relay RENAULT TWINGO RS 2009 2.G Engine And Peripherals Passenger Compartment Connection Unit OBD Repair Manual

87B -126
MR-413-X44-87B000$624.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
ET111
CONTINUED 1
Front fog lights check:
Check the insulation, continuity and the absence of interference resistance of the following connections:
Right-hand light and front right-hand fog light relay:
●Connection code 8B, between components 176 and 231.
Front left-hand light and front left-hand fog light relay:
●Connection code 8B, between components 177 and 231.
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.
Check for + 12 V (when there is a front fog lights request) on connection 8M of component 231. Check for + 12 V
on connection BP16 of component 231.
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.
Front fog lights relay check:
Check the insulation, continuity and the absence of interference resistance of the following connections:
●Connection code 8M between components 231 and 645.
●Connection code BP16 between components 231 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.
AFTER REPAIRRepeat the conformity check from the start.
Carry out fault finding on the system.

87B -127
MR-413-X44-87B000$624.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
ET111
CONTINUED 2
Control stalk check (component code 209):
Check the insulation, continuity and the absence of interference resistance of the following connections:
Check between the switch stalk (component code 209) and the UCH:
●Connection code 8H between components 209 and 645.
Check between the control stalk (component 209) and the passenger compartment fuse and relay box
(component code 1016):
●Connection code BPA2 between components 209 and 1016.
●Connection code BPA3 between components 209 and 1016.
●Connection code MAN or MAM between component 209 and earth MAN or earth MAM (depending on the
driving layout, right- or left-hand drive).
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.
Check for + 12 V on connections BPA2 and BPA3 of component 209. Check for earth on connection MAM (for
right-hand drive vehicles) or MAN (for left-hand drive vehicles) of component 209.
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 control stalk (component code 209) are correct, replace the control stalk
(component code 209). (See MR 411 Mechanical 84A, Control - Signals, Lighting - Signals 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.

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 -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 -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.

87B -142
MR-413-X44-87B000$624.mif
V5
UCH
Vdiag No.: 44PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
ET463
CONTINUED 3
Check for the driver's door signal
separation diode in the passenger
compartment fuse box (location 46 in the
relay and fuse box) and the conformity of
fuse 2A (location 45 in the relay and fuse
box), which are inserted between the
driver's door switch and the UCH.
Are the diode and fuse present and
correct?
C
YESA
NO
D
AFTER REPAIRRepeat the conformity check from the start.
Carry out fault finding on the system.

87B -152
MR-413-X44-87B000$816.mif
V5
87B
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands
AC004
AC005
CENTRAL LOCKING
CENTRAL DOOR UNLOCKING
NOTESSpecial notes:
If the opening element motors are supplied too quickly and it is too difficult to test
using a multimeter, the measurements must be made using an oscilloscope.
No faults should be present or stored.
IMPORTANT
The door motors can perform 15 successive activations; beyond this there is a risk of the motors overheating and
being damaged.
NOTESNo faults should be present or stored.
Status ET463 “Door(s) or tailgate” 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.
Check that fuses F14 (20 A) are sound and correctly fitted in the passenger compartment fuse and relay box
(for vehicles equipped with deadlocking function) (component code 1016).
Replace the fuse if necessary.
Check the condition and connection of the PE1, PE2 and PE3 connectors of the UCH (component code 645)
(tabs pushed back, oxidised, broken).
Check the condition and connection of the connectors of the electric locks of the driver's door (component
code 140), passenger door (component code 141) and the tailgate (component code 1322) (tabs pushed
back, 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.
AFTER REPAIRCarry out another fault finding check on the system.
UCH_V44_AC004 / UCH_V44_AC005
MR-413-X44-87B000$816.mif
UCH
Vdiag No.: 44

87B -154
MR-413-X44-87B000$816.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands
UCH
Vdiag No.: 44
87B
AC004
AC005
CONTINUED 2
Checking the electric central door locking, tailgate lock and central door locking relay (component code
1322):
Check the insulation, continuity and the absence of interference resistance on 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 1042 (if deadlocking).
●Connection code MAN (right-hand motor) or MAM (left-hand motor) between component 140 or 141 and
the earth MAN (right-hand motor) or MAM (left-hand motor).
Tailgate lock check:
●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 1016.
For sequential gearbox:
●Connection code H24 between components 140 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.
Vehicle which is equipped with deadlocking function:
If the supplies and connections of the electric central door and tailgate locking are correct, check the central door
locking relay (Component code 1042).
Check the insulation, continuity and the absence of interference resistance on the following connections:
Central door locking relay check:
●Connection code BP3 between components 1042 and 1016.
●Connection code MAM between component 1042 and earth MAM.
●Connection code 20AP between components 1042 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 supply, connections and earth of the central door locking relay are correct, replace the relay.
If the feeds, the electric door locking connections, the locking relay (Connection code 1042) and the electric
central door locking are correct, check the door lock switch / hazard warning light switch (component
code 1391).
AFTER REPAIRCarry out another fault finding check on the system.

87B -156
MR-413-X44-87B000$816.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands
UCH
Vdiag No.: 44
87B
AC007
REAR SCREEN WIPER
NOTESNo faults should be present or stored.
Check that LC096 "Automatic wiper function" displays "With". If not, carry out
CF194 "Automatic wiper function".
Check that LC094 “Windscreen wiper intermittent speed ring” is “With”,
otherwise carry out CF191 “Windscreen wiper intermittent speed ring”.
Check that fuse F36 (15 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 3-track rear screen wiper motor connector (component code 211)
(broken, bent, oxidised tabs).
Activate the rear screen wiper, check for + 12 V on connection 36A of the rear screen wiper motor connector
(component code 211).
Check that the earth on connection MYH of the rear screen wiper motor connector (component code 211) is
in perfect condition.
Check the condition and connection of the UCH 40-track connector PE1 (component code 645) (tabs bent,
oxidised or 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.
AFTER REPAIRCarry out another fault finding check on the system.
UCH_V44_AC007