2009 RENAULT TWINGO door lock

87B-96
MR-413-X44-87B000$576.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
ET044
ELECTRIC DOOR LOCK BUTTON
NOTESNo faults should be present or stored.
Only apply the checks if the PRESSED and RELEASED statuses are inconsistent
with the actual position of the electric door locking button.
SPECIFICATIONSPRESSED
RELEASED
Check the following configurations:
–Check that LC003 Deadlocking is With. Otherwise carry out CF009 Deadlocking.
–Check that LC040 Automatic locking when driving is With. Otherwise carry out CF108 Automatic locking
when driving.
–Check that LC093 Central door locking is W ith. Otherwise perform CF192 Central door locking.
Check that fuse F42 (10 A) is sound and correctly fitted to the passenger compartment fuse and relay box
(component code 1016).
Replace the fuse if necessary.
Check the condition and connection of the door lock switch/hazard warning lights switch connector (component
code 1391) (bent, oxidised, broken tabs).
Check the condition and connection of the UCH PE1 and PE2 connectors (component code 645) (tabs bent,
oxidised or broken).
If the connector(s) are faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring
repair, Wiring: Precautions for repair), repair the wiring, otherwise replace the wiring.
Check for + 12 V on deadlocking/warning switch connection LPD (component code 1391).
Check for the earth on connection MAN of the locking / hazard warning lights switch (component code 1391).
AFTER REPAIRRepeat the conformity check from the start.
Carry out fault finding on the system.
UCH_V44_ET044

87B-97
MR-413-X44-87B000$576.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
ET044
CONTINUED
Check the insulation, continuity and the absence of interference resistance on the following connections and
press the central door locking button to check the signal status on the following connections using the
oscilloscope (see signal status in test1 “Central door locking”):
●Connection code 64F between components 645 and 1391.
●Connection code 64Q between components 645 and 1391.
●Connection code 20M between components 1391 and 645.
●Connection code 20AW between components 1391 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.
On component 1391, with the lock button pressed, check the continuity between connections 20AW and MAN.
On component 1391, with the lock button released, check the insulation between connections 20AW and MAN.
If the fault is still present, replace the central door locking/hazard warning lights switch (component code 1391).
(See MR 411 84A, Controls - Signals, Hazard warning lights and central door locking:
Removal - Refitting).
AFTER REPAIRRepeat the conformity check from the start.
Carry out fault finding on the system.

87B -102
MR-413-X44-87B000$576.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
ET061
TAILGATE OPENING REQUEST
NOTESNo faults should be present or stored.
IMPORTANT
On entry level vehicles (without central door locking), it is necessary to open the
tailgate mechanically using the key.
SPECIFICATIONSPRESENT
ABSENT
Check the following configuration:
–Check that LC093 Central door locking is With. Otherwise perform CF192 Central door locking.
Check the condition and connection of the tailgate lock connector (bent, broken tabs, etc.).
Check the condition and connection of the PE1 connector of the UCH, (component code 645) (tabs bent,
broken, etc.).
Check that the earth on connection MYH of the tailgate switch and tailgate lock are in perfect condition.
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.
When unlocking, check the signal status on component 1391 of the following connections using an oscilloscope
(refer to test1 “Central door locking”).
Tailgate lock:
Oscilloscope red test pin on connection 20S of
component 1322Oscilloscope black test pin on connection MYH
of component 1322
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.
AFTER REPAIRRepeat the conformity check from the start.
Carry out fault finding on the system.
UCH_V44_ET061

87B -103
MR-413-X44-87B000$576.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
ET061
CONTINUED
Check the insulation, continuity and the absence of interference resistance on the following connections:
Tailgate lock check:
●Connection code 20S between components 1322 and 645.
●Connection code 86H between components 1322 and 645.
With electric central door locking:
●Connection code 20G between components 560 and 645.
●Connection code MYH between component 560 and earth MHY.
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 Techline.
AFTER REPAIRRepeat the conformity check from the start.
Carry out fault finding on the system.

87B-116
MR-413-X44-87B000$624.mif
V5
87B
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
ET085
HAZARD WARNING LIGHTS BUTTON
NOTESThere must be no present or stored faults.
Check the following configuration:
–Check that LC018 Hazard warning lights switched on by ABS is definitely With.
Otherwise, run CF024 Illumination of hazard warning lights by ABS.
SPECIFICATIONSDEPRESSED
RELEASED
Check the presence and condition of fuse F42 (10 A) in the passenger compartment fuse and relay box
(component code 1016).
Replace the fuse if necessary.
Check the condition and connection of the central door locking/warning switch connector (component code 1391)
(tabs broken, bent, 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 LPD of the locking/warning switch (component code 1391).
Check for earth on connection MAN of the locking/warning switch (component code 1391).
Check for + 12 V on connection 64D (when there is a hazard warning lights request) on components 255, 267 and
172.
Check for earth on components 255, 267 and 172 (indicator lights).
Check for + 12 V on connection 64C (when there is a hazard warning lights request) of components 256, 268 and
173 (indicator lights). Check for earth on components 256, 268 and 173.
AFTER REPAIRRepeat the conformity check from the start.
Carry out fault finding on the system.
UCH_V44_ET085
MR-413-X44-87B000$624.mif
UCH
Vdiag No.: 44

87B-117
MR-413-X44-87B000$624.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
ET085
CONTINUED
Lights check:
Check the insulation, continuity and the absence of interference resistance of the following connections:
Front right-hand lights:
●Connection code 64D between components 255 and 645.
●Connection code MAR between component 1391 and earth MAR.
Front left-hand lights:
●Connection code 64D between components 256 and 645.
●Connection code MAS between component 1391 and earth MAS.
Right-hand repeater:
●Connection code 64D between components 267 and 645.
●Connection code MAR between component 1391 and earth MAR.
Left-hand repeater:
●Connection code 64D between components 268 and 645.
●Connection code MAN between component 1391 and earth MAN.
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, earths and connections are correct, replace the component concerned.
Check for + 12 V on connection LPD of component 1391.
Check for earth on connection MAN of component 1391.
Switch check:
Check the insulation, continuity and the absence of interference resistance of the following connections:
●Connection code 64F between components 1391 and 645.
●Connection code 64Q between components 1391 and 645.
●Connection code MAN between component 1391 and earth MAN.
●Connection code LPD between components 1391 and 1016.
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, earth and connections are correct, replace the door locking/warning switch (component code
1391). (see MR 411 Mechanical 84A, Control - Signals, Hazard warning lights and central door locking:
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.

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 -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