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SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
SRS-7
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• Seat belt buckle pre-tensioner assembly RH
Always pull up to release black locking tab prior to removing connector from SRS component.
Always push down to lock black locking tab after installing connector
to SRS component. When locked, the black locking tab is level with
the connector housing.
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SRS-8
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TROUBLE DIAGNOSIS
TROUBLE DIAGNOSIS
Trouble Diagnosis IntroductionINFOID:0000000003532861
CAUTION:
• Do not use electrical test equipment on any circuit related to the SRS unless instructed to do so in
this Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harness con-
nectors.
• 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" .)
• Fuse (Refer to SRS-12, "
Wiring Diagram - SRS -" .)
• System component-to-harness connections
WORK FLOW
User mode Diagnosis mode Display type
“AIR BAG” warning lamp X X ON-OFF operation
CONSULT-II — X Monitoring
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TROUBLE DIAGNOSIS
SRS-9
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*1: "Preliminary Check" *2:SRS-20*3:SRS-21
*4:SRS-28
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SRS-10
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
SRS Component Parts Location
INFOID:0000000003532862
1. Side curtain air bag modules 2. Front RH side air bag module 3. Belt tension sensor
4. RH side air bag (satellite) sensor 5. Front RH seat belt pre-tension-
er6. Seat belt buckle pre-tensioner assembly
RH
7. Occupant classification system sen-
sor8. Occupant classification system
control unit9. Front passenger air bag off indicator
10. Front passenger air bag module 11. Crash zone sensor 12. Air bag warning lamp
13. Spiral cable 14. Driver air bag module 15. LH side air bag (satellite) sensor
16. Front LH seat belt pre-tensioner 17. Air bag diagnosis sensor unit 18. Front LH side air bag module
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TROUBLE DIAGNOSIS
SRS-11
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SchematicINFOID:0000000003532863
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SRS-12
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
Wiring Diagram - SRS -
INFOID:0000000003532864
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TROUBLE DIAGNOSIS
SRS-13
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SRS-14
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
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