
A current self-diagnosis result is displayed on the CONSULT-II screen in real time.
After the malfunction is repaired completely, no malfunction is detected on "SELF-DIAG [CURRENT]". B
q "SELF-DIAG [PAST]"
Return to the "SELF-DIAG [CURRENT]" CONSULT-II screen by pushing "BACK" key of CONSULT-II and
select "SELF-DIAG [CURRENT]" in SELECT DIAG MODE. Touch "ERASE" in "SELF-DIAG [CURRENT]" C
mode.
NOTE:
If the memory of the malfunction in "SELF-DIAG [PAST]" is not erased, the User mode shows the D
system malfunction by the operation of the warning lamp even if the malfunction is repaired com-
pletely.
E
q "TROUBLE DIAG RECORD"
The memory of "TROUBLE DIAG RECORD" cannot be erased.
F

SRS701
SRS
Without CONSULT-II
After a malfunction is repaired, switch the ignition "OFF" for at least one second, then back "ON". Diagnosis
mode returns to the User mode. At that time, the self-diagnostic result is cleared. I

SRS-11
TROUBLE DIAGNOSIS

How to Perform Trouble Diagnoses for Quick and Accurate Repair EHS000GW

A good understanding of the malfunction conditions can make troubleshooting faster and more accurate.
In general, each customer feels differently about a malfunction. It is important to fully understand the symp-
toms or conditions for a customer complaint.
INFORMATION FROM CUSTOMER
WHAT..... Vehicle model
WHEN..... Date, Frequencies
WHERE..... Road conditions
HOW..... Operating conditions, Symptoms
PRELIMINARY CHECK
Check that the following parts are in good order.
q Battery, refer to SC-4, "BATTERY"
q Fuse
q System component-to-harness connections

SRS-12
TROUBLE DIAGNOSIS

WORK FLOW
NOTE: A
Seat belt pre-tensioner malfunction is indicated by "AIR BAG" warning lamp.

SRS

SRS799

*1: SRS-12 *2: SRS-20 *3: SRS-21
*4: SRS-33 *5: SRS-26 *6: SRS-37

SRS-13
TROUBLE DIAGNOSIS

Schematic EHS000LR

4-DOOR MODELS

WRS224

SRS-14
TROUBLE DIAGNOSIS

Wiring Diagram -- SRS -- EHS000GX

2-DOOR MODELS A

SRS

WHWA0023E

SRS-15
TROUBLE DIAGNOSIS

WHWA0024E

SRS-16
TROUBLE DIAGNOSIS

4-DOOR MODELS
A

SRS

WHWA0025E

SRS-17
TROUBLE DIAGNOSIS

LHWA0002E

SRS-18
TROUBLE DIAGNOSIS

SRS

WHWA0027E

SRS-19
TROUBLE DIAGNOSIS

Passenger Air Bag Deactivation Switch Indicator Operation Check EHS000GY

1. INDICATOR OPERATION CHECK
Check passenger air bag deactivation switch indicator operation
when turning ignition switch ON with passenger air bag deactivation
switch in ON and OFF positions.
Passenger air bag deactivation switch Passenger air bag deactivation switch
position indicator
ON Turns off within 7 seconds
OFF Remains illuminated
OK or NG
OK >> Passenger air bag deactivation switch indicator opera-
tion is OK. Conduct "SRS Operation Check". Refer to WRS260

SRS-20, "SRS Operation Check" .
NG >> GO TO 2.

2. PERFORM SELF-DIAGNOSIS
Perform self-diagnosis using "AIR BAG" warning lamp in User mode. Refer to SRS-20, "SRS Operation
Check" .
NOTE:
The passenger air bag deactivation switch indicator can only be self-diagnosed when a malfunction
occurs and indicator illumination does not correspond to switch position.
OK or NG
OK >> Replace passenger air bag deactivation switch including the key cylinder. Conduct "Passenger Air
Bag Deactivation Switch Indicator Operation Check" as a final check.
NG >> Perform self-diagnosis using CONSULT-II or "AIR BAG" warning lamp in Diagnosis mode. Refer
to SRS-20, "SRS Operation Check" or SRS-33, "DIAGNOSTIC PROCEDURE 6" respectively. If
the passenger air bag deactivation switch indicator remains illuminated with the passenger air bag
deactivation switch ON, leave passenger air bag deactivation switch in ON position during diagno-
sis. If the passenger air bag deactivation switch indicator does not illuminate with the passenger
air bag deactivation switch OFF, leave the passenger air bag deactivation switch in the OFF posi-
tion during diagnosis.
SRS Operation Check EHS000GZ

DIAGNOSTIC PROCEDURE 1
Checking Air Bag Operation by Using "AIR BAG" Warning Lamp -- User Mode
1. After turning ignition switch from "OFF" to "ON", "AIR BAG"
warning lamp operates.
2. Compare "AIR BAG" warning lamp operation to the chart below.

SRS800

SRS-20
TROUBLE DIAGNOSIS

"AIR BAG" warning lamp operation -- User mode -- SRS condition Reference item
A
No malfunction is
detected. No further action
is necessary.
-- B

MRS095A C
The system is malfunc- Go to SRS-21, "DIAG-
tioning and needs to be NOSTIC PROCEDURE 2"
repaired as indicated. , or SRS-33, "DIAGNOS-
TIC PROCEDURE 6" . D

E
Air bag is deployed. Go to SRS-60, "Collision
Seat belt pre-tensioner is Diagnosis" .
deployed.
F
Air bag fuse, diagnosis Go to SRS-39, "DIAG-
sensor unit or harness is NOSTIC PROCEDURE 9"
malfunctioning and needs .
to be repaired. G
One of the following has Go to SRS-40, "DIAG-
occurred and needs to be NOSTIC PROCEDURE
repaired. 10" . SRS
q Meter fuse is blown.
q "AIR BAG" warning
lamp circuit has open or
I
short.
q Diagnosis sensor unit is
malfunctioning.
J
Trouble Diagnoses with CONSULT-II EHS000H0

DIAGNOSTIC PROCEDURE 2
Inspecting SRS malfunctioning parts by using CONSULT-II -- Diagnosis mode K
1. Turn ignition switch "OFF".
2. Connect CONSULT-II to data link connector.
3. Turn ignition switch "ON". L
4. Touch "START".

SRS695

SRS-21
TROUBLE DIAGNOSIS

5. Touch "AIR BAG".

SRS771

6. Touch "SELF-DIAG [CURRENT]".

SRS697

7. Diagnostic codes are displayed on "SELF-DIAG [CURRENT]".

WRS254

SRS701

If no malfunction is detected on "SELF-DIAG [CURRENT]" even though malfunction is detected in "SRS Oper-
ation Check", check the battery voltage.
If the battery voltage is less than 9V, charge the battery. Then go to SRS-26, "DIAGNOSTIC PROCEDURE 3"
.
If the battery voltage is OK, refer to SRS-28, "DIAGNOSTIC PROCEDURE 4 (CONTINUED FROM DIAG-
NOSTIC PROCEDURE 2)" , to diagnose the following cases:
q Self-diagnostic result "SELF-DIAG [PAST]" (previously stored in the memory) might not be erased after
repair.
q The SRS system malfunctions intermittently.
8. Touch "COPY".

SRS-22
TROUBLE DIAGNOSIS

9. Compare diagnostic codes to "CONSULT-II Diagnostic Code Chart". Refer to SRS-24, "CONSULT-II Diag-
nostic Code Chart ("SELF-DIAG [CURRENT]")" . A
10. Touch "BACK" key of CONSULT-II until "SELECT SYSTEM" appears in order to return to User mode from
Diagnosis mode.
11. Turn ignition switch "OFF", then turn off and disconnect CONSULT-II, and disconnect both battery cables. B
12. Repair the system as outlined by the "Repair order" in "CONSULT-II Diagnostic Code Chart", that corre-
sponds to the self-diagnostic result. For replacement procedure of component parts, refer to the applica-
ble Removal and Installation procedure. C
13. After repairing the system, refer to SRS-26, "DIAGNOSTIC PROCEDURE 3" for final checking.

SRS

SRS-23
TROUBLE DIAGNOSIS

CONSULT-II Diagnostic Code Chart ("SELF-DIAG [CURRENT]")
Repair order
Self-diagnosis result Explanation *"Recheck SRS at each replace-
ment."
NO DTC IS When malfunction is q Low battery voltage (Less than 9V) q Go to SRS-26, "DIAGNOSTIC PRO-
DETECTED. indicated by the "AIR q Self-diagnosis result " SELF-DIAG CEDURE 3" after charging battery.
BAG" warning lamp in [PAST]" (previously stored in the q Go toSRS-28, "DIAGNOSTIC PRO-
User mode memory) might not have been CEDURE 4 (CONTINUED FROM
erased after repair. DIAGNOSTIC PROCEDURE 2)" .
q Intermittent malfunction has been
detected in the past.
q No malfunction is detected. q Go to SRS-26, "DIAGNOSTIC PRO-
CEDURE 3" .
DRIVER AIRBAG q Driver air bag module circuit is open (including the spiral cable). 1. Visually check wiring harness con-
MODULE nections.
[OPEN] 2. Replace harness if it has visible
DRIVER AIRBAG q Driver air bag module circuit is shorted to a power supply circuit damage.
MODULE (including the spiral cable). 3. Replace spiral cable.
[VB-SHORT] 4. Replace driver air bag module.
DRIVER AIRBAG q Driver air bag module circuit is shorted to ground (including the (Before disposing of it, it must be
MODULE spiral cable). deployed.)
[GND-SHORT] 5. Replace air bag diagnosis sensor
DRIVER AIRBAG q Driver air bag module circuit is shorted between lines. unit.
MODULE 6. Replace the related harness.
[SHORT]
ASSIST A/B MODULE q Passenger air bag module circuit is open. 1. Visually check wiring harness con-
[OPEN] nections.
ASSIST A/B MODULE q Passenger air bag module circuit is shorted to a power supply 2. Replace harness if it has visible
[VB-SHORT] circuit. damage.

ASSIST A/B MODULE q Passenger air bag module circuit is shorted to ground. 3. Replace passenger air bag module.
[GND-SHORT] (Before disposing of it, it must be
deployed.)
ASSIST A/B MODULE q Passenger air bag module circuit is shorted between lines.
4. Replace air bag diagnosis sensor
[SHORT]
unit.
5. Replace the related harness.
PRE-TEN FRONT LH q Driver seat belt pre-tensioner circuit is open. 1. Visually check wiring harness con-
[OPEN] nections.
PRE-TEN FRONT LH q Driver seat belt pre-tensioner circuit is shorted to a power sup- 2. Replace harness if it has visible
[VB-SHORT] ply circuit. damage.

PRE-TEN FRONT LH q Driver seat belt pre-tensioner circuit is shorted to ground. 3. Replace the driver's seat belt.
[GND-SHORT] (before disposing the passenger
seat belt pre-tensioner, it must be .)
PRE-TEN FRONT LH q Driver seat belt pre-tensioner circuit is shorted between lines.
4. Replace air bag diagnosis sensor
[SHORT]
unit.
5. Replace the related harness.
PRE-TEN FRONT RH q Passenger seat belt pre-tensioner circuit is open. 1. Visually check wiring harness con-
[OPEN] nections.
PRE-TEN FRONT RH q Passenger seat belt pre-tensioner circuit is shorted to a power 2. Replace harness if it has visible
[VB-SHORT] supply circuit. damage.

PRE-TEN FRONT RH q Passenger seat belt pre-tensioner circuit is shorted to ground. 3. Replace the front passenger's seat
[GND-SHORT] belt. (before disposing the passen-
ger seat belt pre-tensioner, it must
PRE-TEN FRONT RH q Passenger seat belt pre-tensioner circuit is shorted between be activated.)
[SHORT] lines.
4. Replace air bag diagnosis sensor
unit.
5. Replace the related harness.

SRS-24
TROUBLE DIAGNOSIS

Repair order
Self-diagnosis result Explanation *"Recheck SRS at each replace- A
ment."
CONTROL UNIT q Air bag diagnosis sensor unit is malfunctioning. 1. Visually check wiring harness con-
nections. B
2. Replace harness if it has visible
damage.
3. Replace air bag diagnosis sensor
C
unit.
4. Replace the related harness.
Code B4 q Activate terminal is open. 1. Visually check wiring harness con-
D
or nections.
q Activate terminal is shorted to ground.
PASS A/B DEACT SW 2. Replace harness if it has visible
q Deactivate terminal is open. damage.
q Deactivate terminal is shorted to ground. 3. Replace passenger air bag deacti- E
q Activate terminal and deactivate terminal are shorted to each vation switch. (The key cylinder of
other. passenger air bag deactivation
switch does not have to be
replaced.)
F
4. Replace air bag diagnosis sensor
unit.
5. Replace the related harness. G
Code B5 q Passenger air bag deactivation switch indicator circuit is open. 1. Visually check wiring harness con-
or nections.
q Passenger air bag deactivation switch indicator circuit is
PASS A/B DEACT SW 2. Replace harness if it has visible SRS
shorted to some power supply circuit.
INDICATOR damage.
q Passenger air bag deactivation switch indicator circuit is
shorted to ground. 3. Replace passenger air bag deacti-
vation switch indicator. I
4. Replace air bag diagnosis sensor
unit.
5. Replace the related harness.
J
INDEFINITE FAILURES q Passenger air bag deactivation switch status is not identified. 1. Visually check wiring harness con-
[AIR BAGS] nections.
2. Replace harness if it has visible
K
damage.
3. Replace passenger air bag deacti-
vation switch (the key cylinder of the
passenger air bag deactivation L
switch does not have to be replaced)
4. Replace air bag diagnosis sensor
unit.
M
5. Replace the related harness.
*: Follow the procedures in numerical order when repairing malfunctioning parts. Confirm whether malfunction is eliminated using the
"AIR BAG" warning lamp (in User mode) 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.

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