Page 2737 of 2896

TROUBLE DIAGNOSIS
SRS-9
C
D
E
F
G
I
J
K
L
MA
B
SRS
Revision: June 20062007 Versa
TROUBLE DIAGNOSISPFP:00004
Trouble Diagnosis IntroductionEHS001UX
CAUTION:
Do not use electrical test equipment on any circuit related to the SRS unless instructed to do so in
this Service Manual.
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-II.
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-II 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 (Refer to SC-4, "How to Handle Battery" .)
Fuses (Refer to SRS-12, "Schematic" .)
System component-to-harness connections
User mode Diagnosis mode Display type
“AIR BAG” warning lamp X X ON-OFF operation
CONSULT-II — X Monitoring
Page 2738 of 2896
SRS-10
TROUBLE DIAGNOSIS
Revision: June 20062007 Versa
WORK FLOW
*1:SRS-9*2:SRS-21*3:SRS-29
*4:SRS-34
WHIA0098E
Page 2739 of 2896
TROUBLE DIAGNOSIS
SRS-11
C
D
E
F
G
I
J
K
L
MA
B
SRS
Revision: June 20062007 Versa
SRS Components Parts LocationEHS001UY
1. Crash zone sensor 2. Spiral cable 3. Front passenger air bag off indicator
4. Front LH seat belt pre-tensioner
LH side air bag (satellite) sensor5. Air bag diagnosis sensor unit 6. Front LH side air bag module
7. Seat belt buckle switch (LH)
Seat belt buckle switch (RH)8. Occupant classification system con-
trol unit
Occupant classification system sensor9. Front RH seat belt pre-tensioner
RH side air bag (satellite) sensor
Belt tension sensor
10. Front RH side air bag module 11. RH side curtain air bag module 12. LH side curtain air bag module
13. Front passenger air bag module 14. Driver air bag module
WHIA0329E
Page 2740 of 2896
SRS-12
TROUBLE DIAGNOSIS
Revision: June 20062007 Versa
SchematicEHS001UZ
WHWA0296E
Page 2741 of 2896
TROUBLE DIAGNOSIS
SRS-13
C
D
E
F
G
I
J
K
L
MA
B
SRS
Revision: June 20062007 Versa
Wiring Diagram — SRS —EHS001V0
WHWA0297E
Page 2742 of 2896
SRS-14
TROUBLE DIAGNOSIS
Revision: June 20062007 Versa
WHWA0298E
Page 2743 of 2896
TROUBLE DIAGNOSIS
SRS-15
C
D
E
F
G
I
J
K
L
MA
B
SRS
Revision: June 20062007 Versa
WHWA0299E
Page 2744 of 2896
SRS-16
TROUBLE DIAGNOSIS
Revision: June 20062007 Versa
WHWA0300E