Nissan GT-R. Instruction — part 298
SRC-8
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (AIRBAG)
DIAGNOSIS SYSTEM (AIRBAG)
Diagnosis Description
INFOID:0000000009162967
CAUTION:
• Never use electrical test equipment on any circuit related to the SRS unless instructed in this Ser-
vice Instruction. SRS wiring harnesses can be identified by yellow and/or orange harnesses or harness
connectors.
• Never 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.
• 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 is as per the following.
×
: Application, —: Not application
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
Air Bag Warning Lamp Diagnosis
INFOID:0000000009162968
SELF-DIAGNOSIS FUNCTION
• The reading of these results is accomplished by “User mode” and “Diagnosis mode”.
• After a malfunction is repaired, 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
DIAGNOSIS SYSTEM (AIRBAG)
SRC-9
< SYSTEM DESCRIPTION >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
HOW TO CHANGE SELF-DIAGNOSIS MODE WITHOUT CONSULT
DIAGNOSTIC PROCEDURE (USER MODE)
Checking air bag operation according to 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 air bag warning lamp blinking pattern with the
examples.
PHIA0709E
BF-1845D
SRC-10
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (AIRBAG)
Air bag warning lamp examples (User mode)
Air bag warning lamp operation -User mode
SRS condition
• No malfunction is detected
• No further action is necessary
• The system is malfunctioning and needs to be repaired
as indicated
• Air bag is deployed
• Seat belt pre-tensioner is deployed
• Air bag diagnosis sensor unit is malfunctioning
• Air bag power supply circuit is malfunctioning
• Air bag warning lamp circuit is malfunctioning
• Air bag diagnosis sensor unit is malfunctioning
• Air bag warning lamp circuit is malfunctioning
SHIA0011E
SHIA0012E
SHIA0013E
SHIA0014E
DIAGNOSIS SENSOR UNIT
SRC-11
< ECU DIAGNOSIS INFORMATION >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
ECU DIAGNOSIS INFORMATION
DIAGNOSIS SENSOR UNIT
Wiring Diagram - SRS AIR BAG CONTROL SYSTEM -
INFOID:0000000009163142
For connector terminal arrangements, harness layouts, and alphabets in a
(option abbreviation; if not
described in wiring diagram), refer to
GI-12, "Connector Information"
JRHWC0358GB
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст