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

87B -111
MR-413-X44-87B000$576.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
With automatic headlighting:ET082
REAR FOG LIGHTS REQUEST
NOTESNo faults should be present or stored.
Note:
The signal can only be interpreted if the function is managed by the UCH
(vehicle equipped with one-touch fog light control)
Check the following configurations:
Check that LC008 Daytime running lights is With. Otherwise carry out CF014
"Daytime running lights".
–Check that LC015 Front fog lights is With. Otherwise run CF021 Front fog
lights.
–Check that LC025 "See-me-home lighting" is "With". Otherwise carry out
CF032 "See-me-home lighting".
–Check that LC044 "Rain/light sensor" displays "Present". If not, carry out
CF035 "Rain/light sensor".
–Check that LC095 "Automatic headlight function", displays "With". If not, carry
out CF193 "Automatic headlight function".
SPECIFICATIONSPRESENT
ABSENT
Check the presence and condition of fuses F15 (5 A), F20 (15 A), F25 (5 A), F39 (10 A) on the passenger
compartment fuse and relay box (component code 1016).
Replace the fuse if necessary.
Check the correct positioning and condition of the bulb concerned. Replace the light if necessary.
Check the condition and connection of the light concerned (bent, oxidised, broken tabs).
Check the condition and connection of the UCH PE2 connector (component code 645) (tabs bent, oxidised or
broken).
Check the condition and connection of the horn and lights switch connector (component code 209) (tabs bent,
oxidised, broken).
Check for + 12 V (when rear fog lights are requested) on connection 9P of components 172 and 173.
Check for earth on connection MF of component 172 and connection MG on component 173.
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_ET082

87B-112
MR-413-X44-87B000$576.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
ET082
CONTINUED 1
Rear fog lights check:
Check the insulation, continuity and the absence of interference resistance on the following connections:
Right-hand rear fog light:
●Connection code 9P between components 172 and 230.
Left-hand rear fog light:
●Connection code 9P between components 173 and 230.
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 rear fog light request) on connection 9W of component 230. Check for + 12 V
on connection BP16 of component 230.
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.
Rear fog lights relay check:
Check the insulation, continuity and the absence of interference resistance on the following connections:
●Connection code 9W between components 230 and 645.
●Connection code BP16 between components 230 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-113
MR-413-X44-87B000$576.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
ET082
CONTINUED 2
Checking the monolever (component code 209):
Check the insulation, continuity and the absence of interference resistance on the following connection:
Check between the monolever (component code 209) and the UCH:
●Connection code 9B between components 645 and 209.
Check between the monolever (component code 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 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 feeds and the connections of the monolever (component code 209) are correct, replace the monolever
(component code 209). (See MR 411 mechanical systems 84A, Controls - Signals, Lighting and signals
switch: Removal - Refitting)
If the fault is still present, contact Techline.
AFTER REPAIRRepeat the conformity check from the start.
Carry out fault finding on the system.

87B-114
MR-413-X44-87B000$576.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
ET083
ET084
LEFT-HAND INDICATOR REQUEST
RIGHT-HAND INDICATOR REQUEST
NOTESNo faults should be present or stored.
Check the following configurations:
Check that LC008 Daytime running lights is With. Otherwise carry out CF014
"Daytime running lights".
–Check that LC015 Front fog lights is With. Otherwise run CF021 Front fog
lights.
–Check that LC025 "See-me-home lighting" is "With". Otherwise carry out
CF032 "See-me-home lighting".
–Check that LC044 "Rain/light sensor" displays "Present". If not, carry out
CF035 "Rain/light sensor".
–Check that LC095 "Automatic headlight function", displays "With". If not, carry
out CF193 "Automatic headlight function".
SPECIFICATIONSPRESENT
ABSENT
Check that fuses F13 (30A) and F15 (5 A) are sound and correctly fitted in the passenger compartment fuse and
relay box (component code 1016).
Replace the fuse(s) if necessary.
Check the condition and connection of the monolever connector (component code 209) and the UCH 40-track
connector PE2 (component code 645) (tabs bent, broken or oxidised).
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.
AFTER REPAIRRepeat the conformity check from the start.
Carry out fault finding on the system.
UCH_V44_ET083 / UCH_V44_ET084

87B-115
MR-413-X44-87B000$576.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
ET083
ET084
CONTINUED
Checking the monolever (component code 209):
Check the insulation, continuity and the absence of interference resistance on the following connections:
Direction indicators:
With automatic headlighting:
●Connection code 64T (left-hand indicators) between components 209 and 645.
●Connection code 64S (right-hand indicators) between components 209 and 645.
●Connection code BPA2 between components 1016 and 209.
●Connection code BPA3 between components 1016 and 209.
●Connection code MAN or MAM between component 209 and earth MAN or 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.
If the feeds, earth and connections are correct, replace the monolever (component code 209). (See MR 411
Mechanical systems 84A, Controls - Signals, Lighting and signals switch:
Removal - Refitting)
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-118
MR-413-X44-87B000$624.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
ET087
ONE-TOUCH WINDOW CONTROL/SUNROOF AUTHORISATION.
NOTESThere must be no present or stored faults.
Check the following configuration:
–Check that LC070 One-touch windows/SR* is With. Otherwise, perform CF173
One-touch windows/SR.
Authorisation by the UCH of the one-touch window winder and/or sunroof motor
function is present under the following conditions:
–+ ACCESSORIES FEED,
–+ AFTER IGNITION FEED,
–when the engine is running.
SPECIFICATIONSPRESENT
ABSENT
Check the condition and connection of the PE2 24-track UCH connector, (component code 645) (tabs bent,
broken, oxidised).
Check the condition and connection of the driver's electric window motor 6-track connector (component 203)
(tabs bent, broken, oxidised).
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.
If there is an electric sunroof, check that fuse F26 (20 A) is sound and correctly fitted in the passenger
compartment fuse and relay box (component code 1016).
Check the condition and connection of the connectors for component 1512.
With an electric sunroof, check the condition and connection of 4-track connector 339 in the A-pillar and the
sunroof computer 12-track connector (tabs bent, broken, oxidised).
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.
AFTER REPAIRRepeat the conformity check from the start.
Carry out fault finding on the system.
UCH_V44_ET087

87B-119
MR-413-X44-87B000$624.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
ET087
CONTINUED
Check the insulation, continuity and the absence of interference resistance on the following connections:
●Connection code SPB3 between components 203 and 1016.
●Connection code BPT3 between components 203 and 645.
●Connection code 21E between components 1512 and 203.
●Connection code 21C between components 1512 and 203.
●Connection code 22D between components 1512 and 133.
●Connection code 22C between components 1512 and 133.
●Connection code MAM between component 1512 and earth MAM.
●Connection code MAM between component 203 and earth MAM.
For vehicles fitted with a sunroof:
●Connection code 21K, between components 1579 and 645.
●Connection code MAM between component 1579 and earth MAM.
●Connection code BP93 between component 1579 and earth 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 fault is still present, contact the Techline.
AFTER REPAIRRepeat the conformity check from the start.
Carry out fault finding on the system.

87B -120
MR-413-X44-87B000$624.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
Windscreen wiper fault:
Check the presence and condition of fuse F2 (15 A) on the passenger compartment fuse and relay box (component
code 1016).
Replace the fuse if necessary.ET096
WIPER STALK INTERMITTENT SPEED RING POSITION
NOTESThere must be no present or stored faults.
Check the following configurations:
–Check that LC094 Wiper intermittent speed ring displays With. If not, run
CF191 Wiper intermittent speed ring.
–Check that LC096 Automatic wiper function displays With. If not, run CF194
Automatic wiper function.
–Check that LC095 Automatic headlight function displays "With". If not, run
CF193 Automatic headlight function.
SPECIFICATIONSINACTIVE
1
2
3
4
5
Check the condition and connection of the 3-track windscreen wiper motor connector (component code 212)
(tabs bent, broken, oxidised).
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 REPAIRRepeat the conformity check from the start.
Carry out fault finding on the system.
UCH_V44_ET096