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TROUBLE DIAGNOSIS
SRS-7
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SRS
TROUBLE DIAGNOSISPFP:00004
Trouble Diagnosis IntroductionEHS000CL
CAUTION:
●Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harness can be identified by yellow and/or orange harness connector.
●Do not attempt to 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-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:
NOTE:
Seat belt pre-tensioner malfunction is indicated by “AIR BAG” warning lamp.
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-3, "BATTERY" .
●Fuse Refer to PG-2, "POWER SUPPLY ROUTING" .
●System component-to-harness connections
WORK FLOW
NOTE:
Seat belt pre-tensioner malfunction is indicated by “AIR BAG” warning lamp.
User mode Diagnosis mode Display type
“AIR BAG” warning lamp X X ON-OFF operation
CONSULT-II — X Monitoring
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SRS-8
TROUBLE DIAGNOSIS
*1:SRS-7*2:SRS-16*3:SRS-23
*4:SRS-27
PHIA0297E
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TROUBLE DIAGNOSIS
SRS-9
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SRS
SRS Components Parts LocationEHS000CM
PHIA0020E
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SRS-10
TROUBLE DIAGNOSIS
Wiring Diagram — SRS — /LHD models
EHS000CO
THWA0001E
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TROUBLE DIAGNOSIS
SRS-11
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SRS
THWA0002E
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SRS-12
TROUBLE DIAGNOSIS
Wiring Diagram-SRS-/RHD models
EHS000D6
THWA0003E
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TROUBLE DIAGNOSIS
SRS-13
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SRS
THWA0004E
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![NISSAN X-TRAIL 2001 Service Repair Manual SRS-14
TROUBLE DIAGNOSIS
CONSULT-II Function
EHS000O6
DIAGNOSIS MODE FOR CONSULT-II
●“SELF-DIAG [CURRENT]”
A current Self-diagnosis result (also indicated by the number of warning lam NISSAN X-TRAIL 2001 Service Repair Manual SRS-14
TROUBLE DIAGNOSIS
CONSULT-II Function
EHS000O6
DIAGNOSIS MODE FOR CONSULT-II
●“SELF-DIAG [CURRENT]”
A current Self-diagnosis result (also indicated by the number of warning lam](/manual-img/5/57405/w960_57405-3015.png)
SRS-14
TROUBLE DIAGNOSIS
CONSULT-II Function
EHS000O6
DIAGNOSIS MODE FOR CONSULT-II
●“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-II screen in real time. This refers to a malfunctioning part requiring
repairs.
●“SELF-DIAG [PAST]”
Diagnosis results previously stored in the memory are displayed on the CONSULT-II screen. The stored
results are not erased until memory erasing is executed.
●“TROUBLE DIAG RECORD”
With TROUBLE DIAG RECORD, diagnosis results previously erased by a reset operation can be dis-
played on the CONSULT-II screen.
●“ECU DISCRIMINATED NO.”
The diagnosis sensor unit for each vehicle model is assigned with its own, individual classification num-
ber. Refer to SRS-40, "
ECU DISCRIMINATED NO." This number will be displayed on the CONSULT-II
screen. When replacing the diagnosis sensor unit, refer to the part number for the compatibility. After
installation, replacement with a correct unit can be checked by confirming this classification number on the
CONSULT-II screen.
HOW TO CHANGE SELF-DIAGNOSIS MODE WITH CONSULT-II
From User Mode to Diagnosis Mode
After selecting “AIR BAG” on the “SELECT SYSTEM” screen, User mode automatically changes to Diagnosis
mode.
From Diagnosis Mode to User Mode
To return to User mode from Diagnosis mode, touch “BACK” key of CONSULT-II until “SELECT SYSTEM”
appears, Diagnosis mode automatically changes to User mode.
SRS803
SRS804