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

87B -121
MR-413-X44-87B000$624.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
ET096
CONTINUED
Check the condition and connection of the PE1 40-track UCH connector, (component code 645) (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.
Check the insulation, continuity and the absence of interference resistance on the following connections:
Check the combined wiper-washer:
●Connection code AP71 between components 145 and 1016.
●Connection code 14E (windscreen wiper timed control) between components 645 and 145.
●Connection code 14G (low speed windscreen wiper control) between components 645 and 145.
●Connection code 14H (high speed windscreen wiper control) between components 645 and 145.
●Connection code 36E (rear screen wiper timed control) between components 645 and 145.
●Connection code MAN or MAM between component 145 and the earth MAN (left-hand drive) or MAM
(right-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 fault is still present, replace the wiper stalk (component code 145).
(see MR 411, Mechanical, 85A, Washing - Wiping, Windscreen wiper blade: Removal - Refitting).
AFTER REPAIRRepeat the conformity check from the start.
Carry out fault finding on the system.

87B -122
MR-413-X44-87B000$624.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
ET097
REAR SCREEN WIPER PARK POSITION
NOTESThere must be no present or stored faults.
SPECIFICATIONSYES
NO
Check the presence and condition of fuse F36 (15 A) on 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 211) (tabs
bent, broken, oxidised).
Activate the rear screen wiper with the switch stalk (component code 209) or with AC007 "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.
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 condition and connection of the PE1 40-track UCH connector, (component code 645) (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_ET097

87B -123
MR-413-X44-87B000$624.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
ET097
CONTINUED
Check the insulation, continuity and the absence of interference resistance on the following connections:
Combined wiper-washer check:
●Connection code AP71 between components 1016 and 145.
●Connection code 36E (rear screen wiper timed control) between components 645 and 145.
●Connection code MAN or MAM between component 145 and the earth MAN (left-hand drive) or MAM
(right-hand drive).
Rear screen wiper motor check:
●Connection code 36C between components 211 and 645.
●Connection code 36A between components 211 and 1016.
●Connection code MYH between component 211 and earth MYH.
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 the fitting and supply of the rear screen wiper motor, (component code 211).
Repair if necessary or replace the motor if it is faulty.
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 -124
MR-413-X44-87B000$624.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
ET109
REVERSE GEAR ENGAGED
NOTESThere must be no present or stored faults.
Check the presence and condition of fuse F6 (15 A) on the passenger compartment fuse and relay box
(component code 1016).
Replace the fuse if necessary.
Check the condition and connection of the 2-track connector on the switch connector (component code 155) of
the reversing lights (component code 155) (tabs bent, broken, oxidised).
Check the condition and connection of the PE1 40-track UCH connector, (component code 645) (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.
Check for + 12 V on connection AP3 of the reversing lights switch connector.
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.
With the switch pressed, check the continuity between connections AP3 and H66P of component 155.
With the switch released, check the insulation between connections AP3 and H66P of component 155.
If these checks are not correct, replace the reverse gear switch (component code 155) if necessary.
If these checks are correct, check the insulation, continuity and the absence of interference resistance on
the following connections:
●Connection code AP3 between components 155 and 1016.
●Connection code HP66P between components 155 and 172.
●Connection code HP66P between components 155 and 173.
●Connection code HP66P between components 1222 and 155.
●Connection code HP66P between components 645 and 155.
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 or 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_ET109

87B -125
MR-413-X44-87B000$624.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
With automatic headlighting:ET111
FRONT FOG LIGHTS REQUEST
NOTESThere must be no present or stored faults.
Check that the LC015 Front fog lights is definitely With. Otherwise, use command
CF021 Front fog lights.
Note:
The signal can only be interpreted if the function is managed by the UCH (component
code 645) (vehicle equipped with one-touch fog light control).
SPECIFICATIONSPRESENT
ABSENT
Use AC008 Front fog lights to check that the front fog lights operate correctly.
Check the presence and condition of fuses F15 (5 A), F20 (15 A), F25 (5 A), in 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 front fog light concerned (bent, oxidised, broken tabs).
Check the condition and connection of the PE2 connector of the UCH, (component code 645) (tabs bent,
oxidised, broken).
Check the condition and connection of the control stalk 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.
Check for + 12 V (when there is a rear fog lights request) on connection 8B of components 176 and 177. Check
for earth on connection MAR of component 176 and connection MAS of component 177.
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_ET111

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 -128
MR-413-X44-87B000$624.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
ET114
ET115
WIPER REQUEST BY RAIN SENSOR
LIGHT ACTIVATION REQUEST BY LIGHT SENSOR
NOTESThere must be no present or stored faults.
Make sure that the vehicle is fitted with the rain and light sensor.
The status should change to LOW SPEED or HIGH SPEED if there is water on the
windscreen where the sensor is positioned.
The status should change to PRESENT when the light intensity requires the lights to
be switched on with the engine running.
Make sure that the other positions of the wiper control are working properly
Check the following configurations:
–Check that LC008 Daytime running lights is "With". Otherwise run CF014
Daytime running lights.
–Check that LC044 Rain/light sensor displays "Present". If not, run CF035 Rain/
light sensor.
–Check that LC095 Automatic headlight function displays "With". If not, run
CF193 Automatic headlight function.
–Check that LC096 Automatic wiper function displays With. If not, run CF194
Automatic wiper function.
SPECIFICATIONSET114: ABSENT/LOW SPEED/HIGH SPEED
ET115: PRESENT/ABSENT
Conditions:
Check that the switch stalk (component code 209) is in the intermittent position so that automatic operation can
be activated.
Check that the vehicle has a rain/light sensor (component code 1415).
Check that the function is not deactivated, perform the following cycle twice to activate the automatic headlight
function: Switch stalk (component code 209) OFF → Σωιτχη σταλκ (χοµπονεντ χοδε 209) to side lights ON
position.
Check the condition and connection of the 3-track connector of the rain/light sensor (component 1415) (tabs
bent, broken or 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.
Check for + 12 V on connection BPT of component 1415.
Check for earth on connection MAM of component 1415.
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_ET114 / UCH_V44_ET115

87B -129
MR-413-X44-87B000$624.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
ET114
ET115
CONTINUED
Check the continuity and insulation of the following connections:
●Connection code BPT between components 645 and 1415.
●Connection code MAM between component 1415 and earth.
●Connection code 14S between components 645 and 1415.
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 rain/light sensor (component code 1415) is correctly positioned and bonded (see MR411,
Mechanical systems, 85A Wiping - Washing, Rain and light sensor: Removal - Refitting).
If the fault is still present, replace the rain/light sensor (component code 1415). (See MR 411 Mechanical
85A, Wiping - Washing, Rain and light sensor: 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 -130
MR-413-X44-87B000$624.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
ET142
ENGINE OPERATING PHASE
NOTESThere must be no present or stored faults.
SPECIFICATIONSSTOPPED
STARTING
RUNNING
STALLED
Run a multiplex network test (see 88B, Multiplexing).
Carry out fault finding on the injection system (see 13B, Diesel injection or 17B, Petrol injection).
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_ET142