diagram RENAULT SCENIC 2011 J95 / 3.G Air Bag ACU4 - Seat Belt Pretensioners Workshop Manual

AIRBAG - SEAT BELT PRETENSIONERS
Fault finding - Introduction
88C - 2
88C
V3 MR-372-J84-88C000$010.mif
188C
AIRBAG ACU4
Vdiag: 04
AIRBAG - SEAT BELT PRETENSIONERS
Fault finding - Introduction
1. SCOPE OF THIS DOCUMENT
This document presents the fault finding method applicable to all computers with the following specifications:
2. PREREQUISITES FOR FAULT FINDING
Documentation type
Fault finding procedures (this manual):
– Assisted fault finding (incorporated into the diagnostic tool), paper version (Workshop Repair Manual
or Technical Note) and Dialogys.
Wiring Diagrams:
– Visu-Diagram (CD-ROM), paper.
Type of diagnostic tools:
–CLIP
Special tooling required:Véhicule: SCENIC II
Function concerned: AIRBAGName of computer: AUTOLIV - ACU 4
Program no.:
Vdiag No.: 04
SPECIAL TOOLING REQUIRED
– Multimeter.
– Set of adapters and terminal blocks for using the airbag and
pretensioner wiring harness check function of CLIP and XRBAG
tools for updates including the terminal blocks listed below.
– Modifying the series of new airbag ignition module
connectors entails modifying the dummy ignition module.
LOCAL MODIFICATION OF THE DUMMY IGNITION MODULE:
–Remove the ignition module from its red mounting and
remove one of the brown locking notches.
– 22-track computer terminal block: Elé. 1685
– 64-track computer terminal block: Elé. 1717
– 22-track seat terminal block: Elé. 1687
– 10-track rotary switch terminal block: Elé. 1617
ACU4 Vdiag04 J84 1.0
MR-372-J84-88C000$010.mif

AIRBAG - SEAT BELT PRETENSIONERS
Fault finding - Introduction
88C
88C - 6V3 MR-372-J84-88C000$010.mif
AIRBAG ACU4
Vdiag: 04
SYSTEM CONFIGURATION DIAGRAM (FRONT section)
AR To rear wiring
ACU4 Vdiag04 J84 1.0

AIRBAG - SEAT BELT PRETENSIONERS
Fault finding - Introduction
88C - 7
88C
V3 MR-372-J84-88C000$010.mif
SYSTEM CONFIGURATION DIAGRAM (REAR section)
AIRBAG ACU4
Vdiag: 04
ACU4 Vdiag04 J84 1.0
Correct insulation value: display ≥ 100.h or 9999
flashing. AR
A
B
C
D
E
G
H
ITo rear wiring
Central unit
Driver’s seat
Front passenger
seat
Buckle
pretensioner
Driver's front
airbag ignition
module
Passenger's front
airbag ignition
module
Front side airbag
ignition module
Lap belt
pretensioner or
seat cushion
airbagJ/K
L/M
N/O
CT
PCurtain airbag
ignition modules
Rear side airbag
ignition modules
Rear seat belt
retractors
Rotary switch
+ 12 V / earth
Warning light /
Fault finding lines
Impact sensors/
Impact information
Passenger airbag
lock switchFRONT AIRBAGS
Measuring
pointCorrect value
DriverC0, C2 and
C41.8 to 6.2Ω
PassengerC0 and C4 1.8 to 4 Ω
SIDE AIRBAGS AND
PRETENSIONERS
Measuring
pointCorrect value
C0, C1 and
C31.8 to 4 Ω

List of monitored parts: Airbag computer
FAULT FINDING LOG
System: Airbags and pretensionersPage 1 / 2
●Administrative identification
Date 2 0
Log completed by
Business name or no./
Country
Vehicle model
VIN:
Engine
Diagnostic tool CLIP
Version
●Customer complaint
1192 Airbag warning light lit
OtherPlease specify:
●
When the fault appears
011 When switched on 004 Intermittently 999 When starting the engine
005 While driving
OtherPlease specify:
●
Documentation used in fault finding
Fault finding procedure
Type of fault finding manual:
Workshop Repair Manual: Technical Note Assisted fault finding
Fault Finding Manual No.:
Wiring diagram used
Wiring Diagram Technical Note No.:
Other documentation
Title and/or part no.:
FD 16
Fault finding log
page to print or photocopy - page to print or photocopy - page to print or photocopy