RENAULT SCENIC 2008 J84 / 2.G Electrical Equipment - Multiplexing Workshop Manual

RENAULT SCENIC 2008 J84 / 2.G Electrical Equipment - Multiplexing Workshop Manual https://www.carmanualsonline.info/img/7/1664/w960_1664-0.png RENAULT SCENIC 2008 J84 / 2.G Electrical Equipment - Multiplexing Workshop Manual

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RENAULT SCENIC 2008 J84 / 2.G Electrical Equipment - Multiplexing Workshop Manual Electrical equipment
"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 resu

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RENAULT SCENIC 2008 J84 / 2.G Electrical Equipment - Multiplexing Workshop Manual 88B - 2
MULTIPLEXING
Fault finding - Introduction
88B
V4 MR-372-J84-88B050$100_eng.mif
188BMULTIPLEXING
Fault finding - Introduction
INTRODUCTION
Description of the multiplex network:
The multiplex ne

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RENAULT SCENIC 2008 J84 / 2.G Electrical Equipment - Multiplexing Workshop Manual 88B - 3
MULTIPLEXING
Fault finding - Introduction
88B
V4 MR-372-J84-88B050$100_eng.mif
MULTIPLEX NETWORK OPERATION TEST
This step is the essential starting point for any computer fault finding procedu

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RENAULT SCENIC 2008 J84 / 2.G Electrical Equipment - Multiplexing Workshop Manual 88B - 4
MULTIPLEXING
Fault finding - Introduction
88B
V4 MR-372-J84-88B050$100_eng.mif
COMPUTERS
–Valid: green border, green lettering.
–Not detected: red border, red lettering.
–Do not support

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RENAULT SCENIC 2008 J84 / 2.G Electrical Equipment - Multiplexing Workshop Manual 88B - 5
MULTIPLEXING
Fault finding - Introduction
88B
V4 MR-372-J84-88B050$100_eng.mif
REPAIR HELP:
●Assistance with computer or faulty segment detection:
If the multiplex network is completely froz

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RENAULT SCENIC 2008 J84 / 2.G Electrical Equipment - Multiplexing Workshop Manual 88B - 6
MULTIPLEXING
Fault finding - Introduction
88B
V4 MR-372-J84-88B050$200_eng.mif
MULTIPLEXING
Multiplexing enables signals to be sent between different computers on the vehicle, such as:
1UPC.
2

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RENAULT SCENIC 2008 J84 / 2.G Electrical Equipment - Multiplexing Workshop Manual MULTIPLEXING
Fault finding - Operating diagram
88B - 7
88B
V4 MR-372-J84-88B050$300_eng.mif
MULTIPLEXING
Fault finding - Operating diagram
1UPC.
2Injection computer.
3BVA computer.
4LPG or CNG compute

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RENAULT SCENIC 2008 J84 / 2.G Electrical Equipment - Multiplexing Workshop Manual MULTIPLEXING
Fault finding - Features
88B - 8
88B
V4 MR-372-J84-88B050$400_eng.mif
MULTIPLEXING
Fault finding - Features
To improve the performances of vehicles, more 
computers are needed to share mo

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RENAULT SCENIC 2008 J84 / 2.G Electrical Equipment - Multiplexing Workshop Manual MULTIPLEXING
Fault finding - Features
88B - 9
88B
V4 MR-372-J84-88B050$400_eng.mif
1)    The transmitting computer formats the signal to be 
transmitted into a frame that can be identified by 
other c

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RENAULT SCENIC 2008 J84 / 2.G Electrical Equipment - Multiplexing Workshop Manual MULTIPLEXING
Fault finding - Defect and safe modes
88B  - 10
88B
V4 MR-372-J84-88B050$500_eng.mif
MULTIPLEXING
Fault finding - Defect and safe modes
The multiplexing function does not have a safe mode
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