Nissan Teana J32. Manual - part 1064

SRC-10

< FUNCTION DIAGNOSIS >

DIAGNOSIS SYSTEM (AIRBAG)

DIAGNOSIS SYSTEM (AIRBAG)

Diagnosis Description

INFOID:0000000003813934

CAUTION:

• Never 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.

• 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 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, Frequency.
• WHERE..... Road conditions.
• HOW..... Operating conditions, Symptoms.

Preliminary Check.

Check that the following parts are in good order.
• Battery (Refer to 

PG-3, "How to Handle Battery"

).

• Fuse (Refer to 

PG-82, "Fuse"

).

• System component-to-harness connections.

Air Bag Warning Lamp Diagnosis

INFOID:0000000003843289

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

CONSULT-III

–

X

Monitoring

DIAGNOSIS SYSTEM (AIRBAG)

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HOW TO CHANGE SELF-DIAGNOSIS MODE WITHOUT CONSULT-III

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-12

< FUNCTION DIAGNOSIS >

DIAGNOSIS SYSTEM (AIRBAG)

Air bag warning lamp examples (User mode)

DIAGNOSTIC PROCEDURE (DIAGNOSIS MODE)

1.

Turn the ignition switch ON, and check that the air bag warning lamp blinks.

2.

There are 2 blinking patterns for the air bag warning lamp. One is a 3-second blink followed by a 0.5- sec-
ond blink repeat. The other is two 1.5-second blinks followed by a 0.5-second blink repeat.

Air bag warning lamp operation -User mode 

SRS condition

Reference item

• No malfunction is detected
• No further action is necessary

—

The system is malfunctioning and 
needs to be repaired as indicated

Go to 

SRC-10, "Air Bag Warning 

Lamp Diagnosis"

• Air bag is deployed
• Seat belt pre-tensioner is deployed

Go to 

SRC-122, "Diagnosis Proce-

dure"

 or 

SRC-124, "Diagnosis Pro-

cedure"

• Air bag diagnosis sensor unit is mal-

functioning

• Air bag power supply circuit is mal-

functioning

• Air bag warning lamp circuit is mal-

functioning

Go to 

SRC-145, "Diagnosis Proce-

dure"

• Air bag diagnosis sensor unit is mal-

functioning

• Air bag warning lamp circuit is mal-

functioning

Go to 

SRC-146, "Diagnosis Proce-

dure"

SHIA0011E

SHIA0012E

SHIA0013E

SHIA0014E

DIAGNOSIS SYSTEM (AIRBAG)

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An Example of a 3-second Blink Followed by a 0.5-second Blink Repeat

a through b are repeated.
b: Seven 0.5-second blinks indicate that the air bag diagnosis sensor unit circuit is malfunctioning.

Number of 0.5-second Blinks After a 3-second Blink Indicates Malfunctioning Items

JMHIA0640GB

Number of 0.5-second blinks

Malfunctioning items

Blinking pattern

0

Self-diagnosis result is not deleted

—

1

Front LH seat belt pre-tensioner

Refer to the following 
•

SRC-60, "DTC Logic"

•

SRC-62, "DTC Logic"

•

SRC-64, "DTC Logic"

•

SRC-66, "DTC Logic"

2

Driver air bag module

Refer to the following 
•

SRC-32, "DTC Logic"

•

SRC-34, "DTC Logic"

•

SRC-36, "DTC Logic"

•

SRC-38, "DTC Logic"

3

Front RH seat belt pre-tensioner

Refer to the following 
•

SRC-52, "DTC Logic"

•

SRC-54, "DTC Logic"

•

SRC-56, "DTC Logic"

•

SRC-58, "DTC Logic"

6

Crash zone sensor

Refer to the following 
•

SRC-24, "DTC Logic"

•

SRC-26, "DTC Logic"

•

SRC-28, "DTC Logic"

7

Air bag diagnosis sensor unit

Refer to the following 
•

SRC-16, "DTC Logic"

•

SRC-18, "DTC Logic"

•

SRC-20, "DTC Logic"

•

SRC-22, "DTC Logic"

•

SRC-30, "DTC Logic"

•

SRC-40, "DTC Logic"

•

SRC-50, "DTC Logic"

•

SRC-70, "DTC Logic"

•

SRC-80, "DTC Logic"

•

SRC-98, "DTC Logic"

•

SRC-120, "DTC Logic"

•

SRC-68, "DTC Logic"

•

SRC-118, "DTC Logic"

•

SRC-130, "DTC Logic"