belt RENAULT KANGOO 2013 X61 / 2.G Air Bags AC4 And Pretensioners Workshop Manual

88C-2V1 MR-376-X76-88C000$010.mif
88C
2nd generation
(AC4 phase II)
1. SCOPE OF THIS DOCUMENT
This document presents the fault finding method applicable to all computers with the following specifications:
2. CONDITIONS FOR APPLICATION OF THE TESTS DEFINED IN THIS FAULT FINDING
The tests defined in this fault finding should only be applied to vehicles not fitted with side airbags but which are
fitted with the 2nd generation of airbag computers.
These new computers can be identified by the heading AC4 Ph 2 on the fault finding tools.
The tests defined in this fault finding must only be carried out if the fault is present on the vehicle at the time the test
is carried out.
Only the computer fault leads to replacement of the computer, whether the fault is present or simply stored.
If the fault is not present but simply stored, applying the checks recommended in the fault finding will not allow the
reason why this fault was stored to be located. In this case only, the wiring and the faulty component connections
should be checked (it is possible to access the wiring concerned in fault finding mode to try to display the change
from stored fault to present fault).
3. PREREQUISITES FOR FAULT FINDING
Documentation type:
Fault finding procedure (this manual):
• Assisted fault finding (integrated into the diagnostic tool), Dialogys.
Wiring Diagrams:
•Visu - Schéma
Type of diagnostic tools:
•CLIP
*VLL — Very Long LifeVehicle: KANGOO VLL*
Function concerned: Airbags and seat belt
pretensionersComputer name: AC4 phase II
AIRBAGS AND PRETENSIONERS
Fault finding – Introduction

88C-3V1 MR-376-X76-88C000$010.mif
AIRBAGS AND PRETENSIONERS
Fault finding – Introduction88C
2nd generation
(AC4 phase II)
Special tooling required:
4. REMINDERS
During operations on the airbag/seat belt pretensioner systems it is vital that you lock the computer using the
diagnostic tool to prevent any risk of accidental triggering (all the trigger lines will be inhibited). The locked mode is
indicated when the instrument panel warning light comes on. Without the diagnostic tool, switch off the ignition and
remove the supply fuse from the system, then wait at least 2 seconds for the power reserve capacity to discharge.
Never measure the airbag or pretensioner trigger lines with any device other than the XRBAG or by the "Airbag and
pretensioner wiring harness check" function on the CLIP and NXR tools.
Before using a dummy ignition module, check that its resistance is between 1.8 and 2.5 ohms.
Ensure during the operation that the supply voltage to the computer does not drop below 10 volts.Special tooling required
Diagnostic tools (except XR25)
Adapter and bornier kit to be used for the "Airbag and
pretensioner wiring harness check" function of the CLIP and
NXR tools or the XRBAG unit.
Multimeter

88C-13V1 MR-376-X76-88C000$040.mif
88C
2nd generation
(AC4 phase II)
REPLACING THE AIRBAG COMPUTER
The airbag computers are sold in locked mode to avoid all risk of accidental triggering (all ignition lines are inhibited).
The "locked" mode is indicated when the airbag fault warning indicator light on the instrument panel illuminates.
Follow this procedure when replacing an air bag computer:
– Make sure the ignition is switched off.
– Replace the computer (see MR Mechanical: MR-AIRBAGS-SRP, 88, Airbags and seat belt pretensioners,
Computer: Removal-refitting).
– Carry out a check using the diagnostic tool.
– If necessary, modify the computer configuration using the "Configuration" command.
– Switch off the ignition.
– Unlock the computer only if no faults are indicated by the diagnostic tool.
WARNING:
The owner of the vehicle may have locked the passenger front airbag to allow a child seat to be fitted to
the front passenger seat. In this case, the procedure for locking the passenger front airbag defined in the
Technical Note published for this subject has been applied, i.e.:
– Signing of a discharge by the customer (example in the Technical Note).
– Replacement of the passenger front seat belt.
– Disconnection of the passenger front airbag module.
– Locking of the trigger line of the passenger front airbag and modification of the computer configuration.
– Replacement of the "airbag" labels on the passenger side.
If this procedure has been applied, it is imperative to relock the passenger front airbag using the "Lock
passenger front airbag" command ("Configuration and programming" section).
It is vital that you never use this passenger airbag locking command before a Technical Note dealing with
the subject has been distributed.
AIRBAGS AND PRETENSIONERS
Fault finding – Replacement of components

88C-15
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer memory.
Carry out a road test followed by another check with the diagnostic tool.
V1 MR-376-X76-88C000$060.mif
88C
2nd generation
(AC4 phase II)
DF001
PRESENT
OR
STOREDCOMPUTER
1.DEF: Internal electronic fault
2.DEF: Impact detected
NOTESUse Wiring Diagrams Technical Note for Kangoo VLL.
Replace the airbag computer, component code 756 (consult the section "Replacement of components" for this
operation) (see MR Mechanical: MR-AIRBAGS-SRP, 88, Airbags and seat belt pretensioners, Computer:
Removal-refitting).
AIRBAGS AND PRETENSIONERS
Fault finding – Interpretation of faults

88C-17
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer memory.
Carry out a road test followed by another check with the diagnostic tool.
V1 MR-376-X76-88C000$060.mif
AIRBAGS AND PRETENSIONERS
Fault finding – Interpretation of faults88C
2nd generation
(AC4 phase II)
DF003
PRESENT
OR
STOREDDRIVER'S FRONTAL AIRBAG CIRCUITCC: Short circuit
CO: Open circuit
CC.1: Short circuit to 12 volts
CC.0: Short circuit to earth
NOTESNever carry out measuring operations on ignition lines using any tool other than Clip,
NXR or XRBAG.
Use Wiring Diagrams Technical Note for Kangoo VLL.
CO
CC
NOTESNone.
Lock the computer using the command on the diagnostic tool.
Switch off the ignition and remove the 2 mounting bolts from the steering wheel cushion.
Check that it is correctly connected.
Disconnect the steering wheel airbag and connect a dummy ignition module to the ignition module connector.
Switch on the ignition and carry out a check using the diagnostic tool.
Replace the airbag if the fault is now stored (fault no longer declared as present) (see MR Mechanical: MR-
AIRBAGS-SRP, 88, Airbags and seat belt pretensioners, Driver's airbag: Removal-refitting).
With the ignition switched off, disconnect and reconnect the connector of the rotary contact beneath the steering
wheel.
Check the connections if the fault has become stored (fault no longer declared present).

88C-32
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer memory.
Carry out a road test followed by another check with the diagnostic tool.
V1 MR-376-X76-88C000$060.mif
AIRBAGS AND PRETENSIONERS
Fault finding – Interpretation of faults88C
2nd generation
(AC4 phase II)
DF034
PRESENTCOMPUTER LOCKED1.DEF: Locked after impact
2.DEF: Locked with diagnostic tool
NOTESNone.
This fault allows the locked status of the computer to be displayed.
When it occurs, all the trigger lines are inhibited, preventing triggering of the airbags and seat belt pretensioners.
1.DEF
NOTESNone.
This fault is present after the seat belt pretensioners have been triggered with or without triggering of the front
airbags or after the triggering of the side airbags.
Replacement of the computer and the components which operated at the time of impact is compulsory.