3Chassis
V1 MR-376-X76-38C000$TOC.mif
V1
38C
"The repair procedures given by the manufacturer in this document are based on the
technical specifications current when it was prepared.
The procedures may be modified as a result of changes introduced by the
manufacturer in the production of the various component units and accessories from
which his vehicles are constructed."
V1
All rights reserved by Renault s.a.s.
Edition Anglaise
Copying or translating, in part or in full, of this document or use of the service part
reference numbering system is forbidden without the prior written authority of
Renault s.a.s.
© Renault s.a.s. 2013
ANTI-LOCK BRAKING SYSTEM
ABS BOSCH 8.1
Vdiag No.: 18
Fault finding – Introduction 38C - 2
Fault finding – List and location of components 38C - 3
Fault finding – Role of components 38C - 4
Fault finding – Operating diagram 38C - 5
Fault finding – System operation 38C - 7
Fault finding – Programming 38C - 8
Fault finding – Replacement of components 38C - 9
Fault finding – Fault summary table 38C - 10
Fault finding – Interpretation of faults 38C - 11
Fault finding – Conformity check 38C - 29
Fault finding – Status summary table 38C - 32
Fault finding – Interpretation of statuses 38C - 33
Fault finding – Parameter summary table 38C - 36
Fault finding – Command summary table 38C - 37
Fault finding – Interpretation of commands 38C - 39
Fault finding – Customer complaints 38C - 44
Fault finding – Fault Finding Chart 38C - 45
38C-8V1 MR-376-X76-38C000$060.mif
38C
ABS BOSCH 8.1
Vdiag No.: 18
SETTINGS
VP001: Enter VIN.
This command permits manual entry of the vehicle's VIN into the computer.
Use this command each time the computer is replaced.
The VIN number (VF...) can be found on the manufacturer's plate on the door pillar and on the body panel
under the bonnet.
Programming procedure:
– connect the diagnostic tool,
– refer to the BOSCH 8.1 ABS fault finding,
– select parameter VP001,
– enter the VIN,
– clear the computer memory using command RZ001 Fault memory,
– exit fault finding mode,
– switch off the ignition,
– wait for the end of powerlatch,
– on the identification screen, using ID010 V.I.N. code, check that the code being entered has been
correctly recognised.
VP004: Vehicle parameters.
This command allows you to identify the vehicle on which the computer is installed.
Using PR063 Vehicle parameters, check that the parameters have been correctly recognised.
VP006: Enter last APV* operation date.
Whenever the ABS system is worked on in the shop, the date must be entered.
Select command VP006 on the diagnostic tool.
Enter the service date using the diagnostic tool keypad.
Using ID020 Read last After-Sales operation date, check that the date has been entered.
VP007: Tachometric index.
This command is used to program the computer memory with the index required to calculate vehicle speed
from the speed at which the tyres fitted on the vehicle turn.
Command VP007 is only used to stop the ABS warning light flashing after the computer has been
replaced.
Using PR030 Tachometric index, check that the index has been entered correctly.
APV*: After-SalesIMPORTANT:
The vehicle speed information is not delivered to the other computers by the ABS computer.
The vehicle speed signal is delivered by a speed sensor located on the gearbox.
ANTI-LOCK BRAKING SYSTEM
Fault finding – Programming
