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

87B-7
MR-413-X44-87B000$096.mif
V5
87B
ENGINE HARNESS
FRONT ENGINE WIRING & ADDITIONAL HEADLIGHTS
DOOR WIRING
CEILING WIRING
PASSENGER COMPARTMENT WIRING
REAR BUMPER WIRING
TAILGATE WIRING
1UCH
2Passenger Compartment Relay/Fuse Box
3Electric power-assisted steering.
4Transponder ring.
5Air conditioning panel.
6One touch window/anti-pinch module.
7Exterior temperature sensor.
8Rain/light sensor & interior temperature sensor.
9Anti-pinch/sunroof.
2ABS computer.
2Injection computer.
3Preheating unit.
4Sequential gearbox computer.
5Engine fuse and relay box.
6Alternator.
7
2
61
2
3
5
4
8
5
7
43
1
6
9
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding
- List and location of components
MR-413-X44-87B000$096.mif
UCH
Vdiag No.: 44

87B-12
MR-413-X44-87B000$192.mif
V5
UCH
Vdiag No.: 44PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Role of components87B
CONTINUED (Functions managed by the different UCH ranges on the New Twingo):
L1
Entry levelL2
Mid-rangeL3
Top of the
range
Lighting
Exterior lighting
Side, dipped beam, headlightsX
Direction indicators and hazard warning lightsXX X
One-touch front fog lightsX
One-touch rear fog lightsX
Lights on warning lightXX X
Hazard warning lights when decelerating hardXX X
Illumination of hazard warning lights when airbag triggeredXX X
Illumination of indicators when locking/unlockingXX
Automatic lighting when driving and stationaryX
Delayed extinction of headlights when stationary X
Daytime running lights onX
Lights switch off when driver's door openedX
Interior lighting
Interior lights supply (no gradual dimming function)X
Interior lights supply (gradual dimming)XX
Wipers
Windscreen wipers managementXX X
Automatic management of front wipers with rain sensorX
Rear wipersXX X
Windscreen and rear screen washersXX X
Energy management
Starter managementXX X
Controlled alternator (BSS connection)XX X

87B-13
MR-413-X44-87B000$240.mif
V5
87B
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Replacement of components
When replacing the UCH (see MR 411, Mechanical systems, 87B, Passenger compartment connection unit).
If replacing the computer, carry out the programming and configuration operations described (see configurations
and programming).
The order of programming and configuration operations is as follows:
1 - Write the VIN, using command VP004 Write VIN.
2 - Program the UCH using command SC004 UCH programming.
3 - Configuration of the UCH (in the Configuration and programming menu) using the following commands:
CF031 Calibration,
CF019 Type of heating and air conditioning system,
CF028 Engine type,
CF171 Temperature display,
CF029 External temperature sensor,
CF173 One-touch windows/sunroof (SR)*.
CF032 See-me-home lighting,
CF021 Front fog lights,
CF014 Daytime running lights
CF193 Automatic headlight function,
CF194 Automatic wiping function,
CF035 Rain/light sensor,
CF191 Wiper intermittent speed ring,
CF024 Hazard warning lights activated by ABS,
CF108 Locking via the RAID,
CF009 Deadlocking,
CF192 Central door locking,
CF195 Type of key,
CF229 Alarm.
4 - Key allocation, using command SC015 Key allocation.
5 - Configuration of the multiplex network is used to define (in the UCH) the different computers present and which
support fault finding on the multiplex network.
* TO: Sunroof.
MR-413-X44-87B000$240.mif

UCH
Vdiag No.: 44

87B-22
MR-413-X44-87B000$288.mif
V5
UCH
Vdiag No.: 44PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Configurations and programming87B
UCH CONFIGURATIONS
List of individual configurations available on the diagnostic tool with the associated configuration reading.
* SR: Sunroof.
*RF: radio frequencyConfigurationConfiguration
readingName of configuration Choice of configuration
CF031 "Calibration",To be performed if replacing
the UCH.
CF019 LC013"Type of heating and air conditioning
system",HEATING/MANUAL/
AUTOMATIC
CF028 LC023 "Engine type",Configuration. 1 (K9K)
Configuration. 2 (D7F/D4F
without air conditioning)
Configuration. 3 (other engine)
CF171 LC067 "Temperature display"WITH/WITHOUT
CF029 LC002 "Exterior temperature sensor",WITH/WITHOUT
CF173 LC070 "One-touch windows/SR*",WITH/WITHOUT
CF032 LC025 "See-me-home lighting",WITH/WITHOUT
CF021 LC015 "Front fog lights"WITH/WITHOUT
CF014 LC008 "Daytime running lights",WITH/WITHOUT
CF193 LC095 "Automatic headlighting function",WITH/WITHOUT
CF194 LC096 "Automatic wiping function",WITH/WITHOUT
CF035 LC044 "Rain/light sensor", PRESENT/ABSENT
CF191 LC094 "Wiper intermittent speed ring",WITH/WITHOUT
CF024 LC018"Hazard warning lights switched on by
ABS",WITH/WITHOUT
CF108 LC040 "Automatic locking when driving",WITH/WITHOUT
CF009 LC003 "Deadlocking",WITH/WITHOUT
CF192 LC093 "Central door locking",WITH/WITHOUT
CF195 LC097 "Type of key". STANDARD/RF*
CF229 LC126 "Alarm".WITH/WITHOUT

87B-24
MR-413-X44-87B000$336.mif
V5
87B
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault summary table
Summary of sensors and actuators on which the UCH can carry out fault finding (with the corresponding
engineering office codes).
Tool fault Associated DTC Diagnostic tool title
DF0019510 UCH
DF0119522 Rain/light sensor circuit
DF01295D1 Right-hand direction indicator circuit
DF01395D0 Left-hand direction indicator circuit
DF0279550 External temperature sensor circuit
DF04095A0 Rear screen wiper park position
DF0419560 Heated rear screen warning light circuit
DF0429558 Air conditioning warning light circuit
DF0549501 Computer
DF0629580 Starter relay control circuit
DF06595F0 Electric window authorisation connection
DF0829570 Door locking button indicator light circuit
DF08795C2 Side lights relay control circuit
DF08895C3 Dipped beam headlights relay control circuit
DF09795 A1 Windscreen wiper park position control
DF09895C4 Main beam headlight relay control circuit
DF10895C5 Front fog lights control circuit
DF10995C6 Rear fog lights control circuit
DF1339574 Deadlocking motor(s) circuit
DF13495D2 Hazard warning lights indicator light circuit
DF1359520 Rain detector
DF1369521 Light sensor
DF13796B1 UCH - Alternator connection
DF13896B2 Alternator
DF1399660 Interior lights
DF14096B3 Voltage regulator
DF21295B0 Alarm circuit
MR-413-X44-87B000$336.mif
UCH
Vdiag No.: 44

87B-26
MR-413-X44-87B000$384.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of faults
UCH
Vdiag No.: 44
87B
DF011
PRESENT
OR
STOREDRAIN/LIGHT SENSOR CIRCUIT
1.DEF : Open circuit or short circuit
NOTESConditions for applying the fault finding procedure to stored faults:
Switch on the ignition, activate automatic headlighting by quickly performing the
following manipulation twice: control stalk (component code 209) on zero position →
control stalk (component code 209) in Side light position.
Status ET114 “Wiper request by rain sensor” should be “Low speed” or “High
speed” when the water runs over the rain/light sensor on the windscreen or
status ET115 “Request for lights to be switched on by light sensor” should be
“Present” by placing an opaque cover over the rain/light sensor.
Note:
If there is an open circuit on connection BPT, there is a malfunction on the
electric windows, rain/light sensor, interior light(s) and luggage compartment
light.
Check that the vehicle has a rain/light sensor (component code 1415).
Check that the function is not deactivated, quickly perform the following cycle twice to activate the automatic
headlighting function: Monolever (component code 209) OFF → Monolever (component code 209) in Side light
ON position.
Check that the vehicle has a rain/light sensor (component code 1415).
Check that LC044 "Rain/light sensor" displays "Present". If not, carry out CF035 "Rain/light sensor".
Check that LC096 "Automatic wiper function" displays "With". If not, carry out CF194 "Automatic wiper
function".
Check that LC095 "Automatic headlight function", displays "With". If not, carry out CF193 "Automatic
headlight function".
Check the condition and the positioning of fuses F2 (15A), F8 (15A), F19 (5A), F27 (5 A) depending on the
equipment and F29 (15A) on the passenger compartment fuse and relay box (component code 1016).
Replace the fuse(s) or repair 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 for + after ignition feed on connection AP43 of component 645.
Check for + accessories feed on connection SP2 (for vehicles fitted with a manual gearbox) or SP15
(for vehicles fitted with a sequential gearbox) of component 645.
Check for earth on connection NAM of component 645. Check the earth on connection MAM of component 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.
AFTER REPAIRCarry out another fault finding check on the system.
Clear the stored faults.
Deal with any other faults.
UCH_V44_DF011

87B-27
MR-413-X44-87B000$384.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of faults
UCH
Vdiag No.: 44
87B
Rain/light sensor check:DF011
CONTINUED
Check the continuity and insulation of the following connections:
●Connection code AP43,
●Connection code SP2,
●Connection code SP15.
Between components 645 and 1016.
●Connection code MAN or MAM between component 645 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 connections are correct, check the rain/light sensor (component code 1415).
Check the condition and connection of the 3-track rain/light sensor connector (component code 1415) (tabs
bent, broken or oxidised).
Check for + 12 V on connection BPT of component 1415.
Check for earth on connection MAM of component 1415.
Check the continuity and insulation of the following connections:
●Connection code BPT between components 645 and 1415.
●Connection code 14S between components 645 and 1415.
●Connection code MAM between components 1415 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.
Check that the sensor is not dirty.
Check that the sensor is correctly bonded to the windscreen. (see MR 411 85A, Wipers - Washers, Rain and
light detector: Removal - Refitting)
If the fault is still present, replace the rain/light sensor (component code 1415).
If the fault is still present, contact the Techline.
AFTER REPAIRCarry out another fault finding check on the system.
Clear the stored faults.
Deal with any other faults.

87B-32
MR-413-X44-87B000$384.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of faults
UCH
Vdiag No.: 44
87B
DF027
PRESENT
OR
STOREDEXTERNAL TEMPERATURE SENSOR CIRCUIT
1. DEF : Abnormal voltage
CC.0 : Short circuit to earth
C0.1 : Open circuit or short circuit to + 12 V
NOTESConditions for applying the fault finding procedure to stored faults:
The fault is declared present after the ignition is switched off and back on.
Note:
If the exterior temperature sensor is disconnected or the vehicle is not equipped with
an exterior temperature sensor, the temperature displayed is the default temperature
of 215 ˚C.
Check whether the right-hand door mirror is fitted with an exterior temperature sensor. (See MR 411 mechanical
systems 62A, Air conditioning, Air conditioning: List and location of components).
If the vehicle is fitted with an exterior temperature sensor, deal with the following fault finding procedure.
If NO, the vehicle is not fitted with this:
Check that the vehicle is configured without external temperature sensor (component code 240 for left-hand
drive vehicles) or (component code 239 for right-hand drive vehicles):
Check that LC002 "External temperature sensor" is "WITHOUT". Otherwise perform CF029 "External
temperature sensor".
Check the temperature sensor 2-track connector (bent, oxidised, broken tabs).
Check the PE2 40-track connector of the UCH, component code 645 (tabs bent, oxidised, broken).
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 the insulation, continuity and the absence of interference resistance on the following connections:
●Connection code 47D between components 240 (for left-hand drive vehicles) or 239 (for right-hand drive
vehicles) and 645.
●Connection code 47C between components 240 (for left-hand drive vehicles) or 239 (for right-hand drive
vehicles) 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.
Measure the resistance of the sensor (connector disconnected) on connections 47C and 47D.
Temperature (˚C)
0
5
10
15
20
25
30
35Sensor resistance (Ω) ± 50 Ω
5980
5020
4280
3530
2900
2300
2010
1620
Replace the sensor if not correct (see MR 411 Mechanical systems 62A, Air conditioning, Exterior air
temperature sensor: Removal - Refitting).
If there is a fault, contact Techline.
AFTER REPAIRCarry out another fault finding check on the system.
Clear the stored faults.
Deal with any other faults.
UCH_V44_DF027

87B-42
MR-413-X44-87B000$384.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of faults
UCH
Vdiag No.: 44
87B
With automatic headlighting:DF087
PRESENT
OR
STORED
SIDE LIGHTS RELAY CONTROL CIRCUIT
CC.1 : Short circuit to + 12 volts
CC.0 : Open circuit or short circuit to earth
NOTESConditions for applying the fault finding procedure to stored faults:
The fault reappears after:
The ignition is switched on and the side lights are activated.
OR
Running AC055 Side lights
Note:
This fault only appears on vehicles fitted with automatic headlighting.
Check for the rain/light sensor (component code 1415) then use the diagnostic tool
to check:
–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".
–Check that LC096 "Automatic wiper function" displays "With". If not, carry out
CF194 "Automatic headlight function".
Check that fuses F14 (20 A), F15 (5 A), F25 (5 A), F39 (10 A), F40 (5 A), F42 (10 A) and F43 (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 presence and condition of the side light relays (component code 289) (20A) and 1034 (20A).
Replace the side light relay (component code 289) if necessary.
Check the condition and connection of the light concerned (bent, oxidised, broken tabs).
Check the condition and connection of the 40-track connectors PE1 and PE2 of the UCH (component code 645)
(tabs broken, bent or oxidised).
Check the condition and connection of the horn and lights switch connector (component code 209) (tabs bent,
oxidised, broken).
Check for the + 12 V (when requesting the side lights) on connection LPD of component 184 and on
connection LPG of component 185. Check for the earth on connection MAR of component 184 and on
connection MAS of component 185.
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 REPAIRCarry out another fault finding check on the system.
Clear the stored faults.
Deal with any other faults.
UCH_V44_DF087

87B-45
MR-413-X44-87B000$384.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of faults
UCH
Vdiag No.: 44
87B
With automatic headlighting:DF088
PRESENT
OR
STORED
DIPPED BEAM HEADLIGHTS RELAY CONTROL CIRCUIT
CC.1 : Short circuit to + 12 volts
CC.0 : Open circuit or short circuit to earth
NOTESConditions for applying the fault finding procedure to stored faults:
The fault reappears after:
The ignition is switched on and the side lights are activated.
OR
Running AC054 Dipped headlights
Note:
This fault only appears on vehicles fitted with automatic headlighting.
Check for the rain/light sensor (component code 1415) then:
–Check that the vehicle has a rain/light sensor (component code 1415).
–Check that LC044 "Rain/light sensor" displays "Present". If not, carry out
CF035 "Rain/light sensor".
–Check that LC096 "Automatic wiper function" displays "With". If not, carry out
CF194 "Automatic wiper function".
–Check that LC095 "Automatic headlight function", displays "With". If not, carry
out CF193 "Automatic headlight function".
Check that fuses F13 (30A), F15 (5A), F25 (5 A), F34 (15 A) and F35 (15 A) are sound and correctly fitted in the
passenger compartment fuse and relay box (component code 1016).
Replace the fuse if necessary.
Check the presence and condition of the dipped headlights relay (component code 281) (20A).
Replace the dipped headlights relay (component code 281) 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 40-track connector PE2 (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).
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.
Clear the stored faults.
Deal with any other faults.
UCH_V44_DF088