88B-4
V1
MR-453-X79-88B000$010.mif
MULTIPLEXING
Fault finding – Introduction
88B
MULTIPLEX NETWORK TEST PROCEDURE
– Establish dialogue with the computers storing the vehicle configuration (read identification).
– Read the computers that support fault finding.
– Computer interrogation.
– Physical (electrical) measurements on the multiplex line network.
IMPORTANT
Two fault finding lines are present on this vehicle depending on the equipment:
Multiplex line:
–Injection (depending on the engine)
– Torque distributor - ETC
Line K:
–Airbag
– ABS/ESP
– GEPDA
ACQUISITION AND DISPLAY OF THE RESULTS
The acquisition screen is made up of a bar graph which changes when the various initialisation, acquisition and data
analysis stages are updated.
At the end of the test, the tool displays a screen with the test result.
COMPUTERS
– Valid: green border, green lettering.
– Not detected: red border, red lettering.
– Cannot support fault finding: black border, black lettering.
– Not recognised: red border, red lettering + exclamation mark.
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