SRC-1
RESTRAINTS
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SECTION SRC
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CONTENTS
SRS AIRBAG CONTROL SYSTEM
PRECAUTION ....... ........................................4
PRECAUTIONS .............................................. .....4
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
4
Service ......................................................................4
SYSTEM DESCRIPTION ..............................5
COMPONENT PARTS ................................... .....5
Component Parts Location .................................. ......5
Driver Air Bag Module ...............................................6
Front Passenger Air Bag Module ..............................6
Front Side Air Bag Module .................................. ......7
Side Curtain Air Bag Module .....................................7
Front Seat Belt Pre-tensioner ....................................7
Air Bag Diagnosis Sensor Unit ..................................7
Crash Zone Sensor ...................................................8
Front Side Air Bag Satellite Sensor ...........................8
Rear Side Air Bag Satellite Sensor ...........................8
Front Door Satellite Sensor .......................................8
SRS Component Connectors ....................................8
SYSTEM .............................................................10
SRS AIR BAG SYSTEM ............................................10
SRS AIR BAG SYSTEM : System Description ... ....10
OCCUPANT CLASSIFICATION SYSTEM ............ ....10
OCCUPANT CLASSIFICATION SYSTEM : Sys-
tem Description .......................................................
11
SEAT BELT WARNING LAMP SYSTEM .............. ....12
SEAT BELT WARNING LAMP SYSTEM : System
Description ..............................................................
12
DIAGNOSIS SYSTEM (AIR BAG) .....................14
Description .......................................................... ....14
On Board Diagnosis Function .................................14
Trouble Diagnosis with CONSULT ..........................16
CONSULT Function (AIR BAG) ..............................16
ECU DIAGNOSIS INFORMATION ..............17
DIAGNOSIS SENSOR UNIT .............................17
DTC Index ........................................................... ....17
Flash Code Index ....................................................21
WIRING DIAGRAM ......................................25
SRS AIR BAG SYSTEM ...................................25
Wiring Diagram .................................................... ....25
BASIC INSPECTION ...................................36
DIAGNOSIS AND REPAIR WORK FLOW .......36
Work Flow ............................................................ ....36
INSPECTION AND ADJUSTMENT ..................39
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT .................................................... ....
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ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Description .................................
39
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Special Repair Requirement ......
39
ZERO POINT RESET ............................................. ....39
ZERO POINT RESET : Description .........................39
ZERO POINT RESET : Special Repair Require-
ment .........................................................................
39
INTERMITTENT INCIDENT ..............................41
Inspection Procedure ..............................................41
DTC/CIRCUIT DIAGNOSIS .........................42
B0001, B0002 DRIVER AIRBAG MODULE .....42
DTC Logic ............................................................ ....42
Diagnosis Procedure ...............................................43
B0010, B0011 PASSENGER AIRBAG MOD-
ULE ....................................................................
45
DTC Logic ................................................................45
Diagnosis Procedure ...............................................45
Revision: August 2015 2016 Versa Note
cardiagn.com
INSPECTION AND ADJUSTMENTSRC-39
< BASIC INSPECTION >
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INSPECTION AND ADJUSTMENT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
ADDITIONAL SERVICE WHEN REPL ACING CONTROL UNIT : Description
INFOID:0000000012430612
Always perform zero point reset using CONSULT when removing and installing the passenger seat or servic-
ing the occupant classification system. If zero point reset is not performed the OCS may not operate normally,
which may increase the risk of serious injury in a collision.
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Re-
quirement
INFOID:0000000012430613
WORK PROCEDURE WHEN REPLACING CONTROL UNIT
1.PERFORM ZERO POINT RESET
Perform zero point reset. Refer to SRC-39, "
ZERO POINT RESET : Special Repair Requirement".
Is zero point reset performed normally?
YES >> INSPECTION END
NO >> Check condition as per the following, and perform zero point reset again. • Passenger seat is occupied by an object.
• Excessive vibration is applied while performing zero point reset.
• Occupant detection system is malfunctioning.NOTE:
If “Incomplete” is displayed on “zero point reset cu rrent status”, zero point reset is not completed
normally. Check the condition as per the following and perform zero point reset again.
• Passenger seat is occupied by an object.
• Excessive vibration is applied while performing zero point reset.
• Occupant detection system is malfunctioning.
ZERO POINT RESET
ZERO POINT RESET : DescriptionINFOID:0000000012430614
Zero point reset is an initializing procedure for occupant detection sensor that must be performed when replac-
ing or removing and installing passenger seat.
If zero point reset is not performed, the initializati on is incomplete and Occupant Detection System does not
operate normally.
NOTE:
• When zero point reset is performed once after removal and installation of passenger seat, CONSULT dis- plays “complete”.
• When reinstalling passenger seat after removal, the initial value for occupant detection sensor changes, and
Occupant Detection System does not operate normally.
• Always perform zero point reset after performing the work as per the following.
- Reinstallation of passenger seat
- Installation of passenger seat that is zero point reset complete
- Installation of passenger seat that is zero point reset in complete
ZERO POINT RESET : Special Repair RequirementINFOID:0000000012430615
1.PERFORM ZERO POINT RESET
1. Perform zero point reset. NOTE:
When performing zero point reset, be careful of the items described as per the following.
• Perform zero point reset after installing passenger seat to the vehicle
• Do not put any objects on passenger seat
• Do not apply excessive vibration to the vehicle
• Do not touch the vehicle
• Do not tilt the vehicle
Revision: August 2015 2016 Versa Note
cardiagn.com