2007 NISSAN TIIDA Service Repair Manual

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NISSAN TIIDA 2007 Service Repair Manual SRC-8
< FUNCTION DIAGNOSIS >
SRS AIR BAG SYSTEM
Front Passenger Air Bag Module
INFOID:0000000001396422
The front passenger air bag module is single stage and located
behind the instrument panel assemb

Page 4778 of 5883

NISSAN TIIDA 2007 Service Repair Manual SRS AIR BAG SYSTEM
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Vehicles with side curtain air bags are equipped with labels as
shown.
Seat Belt Warning Lamp Control UnitINFOID:000000

SRS AIR BAG SYSTEM
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Vehicles with side curtain air bags are equipped with labels as
shown.
Seat Belt Warning Lamp Control UnitINFOID:0000000001724663
The seat belt warning lamp control unit is located under the passen-
ger seat. The control unit monitors the status of the driver and pas-
senger seat belt buckle switches as well as vehicle speed. The
control unit uses a timer to turn the driver and passenger seat belt
warning lamps ON and OFF.
Seat Belt Pre-tensionersINFOID:0000000001396423
The front seat belt pre-tensioners are installed for both the driver's
seat and the front passenger's seat. They operate simultaneously
with the SRS air bag system in the event of a frontal collision with an
impact exceeding a specified level.
The lap seat belt pre-tensioner (2), mounted in the belt anchor posi-
tion, works in conjuction with the front LH or RH seat belt pre-ten-
sioner (1) depending on drive configuration (LHD/RHD).
When the frontal collision with an impact exceeding a specified level
occurs, seat belt slack resulting from clothing or other factors is
immediately taken up by the pre-tensioners. Vehicle passengers are
securely restrained.
When passengers in a vehicle are thrown forward in a collision and
the restraining force of the seat belt exceeds a specified level, the load limiter permits the specified extension
of the seat belt by the twisting of the ELR shaft, and a relaxation of the chest-area seat belt web tension while
maintaining force.
Direct-connect SRS Component ConnectorsINFOID:0000000001396354
The following SRS components use direct-connect style harness connectors.
Driver air bag module
Front passenger air bag module
LH side curtain air bag module
RH side curtain air bag module
Front LH seat belt pre-tensioner
Lap seat belt pre-tensioner
Front RH seat belt pre-tensioner
Always pull up to release locking tab prior to removing connector from SRS component.
WHIA0041E
ALHIA0090ZZ
WHIA0340E

Page 4779 of 5883

NISSAN TIIDA 2007 Service Repair Manual SRC-10
< FUNCTION DIAGNOSIS >
SRS AIR BAG SYSTEM
Always push down to lock locking tab after installing connector to
SRS component. When locked, the locking tab is level with the con-
nector housing.
W

Page 4780 of 5883

NISSAN TIIDA 2007 Service Repair Manual ON BOARD DIAGNOSTIC (OBD) SYSTEM
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ON BOARD DIAGNOSTIC (OBD) SYSTEM
Trouble Diagnosis IntroductionINFOID:0000000001396360
CAUTION:
Do not

ON BOARD DIAGNOSTIC (OBD) SYSTEM
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ON BOARD DIAGNOSTIC (OBD) SYSTEM
Trouble Diagnosis IntroductionINFOID:0000000001396360
CAUTION:
Do not use electrical test equipment on any circuit related to the SRS unless instructed to do so in
this Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harness con-
nectors.
Do not attempt to repair, splice or modify SRS wiring harnesses. If a harness is damaged, replace it
with a new one.
Keep ground connections clean.
DIAGNOSIS FUNCTION
The SRS self-diagnosis results can be read by using “AIR BAG” warning lamp and/or CONSULT-III.
The User mode is exclusively prepared for the customer (driver). This mode warns the driver of a system mal-
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-III are as follows:
HOW TO PERFORM TROUBLE DIAGNOSES FOR QUICK AND ACCURATE REPAIR
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.
Battery
Fuses
System component-to-harness connections
SRS Operation CheckINFOID:0000000001396361
DIAGNOSTIC PROCEDURE 1
Checking SRS Operation Using “AIR BAG” Warning Lamp—User Mode
1. Turn the ignition switch from OFF to ON, and check that the air bag warning lamp blinks.
2. Compare the SRS air bag warning lamp blinking pattern with the
examples.
User mode Diagnosis mode Display type
“AIR BAG” warning lamp X X ON-OFF operation
CONSULT-III — X Monitoring
BF-1845D

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NISSAN TIIDA 2007 Service Repair Manual SRC-12
< FUNCTION DIAGNOSIS >
ON BOARD DIAGNOSTIC (OBD) SYSTEM
SRS Air bag warning lamp examples
DIAGNOSTIC PROCEDURE 2
1. Connect CONSULT-III.
2. Diagnostic code is displayed on "SELF-DIAG [CURRENT]"

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NISSAN TIIDA 2007 Service Repair Manual ON BOARD DIAGNOSTIC (OBD) SYSTEM
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Trouble Diagnosis without CONSULT-IIIINFOID:0000000001396362
DIAGNOSTIC PROCEDURE 6
Inspect SRS Malfunct

ON BOARD DIAGNOSTIC (OBD) SYSTEM
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Trouble Diagnosis without CONSULT-IIIINFOID:0000000001396362
DIAGNOSTIC PROCEDURE 6
Inspect SRS Malfunction 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 steps 1 to 3 two more times (3 times total).
5. Turn ignition switch ON.
SRS is now in Diagnosis mode. Refer to SRC-13, "
Trouble Diagnosis without CONSULT-III".
CONSULT-III Function (AIR BAG)INFOID:0000000001396363
CONSULT-III can display each diagnostic item using the diagnostic test modes shown following.
Self-Diagnosis Function (Without CONSULT-III)INFOID:0000000001396364
The reading of these results is accomplished using one of two modes —“User mode” and “Diagnosis mode”.
After a malfunction is repaired, turn the ignition switch 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.
AIR BAG diagnostic mode Description
SELF-DIAG [CURRENT]A current Self-diagnosis result (also indicated by the number of warning lamp flashes in the Diagnosis
mode) is displayed on the CONSULT-III screen in real time. This refers to a malfunctioning part requir-
ing repairs.
SELF-DIAG [PAST]Diagnosis results previously stored in the memory are displayed on the CONSULT-III screen. The
stored results will remain until memory erasing is executed.
TROUBLE DIAG RECORDWith TROUBLE DIAG RECORD, diagnosis results previously erased by a reset operation can be dis-
played on the CONSULT-III screen.
ECU DISCRIMINATED NO.The air bag diagnosis sensor unit for each vehicle model is assigned with its own, individual classifica-
tion number. This number will be displayed on the CONSULT-III screen, as shown. When replacing the
air bag diagnosis sensor unit, refer to the part number for the compatibility. After installation, replace-
ment with a correct unit can be checked by confirming this classification number on the CONSULT-III
screen.
The air bag diagnosis sensor unit discriminated numbers assigned are:
A60C (LHD vehicles with front side air bags only)
A60A (RHD vehicles with front side air bags only)
A60E (LHD vehicles with front side and side curtain air bags)
A60B (RHD vehicles with front side and side curtain air bags)
A611 (vehicles without front side and side curtain air bags)
PASSENGER AIR BAGThe STATUS (readiness) of the front passenger air bag module is displayed. The STATUS displayed
(ON/OFF) depends on the signals supplied to the air bag diagnosis sensor unit from the passenger air
bag deactivation switch. Refer to SRC-8, "
Passenger Air Bag Deactivation Switch" for more informa-
tion.

Page 4783 of 5883

NISSAN TIIDA 2007 Service Repair Manual SRC-14
< FUNCTION DIAGNOSIS >
ON BOARD DIAGNOSTIC (OBD) SYSTEM
HOW TO CHANGE SELF-DIAGNOSIS MODE
DIAGNOSTIC PROCEDURE 3
Final Check of SRS Using CONSULT-III—Diagnosis Mode
1. Connect CONSULT-III.
2

Page 4784 of 5883

NISSAN TIIDA 2007 Service Repair Manual B1049 - B1052 DRIVER AIR BAG MODULE
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COMPONENT DIAGNOSIS
B1049 - B1052 DRIVER AIR BAG MODULE
DescriptionINFOID:0000000001396365
DTC B1049

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