2009 RENAULT TWINGO wiring

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-94
MR-413-X44-87B000$576.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
ET029
CONTINUED
Check the insulation, continuity and the absence of interference resistance on the following connections:
●Connection code 38ES between components 319 and 645.
●Connection code 38LP between components 319 and 645.
●Connection code LPD and SP2 between components 319 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 fault is still present, replace the air conditioning button. (See MR 411 mechanical systems 62C, Manual air
conditioning, Control panel: 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-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

87B-97
MR-413-X44-87B000$576.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
ET044
CONTINUED
Check the insulation, continuity and the absence of interference resistance on the following connections and
press the central door locking button to check the signal status on the following connections using the
oscilloscope (see signal status in test1 “Central door locking”):
●Connection code 64F between components 645 and 1391.
●Connection code 64Q between components 645 and 1391.
●Connection code 20M between components 1391 and 645.
●Connection code 20AW between components 1391 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.
On component 1391, with the lock button pressed, check the continuity between connections 20AW and MAN.
On component 1391, with the lock button released, check the insulation between connections 20AW and MAN.
If the fault is still present, replace the central door locking/hazard warning lights switch (component code 1391).
(See MR 411 84A, Controls - Signals, Hazard warning lights and central door locking:
Removal - Refitting).
AFTER REPAIRRepeat the conformity check from the start.
Carry out fault finding on the system.

87B -100
MR-413-X44-87B000$576.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
ET047
BRAKE PEDAL POSITION
NOTESNo faults should be present or stored.
SPECIFICATIONSPRESSED
RELEASED
Check the presence and condition of fuse F5 (15 A) in the passenger compartment fuse and relay box
(component code 1016).
Replace the fuse if necessary.
Check the condition and connection of the brake pedal switch 4-track connector (component code 160).
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.
On component 160, with the brake pedal depressed, check the continuity between connections AP10 and 5A
and the insulation of connections AP10 and 65A.
On component 160, with the brake pedal released, check the continuity between connections AP10 and 65A
and the insulation between connections AP10 and 5A.
Replace the switch if faulty. (See MR 411 mechanical systems 37A, Mechanical component controls, Brake
light switch: Removal - Refitting).
Check the condition and connection of connector PE1 of the UCH (component code 645) (tabs bent, oxidised,
broken).
Check for + 12 V (+ battery feed) on connection AP10 of the brake switch connector (component code 160).
If it is not correct, check the insulation, continuity and the absence of interference resistance of connection
AP10 between components 160 and 1016.
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_ET047

87B -101
MR-413-X44-87B000$576.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
ET047
CONTINUED
Check the insulation, continuity and the absence of interference resistance on the following connections:
●Connection code 5A between components 160 and 120.
●Connection code 65A between components 160 and 645.
●Connection code 65A between components 160 and 119.
●Connection code 65A between components 160 and 1094.
●Connection code AP10 between components 160 and 1016.
●Connection code 65A between components 160 and 172.
●Connection code 65A between components 160 and 173.
●Connection code 65A between components 160 and 639.
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 all these checks are in order and the fault is still present, contact Techline.
AFTER REPAIRRepeat the conformity check from the start.
Carry out fault finding on the system.

87B -102
MR-413-X44-87B000$576.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
ET061
TAILGATE OPENING REQUEST
NOTESNo faults should be present or stored.
IMPORTANT
On entry level vehicles (without central door locking), it is necessary to open the
tailgate mechanically using the key.
SPECIFICATIONSPRESENT
ABSENT
Check the following configuration:
–Check that LC093 Central door locking is With. Otherwise perform CF192 Central door locking.
Check the condition and connection of the tailgate lock connector (bent, broken tabs, etc.).
Check the condition and connection of the PE1 connector of the UCH, (component code 645) (tabs bent,
broken, etc.).
Check that the earth on connection MYH of the tailgate switch and tailgate lock are 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.
When unlocking, check the signal status on component 1391 of the following connections using an oscilloscope
(refer to test1 “Central door locking”).
Tailgate lock:
Oscilloscope red test pin on connection 20S of
component 1322Oscilloscope black test pin on connection MYH
of component 1322
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_ET061

87B -103
MR-413-X44-87B000$576.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
ET061
CONTINUED
Check the insulation, continuity and the absence of interference resistance on the following connections:
Tailgate lock check:
●Connection code 20S between components 1322 and 645.
●Connection code 86H between components 1322 and 645.
With electric central door locking:
●Connection code 20G between components 560 and 645.
●Connection code MYH between component 560 and earth MHY.
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 Techline.
AFTER REPAIRRepeat the conformity check from the start.
Carry out fault finding on the system.