ignition RENAULT TWINGO 2009 2.G Electrical Equipment - Multiplexing Workshop Manual
[x] Cancel search | Manufacturer: RENAULT, Model Year: 2009, Model line: TWINGO, Model: RENAULT TWINGO 2009 2.GPages: 33, PDF Size: 0.18 MB
Page 3 of 33
88B-3V3 MR-413-X44-88B000$010.mif
MULTIPLEXING
Fault finding – Introduction88B
MULTIPLEX NETWORK OPERATION TEST
Vehicle computer power supply for fault finding:
Depending on the type of vehicle equipment, proceed as follows:
To cut off + after ignition feed, proceed as follows:
This step is the essential starting point for any computer fault finding procedure.
It ensures that the network is correctly connected at the terminals of each computer and that the signal is correctly
sent to it and received by it. This function also reads the number of faults present in the computers.
The multiplex network test function is started after the user selects the vehicle then selects the Test
computers icon.
After the network check, the other functions become accessible.Standard key/radio frequency key, switch on the ignition with the key.
Standard key/radio frequency key, switch off the ignition with the key.
Page 17 of 33
88B-17V3 MR-413-X44-88B000$060.mif
88B
MULTIPLEX NETWORK CONFIGURATION
For the
CAN Vehicle network:
The tool displays the UCH and/or Airbag configurations.
The Configuration screen consists of two tabs for displaying and modifying the:
–The first tab, Multiplex network configuration, indicates the multiplex network version and the list of computers
defined as present on the multiplex network.
–The second tab, Configuration of computers which support fault finding, indicates the relevant diagram
number, and the list of computers defined as supporting fault finding with the RENAULT tool.
First repair the computers containing the multiplex network configuration (Airbag and UCH) in order to
display the screen with the multiplex network configuration diagram for the vehicle on which fault finding is
being run.
For the
CAN Multimedia network:
The tool presents the configuration of the A2/A3 display.
The Configuration screen consists of two tabs for displaying and modifying the:
–The first tab, Multiplex network configuration, indicates the multiplex network version and the list of computers
defined as present on the multiplex network.
–The second tab, Configuration of computers which support fault finding, indicates the relevant diagram
number, and the list of computers defined as supporting fault finding with the RENAULT tool.
NOTESThe configuration is entered with the ignition on; apply the forced + after ignition
feed procedure (see Introduction).
It can be run from the multiplex network test results screens.
WARNING: the network version number is 1.
This is the diagram version which changes each time the multiplex network wiring is modified on this vehicle.
WARNING: the network version number is 1.
This is the diagram version which changes each time the multiplex network wiring is modified on this vehicle.
MULTIPLEXING
Fault finding – Configuration
Page 20 of 33
88B-20
AFTER REPAIRRun the multiplex network test again using the diagnostic tool.
Clear the stored faults on all the computers connected to the network.
Deal with any other faults.
V3 MR-413-X44-88B000$070.mif
88B
MULTIPLEX NETWORK NOT OPERATIONAL
NOTESFirst check that the computer at the end of the faulty segment is properly powered
(earth, + battery, + accessories or + after ignition).
Always check the computer conformity.
Switch off the ignition.
Finding the fault
type
NOTESObtain a copy of the multiplex network diagram for the
vehicle.
(Diagnostic socket diagram).
Measure the resistance of component 225 between the following connections:
•Connection code 133B
•Connection code 133C
What is the value obtained?
0 ΩΩ Ω ΩThe two lines are in short circuit (see Introduction - Repair advice).
60 ΩΩ Ω Ω
± 10 ΩΩ Ω Ω
Check first that the computers storing the configuration (Airbag and UCH) are
correctly supplied:
–check for earth on connection NAP, and for +12 V supply on connection AP25 on
component 756.
–check for earth on connections MAM and NAM, and for +12 V supply on
connections AP7, AP43, BP3, BP6, BP15, BP19, BP49 on component 645.
BETWEEN 70 ΩΩ Ω Ω
AND 110 ΩΩ Ω ΩFor each connection 133B and 133C, check that there is no interference resistance
and then check that there is no short circuit to earth or to the + battery feed.
120 ΩΩ Ω Ω
± 10 ΩΩ Ω Ω
Open circuit on one or two lines.
Disconnect the airbag and check the multiplex connection between the diagnostic
socket and the airbag.
Is the multiplex connection correct?
MULTIPLEXING
Fault finding – Interpretation of faults
Page 22 of 33
88B-22
AFTER REPAIRRun the multiplex network test again using the diagnostic tool.
Clear the stored faults on all the computers connected to the network.
Deal with any other faults.
V3 MR-413-X44-88B000$070.mif
MULTIPLEXING
Fault finding – Interpretation of faults88B
FAULTY SEGMENT ON THE MULTIPLEX NETWORK
NOTESFirst check that the computer at the end of the faulty segment is properly powered
(earth, + battery, + accessories or + after ignition).
Always check the computer conformity.
IMPORTANT
It may be that the tool cannot exactly determine which segment(s) are faulty. It will then
suggest several segments that could be faulty. In this event, repair the segment closest
to the diagnostic socket.
Isolate the faulty segment by disconnecting both ends of the segment. Check the condition of the connectors.
Check the continuity and insulation of the CAN H and CAN L lines (connections 133B and 133C) between the two
connectors of the isolated segment.
Refer to the vehicle's multiplex network diagram for the allocation of tracks on the computers and connections.
Perform the necessary operations to check the continuity of the two lines (for example, replacing the wiring).
Make sure that the computer present in the vehicle is compatible and that the data it is producing is correct.
Reconnect the segment.
Carry out the multiplex network test again using the diagnostic tool.
Is the segment still declared faulty?
NOEnd of fault finding.
YESAre there other faulty segments?
NO
Repeat the multiplex network tests to ensure the continuity and insulation of the CAN
H and CAN L lines (connections 133B and 133C) between the end of the faulty
segment and the diagnostic socket.
YESApply the same procedure to each segment.
Page 23 of 33
88B-23
AFTER REPAIRRun the multiplex network test again using the diagnostic tool.
Clear the stored faults on all the computers connected to the network.
Deal with any other faults.
V3 MR-413-X44-88B000$070.mif
MULTIPLEXING
Fault finding – Interpretation of faults88B
FAULTY COMPUTER
Vehicle multiplex network
NOTESMake sure that the computers installed in the vehicle are the correct type and are
compatible with the vehicle.
Check that the computers are correctly supplied (earth, + battery feed,
+ accessories feed or + after ignition feed).
Make sure that the computer wake-up mode is in full working order on the vehicle and is properly assimilated
by the computers.
The wake-up mode is:
–Timed supply: UCH,
–+ accessories feed: Air conditioning, ABS/ESP.
–+ after ignition feed: Injection, Airbag/Pretensioners, Sequential gearbox, Instrument panel.
In + accessories feed these computers will not appear.
–Switch to computer fault finding mode.
Attempt to establish dialogue with computers.
No communication from computers to diagnostic tool: see ALP 1
No communication with the computer or computers not communicating with the diagnostic tool.
Check the connections to the computers and that there are no open circuits.
Repair if necessary.
Computers are not displaying all the information on their identifications:
Check in the Workshop Repair Manual or the World Vehicle Database that the computer is compatible
with the vehicle.
Check that the CLIP diagnostic tool update is recent enough to be able to deal with faults on the vehicle.
If no faults or open or short circuits have been detected after these checks, contact Techline.
Page 24 of 33
88B-24
AFTER REPAIRRun the multiplex network test again using the diagnostic tool.
Clear the stored faults on all the computers connected to the network.
Deal with any other faults.
V3 MR-413-X44-88B000$070.mif
MULTIPLEXING
Fault finding – Interpretation of faults88B
FAULTY COMPUTER (continued 1)
Multimedia multiplex network
NOTESSwitch off the vehicle ignition.
Measure the resistance of component 225 between the following Multimedia multiplex line connections:
–connection code 107X
–connection code 107W
What is the value of the resistance?
0 ΩΩ Ω ΩThe two lines are in short circuit (see Introduction - Repair advice).
60 ΩΩ Ω Ω
± 10 ΩΩ Ω Ω
For radio R1-08 and radio R2-08:
Check for earth on connection MA0, and for +12 V supply on connection BCP4 to the
radio 261.
Check for earth on connection NAM, and for +12 V supply on connection BCP4 and
BPT to the display 653.
For the Multimedia connection (C-box):
Check for earth on connection NAM, and for +12 V supply on connection BCP4 to the
Multimedia connection computer (C-box) 1959.
BETWEEN 70 ΩΩ Ω Ω
AND 110 ΩΩ Ω ΩFor each of Multimedia multiplex line connections 107X and 107W, check that there
is no interference resistance and then check that there is no short circuit to earth or to
the + battery feed.
120 ΩΩ Ω Ω
± 10 ΩΩ Ω Ω
Open circuit on one or both lines
For radio R1-08 and radio R2-08
Disconnect component 261 and check the multimedia multiplex connections 107X
and 107W between components 225 and 261.
For the Multimedia connection (C-box):
Disconnect component 1959 and check the multimedia multiplex connections
107X and 107W between components 225 and 1959.
Is the multiplex connection correct?
Page 28 of 33
88B-28V3 MR-413-X44-88B000$080.mif
88B
ALP 1 No dialogue with computers
NOTESVehicle computer power supply for fault finding:
Engine stopped, ignition on.
Connect the diagnostic tool and perform the required operations.
Try the diagnostic tool on another vehicle.
Check that the tool has been updated with the latest version.
Check:
–the connection between the diagnostic tool and the diagnostic socket (component 225) (connection and cable
in good condition),
–the supplies of the computers,
–the engine and passenger compartment fuses.
MULTIPLEXING
Fault finding – Fault finding chart
Page 29 of 33
88B-29V3 MR-413-X44-88B000$080.mif
MULTIPLEXING
Fault finding – Fault finding chart88B
ALP 1
CONTINUED 1
Check for the supply and earth on the diagnostic socket (component 225) through the following connections: BP19
(+12 V), NAM and MAM (earth). If the checks are correct then move on to the next step, depending on the type of
sensor used:
1.Renault fault finding sensor (with wire connection only):
Check that the CLIP sensor is supplied through the computer's USB port and the diagnostic socket by checking
that the red diodes illuminate. If it is not, try with another cable, another sensor or another clip in order to determine
the defective component.
Check that the CLIP sensor communicates with the vehicle computers by checking that the two green LEDs on the
sensor light up. If it is not, check that the test conditions have been met ( + after ignition feed, vehicle selection
etc.) otherwise apply the electrical checks below.
green diodes red diodes
CAN Vehicle supply through diagnostic socket
ISO Sensor supply through USB port
Page 30 of 33
88B-30V3 MR-413-X44-88B000$080.mif
MULTIPLEXING
Fault finding – Fault finding chart88B
ALP 1
CONTINUED 2
2.Alliance fault finding sensor (with wireless connection possible):
Deal with the fault finding for each warning light in the following order of priority: from warning light 1 to warning
light 3.
Description
of warning
lights
displayed
on the
sensor from
left to rightWarning light 1
shows the supply
statusWarning light 2 shows
the type and status of
the connectionWarning light 3 shows
the level of
communication with
the vehicleReserved
for the
Nissan tool
OffSensor not
connected to the
vehicle or
connection faultNo connection to clip or
connection faultNo dialogue with the
computers-
GreenSensor supplied Wireless connectionGreen flashing:
communication in
progress-
Orange-Connection with USB
port--
RedInitialisation fault - Communication error -
To be
checkedIf red or off:
–Initialisation or
connection fault.
Disconnect and
reconnect several
times. If the result
is not conclusive,
try with another
sensor.If off:
–Wireless connection:
Try connecting with a
USB cable. If the
warning light
illuminates orange,
then check the
configuration of the
wireless connection. If
it is not correct, call
Techline.
–Wire connection: Try
with another USB
cable or another CLIP
sensor or even another
sensor to determine
the faulty component.If warning light 3 is off
or red and warning
light 2 is on:
–in this case, during the
multiplex network test
check that the green
warning light flashes
and that the test
conditions have been
met (+ after ignition
feed, vehicle
selection, etc.)
otherwise apply the
electrical checks
below.If the
warning
light is on:
Contact
Techline.