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

87B-74
MR-413-X44-87B000$480.mif
V5
UCH
Vdiag No.: 44PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Conformity check87B
FUNCTION: AIR CONDITIONING
SUB-FUNCTION: USER SELECTION
* CPE: Electric central door locking.
NOTESOnly carry out this conformity check after a complete check with the diagnostic tool
(fault reading and configuration checks).
Application condition: engine stopped, + after ignition feed present.
FunctionParameter or Status
Checked or ActionDisplay and
NotesFault finding
User selectionET028:Heated rear screen
buttonDEPRESSED
RELEASEDIn the event of a fault, refer to
the interpretation of status
ET028.
ET029:Air conditioning
buttonDEPRESSED
RELEASEDIn the event of a fault, refer to
the interpretation of status
ET029.
ET015:Passenger
compartment blowerRUNNING
STOPPEDIn the event of a fault, refer to
the interpretation of status
ET015.
AC015:Air conditioning
button indicator lightThis command is used to test
the operation of the air
conditioning button indicator
light.In the event of a fault, refer to
the interpretation of DF042.
AC019:Heated rear screen
indicator lightThis command is for testing
operation of the heated rear
screen indicator light.In the event of a fault, refer to
the interpretation of DF041.
AC020:CPE* button
indicator lightThis command is used to
operate the electric central
locking button.In the event of a fault, refer to
the interpretation of DF082.
AC052:Hazard warning
lights indicator lightThis command is used to
activate the hazard warning
lights.In the event of a fault, refer to
the interpretation of DF134.

87B-77
MR-413-X44-87B000$480.mif
V5
UCH
Vdiag No.: 44PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Conformity check87B
LIGHTING FUNCTION
SUB-FUNCTION: LIGHTING CONTROL
NOTESOnly carry out this conformity check after a complete check with the diagnostic tool
(fault reading and configuration checks).
Application condition: engine stopped, + after ignition feed present.
FunctionParameter or Status
Checked or ActionDisplay and notes Fault finding
Lighting controlET081:Lighting switch
positionSIDE
DIPPED
MAIN BEAM
HEADLIGHTS
HAZARD LIGHTSIn the event of a fault, refer to the
interpretation for status ET081.
ET085:Hazard warning
lights buttonDEPRESSED
RELEASEDIn the event of a fault, refer to the
interpretation for status ET085.
Lighting requestET115:Request to switch on
lights by light sensorPRESENT
ABSENTIn the event of a fault, refer to the
interpretation for status ET115.
ET111:Front fog lights
requestPRESENT
ABSENTIn the event of a fault, refer to the
interpretation for status ET111.
ET082:Rear fog lights
requestPRESENT
ABSENTIn the event of a fault, refer to the
interpretation for status ET082.
ET083:Left-hand indicator
requestPRESENT
ABSENTIn the event of a fault, refer to the
interpretation of statuses
ET083 and ET084.
ET084:Right-hand indicator
requestPRESENT
ABSENT
TailgateET463:Door(s) or tailgateOPEN
CLOSEDIn the event of a fault, consult the
interpretation of status ET463.
Vehicle speedPR008:Vehicle speed0 mphIn the event of a fault, run fault
finding on the ABS system (see
38C, Anti-lock braking system).

87B-78
MR-413-X44-87B000$480.mif
V5
UCH
Vdiag No.: 44PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Conformity check87B
SUB-FUNCTION: LIGHTING OUTPUT
NOTESOnly carry out this conformity check after a complete check with the diagnostic tool
(fault reading and configuration checks).
Application condition: engine stopped, + after ignition feed present.
FunctionParameter or Status
Checked or ActionDisplay and notes Fault finding
Front fog lightsAC008:Front fog lightsThis command is used to
activate the front fog
light.In the event of a fault, apply the
interpretation of DF108.
Rear fog lightsAC009:Rear fog lightsThis command is used to
activate the rear fog light.In the event of a fault, apply the
interpretation of DF109.
Direction indicatorsAC022:Left-hand
direction
indicatorsThis command is used to
activate the left-hand
direction indicators.In the event of a fault, refer to the
interpretation for fault DF013
Left-hand direction indicator
circuit.
AC023:Right-hand
direction
indicatorsThis command is used to
activate the right-hand
direction indicators.In the event of a fault, refer to the
interpretation for fault DF012
Right-hand direction indicator
circuit.
LightsAC055:Side lightsThis command enables the
side lights to be activated.In the event of a fault, apply the
interpretation of DF087.
AC054:Dipped
headlightsThis command enables the
dipped beam headlights to
be activated.In the event of a fault, apply the
interpretation of DF088.

87B-79
MR-413-X44-87B000$480.mif
V5
UCH
Vdiag No.: 44PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Conformity check87B
SUB-FUNCTION: LIGHTING OUTPUT (CONTINUED)
NOTESOnly carry out this conformity check after a complete check with the diagnostic tool
(fault reading and configuration checks).
Application condition: engine stopped, + after ignition feed present.
FunctionParameter or Status
Checked or ActionDisplay and
NotesFault finding
Lights (continued)AC062:Main beam
headlightsThis command enables the
headlights to be activated.In the event of a fault, apply the
interpretation of DF098.
AC063:Progressive
switching on and off
of the courtesy lightThis command is used to
check that the gradual
courtesy light activation and
deactivation function is
operating correctly.In the event of a fault, apply the
interpretation of DF139.
Temperature
displayAC110:Temperature display Controls the display.In the event of a fault, apply the
interpretation of command
AC110.

87B-84
MR-413-X44-87B000$528.mif
V5
87B
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Status summary table
*CPE: Electric central door locking
*RF: radio frequencyTool status Diagnostic tool title
ET008Blank UCH
ET015Passenger compartment blower
ET027Windscreen wiper park position
ET028Heated rear screen button
ET029Air conditioning button
ET030Air conditioning request 2
ET044CPE* button
ET045RF* signal. received
ET046Engine immobiliser
ET047Brake pedal position
ET061Open tailgate request
ET077Wiper stalk position
ET078Windscreen washer request
ET079Rear screen washer request
ET080Rear screen wiper request
ET081Lighting switch position
ET082Rear fog lights request
ET083Left-hand indicator request
MR-413-X44-87B000$528.mif
UCH
Vdiag No.: 44

87B-85
MR-413-X44-87B000$528.mif
V5
UCH
Vdiag No.: 44PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Status summary table87B
*SR: Sunroof.
*RF: radio frequencyTool status Diagnostic tool title
ET084Right-hand indicator request
ET085Hazard warning lights button
ET087One-touch window/SR* authorisation
ET096Wiper intermittent speed ring position
ET097Rear screen wiper park position
ET109Reverse gear engaged
ET111Front fog lights request
ET114Wiping request via rain sensor
ET115Request to switch on lights by light sensor
ET142Engine operating phase
ET181Key allocated to the vehicle
ET185Key code received
ET186Short press on door closing button
ET189Long press on door opening button
ET193RF* signal from a key allocated to the vehicle
ET229Injection immobiliser code
ET239Ignition switch position
ET240Key frequency (in Hz)
ET250Injection
ET463Door(s) or tailgate

87B-91
MR-413-X44-87B000$576.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
ET028
HEATED REAR SCREEN BUTTON
NOTESNo faults should be present or stored.
Apply this status for vehicles fitted with manual air conditioning or heating.
SPECIFICATIONSPRESSED
RELEASED
Check the operation of the heated rear screen button indicator light using AC019 Heated rear screen indicator
light. Check the operation of the rear de-icer using AC060 Rear screen de-icer.
Check that fuses F29 (15A) and F42 (10 A) are sound and correctly fitted in the passenger compartment fuse and
relay box (component code 260).
Replace the fuse(s) if necessary.
Check the air conditioning control panel black 9-track connector, (component code 319) (bent, oxidised or
broken tabs).
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 the continuity of the earth NAM connection between component NAM and the 9-track black connector of
the manual air conditioning control panel (component code 319).
Check for + 12 V on connection LPD of the manual air conditioning control panel black 9-track connector
(component code 319).
Check for + 12 V accessories feed on connection SP2 of the manual air conditioning control panel black 9-track
connector.
Check the PE1 40-track connector of the UCH, component code 645 (tabs bent, oxidised, broken).
AFTER REPAIRRepeat the conformity check from the start.
Carry out fault finding on the system.
UCH_V44_ET028

87B-93
MR-413-X44-87B000$576.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
ET029
AIR CONDITIONING BUTTON
NOTESNo faults should be present or stored.
Apply this status for vehicles with manual climate control or heating.
SPECIFICATIONSPRESSED
RELEASED
Check the configuration of the heating and air conditioning type of the vehicle:
–Check that LC013 "Air conditioning type" is "Heating" or "Manual" or "Automatic" according to the
equipment level. Otherwise carry out CF019 Air conditioning type.
Check the operation of the air conditioning button indicator light AC015 “Air conditioning button indicator
light”.
Check that fuses F29 (15A) and F42 (10 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 air conditioning control panel black 9-track connector, (component code 319) (bent, oxidised or
broken tabs).
Check that the earth on connection NAM of the manual air conditioning control panel black 9-track connector is
in perfect condition.
Check for + 12 V accessories feed on connections LPD and SP2 of the manual air conditioning control panel
black 9-track connector.
Check the PE2 40-track 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.
AFTER REPAIRRepeat the conformity check from the start.
Carry out fault finding on the system.
UCH_V44_ET029

87B-95
MR-413-X44-87B000$576.mif
V5
UCH
Vdiag No.: 44PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
ET030
AIR CONDITIONING REQUEST 2
NOTESNo faults should be present or stored.
Apply the checks if:
–the status remains PRESENT when a climate control request had been made, with
the engine running.
SPECIFICATIONSABSENT
PRESENT
This is the request for air conditioning sent by the UCH to the engine management computer.
This request may reach the UCH in two ways:
–In the case of a vehicle fitted with manual air conditioning, by pressing on the air conditioning button.
–In the case of a vehicle fitted with climate control, by request from the user or the climate control computer in
automatic mode.
MANUAL AIR
CONDITIONING
Check that status ET142 Engine operating phase is RUNNING; otherwise, carry out
fault finding on the injection.
Check that status ET029 Air conditioning button is PRESSED (button indicator light
lit), otherwise perform fault finding on this status.
Check that status ET015 Passenger compartment blower is RUNNING; otherwise,
carry out fault finding on this status.
If the fault is still present, contact Techline.
If ET030 Air conditioning request 2 is Absent, check that there are no faults in the
UCH and injection system (see 13B, Diesel injection) or (see 17B, Petrol injection).
CLIMATE
CONTROLCarry out fault finding on the climate control computer (see 62B, regulated climate
control).
If the fault is still present, contact Techline.
AFTER REPAIRRepeat the conformity check from the start.
Carry out fault finding on the system.
UCH_V44_ET030

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