Nissan Qashqai (2007-2010). Manual — part 780
SRS AIR BAG SYSTEM
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< FUNCTION DIAGNOSIS >
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FUNCTION DIAGNOSIS
SRS AIR BAG SYSTEM
System Diagram
INFOID:0000000001069738
System Description
INFOID:0000000001069739
This SRS Air Bag System has the following function.
1.
Detect crash and supply the energy for deploying air bag and seat belt pre-tensioner.
2.
Detect electrical trouble in air bag system and seat belt pre-tensioner system, record trouble code, and
blinking air bag warning lamp.
JMHIA0215GB
SRC-8
< FUNCTION DIAGNOSIS >
SRS AIR BAG SYSTEM
3.
Detect and record the deployment of air bag and seat belt pre-tensioner, and turn on air bag warning
lamp.
4.
Indicate malfunctioning portion with blinking times of air bag warning lamp in diagnosis mode.
5.
Indicate the malfunctioning record by CONSULT-III.
Component Parts Location
INFOID:0000000001069740
JMHIA0217ZZ
1. Front passenger air bag module
2. Driver air bag module
3. Spiral cable
4.
Passenger air bag cut-off indica-
tor
5. Diagnosis sensor unit (ACU)
6. Front seat belt pre-tensioner2
7.
Side air bag (satellite) sensor
(LH/RH)
8. Front seat belt pre-tensioner (LH/RH)
9. Seat belt buckle switch (LH/RH)
10.
Front side air bag module (LH/
RH)
11. Crash zone sensor
12. Side curtain air bag module (LH/RH)
SRS AIR BAG SYSTEM
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Component Description
INFOID:0000000001069741
• Air bag sensor are prepared for operation while the ignition switch is in the ON or START position.
• The operation of supplemental restraint system is different from collision modes applicastion. For example
the driver air bag module and front passenger air bag module are activated in a frontal collision but not in a
side collision.
• SRS configurations which are activated for some collision modes are as follows;
×
: Application, —: Not application
JMHIA0216GB
SRS configuration
Frontal collision
Left side collision
Right side collision
Driver air bag module. Refer to
×
—
—
Front passenger air bag module. Refer to
×
—
—
Front LH seat belt pre-tensioner. Refer to
×
—
—
Front RH seat belt pre-tensioner. Refer to
×
—
—
Front LH seat belt pre-tensioner2. Refer to
×
—
—
Front LH side air bag module. Refer to
—
×
—
Front RH side air bag module. Refer to
—
—
×
LH side curtain air bag module. Refer to
—
×
—
RH side curtain air bag module. Refer to
—
—
×
SRC-10
< FUNCTION DIAGNOSIS >
DIAGNOSIS SYSTEM (AIRBAG)
DIAGNOSIS SYSTEM (AIRBAG)
Diagnosis Description
INFOID:0000000001069750
CAUTION:
• Do not use electrical test equipment on any circuit related to the SRS unless instructed in this Ser-
vice Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or harness
connectors.
• Do not repair, splice or modify the SRS wiring harness. If the harness is damaged, replace it with a
new one.
• Keep ground portion 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
malfunction 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 DIAGNOSIS 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 (Refer to
.)
• Fuse (Refer to
• System component-to-harness connections
HOW TO ERASE SELF-DIAGNOSTIC RESULTS (With CONSULT-III)
• “SELF-DIAG [CURRENT]”
A current self-diagnosis result is displayed on CONSULT-IIl screen in real time.
After the malfunction is repaired completely, no malfunction is detected on “SELF-DIAG [CURRENT]”.
• “SELF-DIAG [PAST]”
Return to “SELF-DIAG [CURRENT]”CONSULT-lll screen by touching “BACK” key of CONSULT-III and
select “SELF-DIAG [CURRENT]” in SELECT DIAG MODE. Touch “ERASE” in “SELF-DIAG [CURRENT]”
mode.
NOTE:
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.
• “TROUBLE DIAG RECORD”
The memory of “TROUBLE DIAG RECORD” cannot be erased.
HOW TO ERASE SELF-DIAGNOSTIC RESULTS (Without CONSULT-III)
After a malfunction is repaired, turn the ignition switch OFF for at least one second, then turn ignition switch
ON diagnosis mode returns to the user mode. At that time the self-diagnosis result is cleared.
User mode
Diagnosis mode
Display type
“AIR BAG” warning lamp
X
X
ON-OFF operation
CONSULT-III
–
X
Monitoring
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