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

87B -159
MR-413-X44-87B000$816.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands
UCH
Vdiag No.: 44
87B
AC056
AC057
AC058
CONTINUED
Check the insulation, continuity and the absence of interference resistance on the following connections:
Combined wiper-washer check:
●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 MAN or MAN between component 145 and the earth MAN (left-hand drive) or MAM
(right-hand drive).
Windscreen wiper motor check:
Left-hand drive:
●Connection code 14A between components 212 and 645.
●Connection code 14B between components 212 and 645.
●Connection code 14C between components 212 and 645.
●Connection code MAS between component 212 and earth MAS.
Right-hand drive:
●Connection code 14A between components 211 and 645.
●Connection code 14B between components 211 and 645.
●Connection code 36C between components 211 and 645.
●Connection code MAS between component 211 and earth MAS.
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 of the windscreen wiper motor (component code 212).
Repair if necessary or replace the windscreen wiper motor (component code 212) if the connections, the feeds
and the earth are correct. (see MR 411, mechanical systems, 85A, Washing - wiping, Windscreen wiper
motor: Removal - Refitting)
If the fault is still present, contact Techline.
AFTER REPAIRCarry out another fault finding check on the system.

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V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands
UCH
Vdiag No.: 44
87B
AC060
HEATED REAR SCREEN
NOTESNo faults should be present or stored.
Check that the interpretation of ET028 “Heated rear screen button” has been
applied.
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).
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 the earth on connection MYH of the connector of component 200.
Run command AC060 “Rear screen de-icer” and check for + 12 V on connection 15LP of the connector of
component 200.
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 absence of interference resistance of the following connections:
●Connection code 15LP between components 645 and 200.
●Connection code MYH between earth MYH and component 200.
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, earth and connections are correct, replace the heated rear screen (component code 200).
If the fault is still present, contact Techline.
AFTER REPAIRCarry out another fault finding check on the system.
UCH_V44_AC060

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MR-413-X44-87B000$816.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands
UCH
Vdiag No.: 44
87B
AC061
TAILGATE OPENING
NOTESSpecial notes:
If the opening element motors are supplied too quickly and it is too difficult to test
using a multimeter, the measurements must be made using an oscilloscope.
No faults should be present or stored.
Check that the interpretation of ET463 “Door(s) or tailgate” has been applied.
Check the condition and connection of the tailgate lock connector (component code 1322) (tabs bent, oxidised,
broken, etc.).
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 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 (component code 560) and the tailgate lock
(component code 1322) is in perfect condition.
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.
When unlocking, check the signal status on component 1322, of the following connections using an oscilloscope
(refer to test1 “Central door locking”).
Tailgate lock:
Oscilloscope red test pin on connection 20S of component 1322.
Oscilloscope 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 REPAIRCarry out another fault finding check on the system.
UCH_V44_AC061

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MR-413-X44-87B000$816.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands
UCH
Vdiag No.: 44
87B
AC061
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.
Without electric central door locking:
●Connection code 20G between components 1733 and 645.
●Connection code 20BW between components 1733 and 560.
●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.
Check:
The insulation of the lock contact (component code 1322) between connections 86H and MHY (tailgate closed)
The continuity of the lock contact (component code 1322) between connections 86H and MHY (tailgate open)
Replace the lock if not correct (component code 1322).
If the fault is still present, contact Techline.
AFTER REPAIRCarry out another fault finding check on the system.

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UCH
Vdiag No.: 44PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
AC110
TEMPERATURE DISPLAY
NOTESSpecial notes:
Check that the vehicle is equipped with an external temperature sensor.
IMPORTANT
This command lasts approximately 30 seconds.
It makes it possible to check the connection between the display (component code 653) and the UCH
(component code 645).
With the command running, the temperature display should change; if not apply the fault finding procedure below.
Read configuration LC002 External
temperature sensor.
Is the configuration “With”?
YES
Check that LC067 "External temperature display" is "WITH". Otherwise
perform CF171 "Temperature display".
Check the condition and connection of the PE2 40-track UCH connector,
(component code 645) (tabs bent, broken, etc.).
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 following connection:
Connection code 47Z between components 645 and 653.
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.
If the connection is correct, replace the display (component code 653)
(see MR 86A, Radio, Display: Removal - Refitting).
If the fault is still present, contact Techline.
NOIf the vehicle is fitted with an external
temperature sensor, check that the
configuration CF029 “External
temperature sensor” displays “With”.
If the vehicle is not fitted with an external
temperature sensor, it is normal that the
external temperature is not displayed.
AFTER REPAIRCarry out another fault finding check on the system.
UCH_V44_AC110

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MR-413-X44-87B000$912.mif
V5
87B
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
ALP 1 No dialogue with the computer
NOTESCheck the condition and connection of the battery connections (see 80A Battery).
Check the condition of the fuses.
Check the battery voltage (see 80A Battery).
Repair if necessary (see MR 411 Mechanical 80A Battery).
Switch on the + after ignition feed.
Connect the diagnostic tool and perform the required operations.
Connect the diagnostic tool to another vehicle to check that it establishes dialogue correctly with the
vehicle. If dialogue is established correctly.
Check the multiplex network of the faulty vehicle (see 88B Multiplexing).
Check the connection between the diagnostic tool and the diagnostic socket (connection and cable in good
condition),
the computer supplies and the engine and passenger compartment fuses.
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 presence and condition of fuse F11 (20 A) on the passenger compartment fuse and relay box
(component code 1016). Replace the fuse if necessary.
Check the condition and connection of the connector of component 225 (tabs bent, oxidised or broken).
Check for + 12 V battery feed on connection BP19 of component 225.
Check for earth on connection MAM (for right-hand drive vehicles) or MAN (for left-hand drive vehicles) of
component 225.
Check for + after ignition feed on connections AP43, BP15, BPT, BP6, BP13, BP19, SP2, SP15 of
component 645.
Check for + 12 V accessories feed on connections SP2 and SP15 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 a complete check using the diagnostic tool.
UCH_V44_ALP1
MR-413-X44-87B000$912.mif
UCH
Vdiag No.: 44

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MR-413-X44-87B000$912.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
UCH
Vdiag No.: 44
87B
ALP 1
CONTINUED
Check the insulation, continuity and the absence of interference resistance of the following connections:
UCH check:
Connection code BP15 between components 645 and 1033.
Connection code BP6 between components 645 and 1033.
Connection code BP3 between components 645 and 1033.
Connection code AP43 between components 645 and 1033.
Connection code SP2 between components 645 and 1016.
Connection code SP15 between components 645 and 1016.
Connection code MAN or MAM between component 645 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 or replace it.
Diagnostic socket check:
Connection code BP19 between components 225 and 1016.
Connection code 133B between components 225 and 645.
Connection code 133C between components 225 and 645.
Connection code MAN or MAM between component 225 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, contact the Techline.
AFTER REPAIRCarry out a complete check using the diagnostic tool.

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MR-413-X44-87B000$912.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
UCH
Vdiag No.: 44
87B
ALP 26 Accessories feed not activated
NOTESCheck the battery voltage (see 80A Battery).
Start the fault finding procedure with the ignition off and the vehicle locked.
When the vehicle is unlocked, the instrument panel should light up for a moment.
Otherwise, carry out fault finding on the multiplex network (see 88B, Multiplexing).
Check the operation of status ET239 "Ignition switch position".
Check the presence and condition of fuses F27 (5 A), depending on the equipment, and F29 (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 connectors of components 645 and 1016 (tabs bent, oxidised or
broken).
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 for earth on the connection MAM (for right-hand drive vehicles) or MAN (for left-hand drive vehicles) 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.
Check the insulation, continuity and the absence of interference resistance of the following connections:
Connection code SP2 between components 645 and 1016.
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-hand 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 fault is still present, contact the Techline.
AFTER REPAIRCarry out a complete check using the diagnostic tool.
UCH_V44_ALP26

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V5
UCH
Vdiag No.: 44PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
ALP 33 No external temperature display
NOTESOnly address this customer complaint after a complete check with the diagnostic
tool.
Check that the temperature display works, use AC110 Temperature display.
Read configuration LC002 External
temperature sensor.
Is the configuration YES?
YES
Check that LC067 Temperature display is With. Otherwise perform
CF171 Temperature display.
Check the condition and connection of the PE2 40-track connector in the
UCH (component code 645) (tabs bent, broken, etc.).
If the connector is faulty and there is a repair method (see Te chnical Note
6015A, Repairing electrical wiring, Wiring: Precautions for repair),
repair the wiring, otherwise replace the wiring.
Check the continuity of the following connection:
Connection code 47Z between components 645 and 653.
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.
If the connection is correct, replace the display. (See MR 411 Mechanical,
86A, Radio, Display: Removal - Refitting).
If the fault is still present, contact the Techline.
NOThe vehicle is not equipped with the
External temperature sensor function.
It is normal for the external temperature
not to be displayed.
UCH_V44_ALP33