RENAULT TWINGO 2009 2.G Engine And Peripherals Passenger Compartment Connection Unit OBD Workshop Manual

87B -131
MR-413-X44-87B000$624.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
ET181
KEY ALLOCATED TO THE VEHICLE
NOTESThere must be no present or stored faults.
Apply the checks only if the status is NO with the ignition on.
SPECIFICATIONSYES
NO
Check that ET185 "Key code received" is "YES". If it is "NO", run fault finding on this status.
Switch the ignition off and then on again.
If the status remains NO, run command SC018 Key check.
If the fault is still present, replace the defective key(s) and allocate the keys using command SC015 Key
allocation.
If the fault is still present, contact the Techline.
AFTER REPAIRRepeat the conformity check from the start.
Carry out fault finding on the system.
UCH_V44_ET181

87B -132
MR-413-X44-87B000$624.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
ET185
KEY CODE RECEIVED
NOTESThere must be no present or stored faults.
Apply the checks only if the status is NO with the ignition on.
SPECIFICATIONSYES
NO
Check that there are no powerful electromagnetic wave sources (CB (Citizen Band), mobile phone in close
proximity to the transponder ring).
Switch the ignition off and then on again.
Check that fuse F8 (15 A) is sound and correctly fitted in the passenger compartment fuse and relay box.
Replace the fuse if necessary.
Try the vehicle's second key.
If the status changes to YES, replace the first key and program the keys using command SC015 Key allocation.
This status tells you whether the UCH has received the immobiliser code from the key.
If the status remains NO, check the connection between the transponder ring (component code 1618) and the
UCH (component code 645).
Check the + 12 V feed on connection AP43 of component 1618.
If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the wiring, otherwise replace it.
Check that the earth on track 2 of the transponder ring is in perfect condition.
Check the insulation, the continuity and the absence of interference resistance on the following
connections:
●Connection code AP43 between components 1016 and 1618.
●Connection code 80X between components 645 and 1618.
●Connection code 80Y between components 645 and 1618.
●Connection code NAM between component 1618 and earth.
If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.
If the fault is still present, contact the Techline.
AFTER REPAIRRepeat the conformity check from the start.
Carry out fault finding on the system.
UCH_V44_ET185

87B -133
MR-413-X44-87B000$624.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
* RF: radio frequencyET186
ET189
SHORT PRESS ON DOOR CLOSING BUTTON
DOOR OPENING BUTTON PRESSED
NOTESThere must be no present or stored faults.
Check that LC097 Key type is definitely RF*. Otherwise run CF195 Key type and
select RF*.
Check the operation of statuses ET045 R.F.* signal received and ET193 RF* signal
from a key allocated to the vehicle.
Note:
The key must not be in the ignition switch.
Signal can be interpreted if the ignition is switched off (key removed from the
ignition switch).
SPECIFICATIONSACTIVE
INACTIVE
Check the condition of the key battery and of the button contacts.
Replace the battery if necessary.
Try the vehicle's second key.
If the status changes to Active, replace the first key and allocate the keys using command SC015 Key allocation.
If the fault is still present, contact the Techline.
AFTER REPAIRRepeat the conformity check from the start.
Carry out fault finding on the system.
UCH_V44_ET186 / UCH_V44_ET189

87B -134
MR-413-X44-87B000$624.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
* RF: radio frequencyET193
RF SIGNAL FOR A KEY ALLOCATED TO THE VEHICLE
NOTESThere must be no present or stored faults.
First check the operation of statuses ET045 RF* signal received and ET181 Key
allocated to the vehicle.
SPECIFICATIONSPRESENT
ABSENT
If statuses ET045 RF* signal received and ET181 Key allocated to the vehicle are correct, contact Techline.
AFTER REPAIRRepeat the conformity check from the start.
Carry out fault finding on the system.
UCH_V44_ET193

87B -135
MR-413-X44-87B000$624.mif
V5
UCH
Vdiag No.: 44PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
* Powerlatch: Time required for injection computer supply after + 12 V after ignition feed cut-off. ET229
INJECTION IMMOBILISER CODE
NOTESThere must be no present or stored faults.
Only apply the checks if the status is NOT PROGRAMMED or NOT DETERMINED
after activating the + After ignition feed for 20 seconds; switch off the ignition, wait for
the end of Powerlatch (20 minutes maximum), and then switch on the ignition again.
SPECIFICATIONSUNDETERMINED
NOT PROGRAMMED
PROGRAMMED
STATUS
NOT
PROGRAMMED
Run command SC017 Program injection immobiliser code.
STATUS
UNDETERMINEDSwitch the ignition off and then on again.
First check whether statuses ET046 Immobliser, ET181 Key allocated to the vehicle
and ET239 Position of the ignition switch are correct.
Carry out a multiplex network test (see 88B, Multiplexing).
Carry out fault finding on the injection system (see 13B, Diesel injection or 17B,
Petrol injection).
Check the condition of the injection computer connectors.
Check that the + 12 V supply and injection computer earth (component code 120) are
in order.
If the fault is still present, contact the Techline.
AFTER REPAIRRepeat the conformity check from the start.
Carry out fault finding on the system.
UCH_V44_ET229

87B -136
MR-413-X44-87B000$624.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
ET239
IGNITION SWITCH POSITION
NOTESThere must be no present or stored faults.
SPECIFICATIONS+ APC
+ START
+ ACCESSORIES FEED
Check the correct position and condition of fuses F2 (60A) in the engine fuse and relay box (component code
597) and F8 (15A) in the passenger compartment fuse and relay box (component code 1016).
Replace the fuse if necessary.
Check the condition and connection of the starter switch connector (component code 104) (tabs bent, broken,
oxidised).
Check the condition and connection of the PE1 connector of the UCH, (component code 645) (tabs bent,
oxidised, broken).
If the connector is faulty and there is a repair method (see Technical Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the wiring, otherwise replace the wiring.
Check for +12 V on connection AP29 of component 232.
Check the insulation, continuity and the absence of interference resistance on the connections between the
UCH (component code 645) and the ignition switch (component 104):
●Connection code A between components 104 and 1016.
●Connection code BP12 between components 104 and 597.
●Connection code AP43 between components 1016 and 645.
●Connection code D between components 104 and 232.
●Connection code 1B between components 232 and 645.
●Connection code AP29 between components 1016 and 232.
If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.
If the connections are in order, replace the ignition switch (component code 104).
(See MR 411 Mechanical 82A, Immobiliser, Ignition switch: Removal - Refitting).
If the fault is still present, contact the Techline.
AFTER REPAIRRepeat the conformity check from the start.
Carry out fault finding on the system.
UCH_V44_ET239

87B -137
MR-413-X44-87B000$624.mif
V5
UCH
Vdiag No.: 44PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
* RF: radio frequencyET240
KEY FREQUENCY (IN MHZ)
NOTESThere must be no present or stored faults.
SPECIFICATIONS433
NONE
NONE
The vehicle must not be equipped with a locking/unlocking button.
Check that LC097 Key type is definitely "Standard". Otherwise run CF195 Key type
and select "Standard".
WITHThe vehicle must be equipped with a locking/unlocking button.
Check that LC097 Key type is definitely RF*, otherwise run CF195 Key type and
select RF*.
Check the operation of statuses ET045 R.F.* signal received" and ET193 RF* signal
from a key allocated to the vehicle.
If the door locking/unlocking by radio frequency key does not operate, replace the key
and run command SC015 Key allocation.
If the fault is still present, contact the Techline.
AFTER REPAIRRepeat the conformity check from the start.
Carry out fault finding on the system.
UCH_V44_ET240

87B -138
MR-413-X44-87B000$624.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
*Powerlatch: Time required for injection computer supply after + 12 V after ignition feed cut-off to the ignition switch. ET250
INJECTION
NOTESThere must be no present or stored faults.
Switch on the + after ignition feed for 20 seconds, switch off the ignition, wait until the
end of Powerlatch* (20 minutes maximum), then switch on the ignition again.
Check that the immobiliser warning light remains lit.
SPECIFICATIONSNOT PROTECTED
PROTECTED
After the setpoint has been obtained, if the status remains PROTECTED, first check that statuses ET046 Engine
immobiliser, ET181 Key allocated to vehicle and ET229 Injection immobiliser code are operating correctly.
Carry out a multiplex network test (see 88B, Multiplexing).
Carry out fault finding on the injection system (see 13B, Diesel injection or 17B, Petrol injection).
If the fault is still present, contact the Techline.
AFTER REPAIRRepeat the conformity check from the start.
Carry out fault finding on the system.
UCH_V44_ET250

87B -139
MR-413-X44-87B000$624.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
With deadlocking:ET463
DOOR(S) OR TAILGATE
NOTESThere must be no present or stored faults.
Status ET463 must be "Open" when at least one of the doors or tailgate is open
and must be "Closed" when all of the doors and tailgate are closed.
Note:
The tailgate lock (electric central door locking) must only be used to open the
luggage compartment and not to close it.
SPECIFICATIONSOPEN
CLOSED
Check the following configurations:
–Check that LC097 Key type is definitely RF depending on the vehicle equipment level. Otherwise run
CF195 Key type.
–Check that LC003 Deadlocking is definitely With. Otherwise, run CF009 Deadlocking.
–Check that LC040 Locking when driving is definitely With. Otherwise, run CF108 Locking when driving.
–Check that LC093 Central door locking is definitely With. Otherwise run CF192 Central door locking.
Check the presence and condition of the fuse F14 (20 A) (for vehicles equipped with deadlocking) in the passenger
compartment fuse box and relay, (component code 1016).
Replace the fuse if necessary.
Check the condition and connection of connectors PE1, PE2 and PE3 of the UCH (component code 645) (tabs
bent, oxidised, broken).
Check the condition and connection of the electric central door locking connectors for the driver (component code
140) and passenger's doors (component code 141) and the tailgate (component code 1322) (tabs bent, broken,
oxidised).
If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.
Door locks:
Check for + 12 V on connection BP3 of component 1042.
Check for + 12 V on connection 86H of component 140 or 141.
Check for earth on connection MAM of component 1042.
Check for earth on connection MAN of component 140 or 141.
AFTER REPAIRRepeat the conformity check from the start.
Carry out fault finding on the system.
UCH_V44_ET463

87B -140
MR-413-X44-87B000$624.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
ET463
CONTINUED 1
Tailgate locks:
Check for + 12 V on connection 86H (when there is an opening request) of component 1322. Check for earth on
connection MYH on component 1322.
Electric central door locking, tailgate lock and central door locking relay check:
Check the insulation, continuity and the absence of interference resistance of the following connections:
Door locks:
●Connection code 20C between components 140 or 141 and 645.
●Connection code 20D between components 140 or 141 and 645.
●Connection code 20AP between components 140 or 141 and 1016.
●Connection code MAN (right-hand drive) or MAM (left-hand drive) between component 140 and earth
MAN (right hand drive) or MAM (left-hand drive).
●Connection code MAN (left-hand drive) or MAM (right-hand drive) between component 141 and earth
MAN (left-hand drive) or MAM (right-hand drive).
Tailgate lock:
●Connection code 20S between components 1322 or 645.
●Connection code 86H between components 1322 or 645.
●Connection code MYH between component 1322 and earth MYH.
For manual gearbox:
●Connection code 86H between components 140 or 141 and 645.
For sequential gearbox:
●Connection code H24 between components 140 and 645.
If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.
If the supplies and connections of the electric central door and tailgate locking are correct, check the central door
locking relay.
Check the insulation of the contact of component 140 between connections 86H and MAM (door closed).
Check the continuity of the contact of component 140 between connections 86H and MAM (door open).
Check the insulation of the contact of component 141 between connections 86H and MAM (door closed).
Check the continuity of the contact of component 141 between connections 86H and MAM (door open).
If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.
If the supply, connections and earth of the central door locking relay are correct, replace the relay.
If the supplies, central door locking connections, locking relay and electric central door locking relay are correct,
replace the lock concerned.
AFTER REPAIRRepeat the conformity check from the start.
Carry out fault finding on the system.