tailgate RENAULT TWINGO 2009 2.G Electrical Equipment - Access Safety User Guide

82D-34
MR-413-X44-82D000$900_eng.mif
V1
ACCESS/SAFETY
Fault finding - Fault Finding Chart82D
Vehicle which is equipped with deadlocking function:
ALP 21 Tailgate opening fault
NOTESOnly check this customer complaint after performing a complete check with the
diagnostic tool.
In particular, check the operation of statuses ET463 "Door(s) or tailgate", ET157
"Tailgate opening request" and command AC061 "Tailgate opening".
Check the following conformities:
CF009 Deadlocking with LC003 Deadlocking.
CF108 "Renault Anti-Intruder Device" with LC040 "Renault Anti-Intruder
Device".
CF192 Central door locking with LC093 Central door locking.
Check that DF133 "Deadlocking motor(s) circuit"is not present.
The vehicle and the tailgate must be unlocked.
If the tailgate is already open, the tailgate opening
function is disabled.
Check the wiring between the tailgate lock and
the UCH.
Carry out the necessary repairs.
Remove the lock, close the lock by sliding a
screwdriver into it; test the lock by connecting an
earth and a +battery feed to the motor terminals
(for less than one second).
If the lock still does not work, replace the lock.
If the fault is still present, contact Techline.
AFTER REPAIRCarry out a complete check with the diagnostic tool.
UCH_V44_ALP21

82D-35
MR-413-X44-82D000$900_eng.mif
V1
ACCESS/SAFETY
Fault finding - Fault Finding Chart82D
Vehicle which is not equipped with deadlocking function:
ALP 21
CONTINUED 1
Check the following conformity:
CF192 Central door locking with LC093 Central door locking.
Check that fuses F14 (20 A) are sound and correctly fitted in the passenger compartment fuse and relay box
(for vehicles equipped with deadlocking function).
Replace the fuse if necessary.
Check the condition and connection of the PE1, PE2 and PE3 connectors of the UCH (tabs bent, broken,
oxidised etc.).
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 electric central door locking connectors for the driver's and passenger's
doors and the tailgate (tabs bent, oxidised, bent etc.).
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.
Lock component 1391 to check the status of the signal on the following connections using an oscilloscope
(refer to test 1 "Central door locking" (See 87B, Passenger compartment connection unit, test 1)).
Tailgate locks:
Oscilloscope red test pin on
connection 20S of component 1322Oscilloscope black test pin on connection MHY 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 a complete check with the diagnostic tool.

82D-36
MR-413-X44-82D000$900_eng.mif
V1
ACCESS/SAFETY
Fault finding - Fault Finding Chart82D
ALP 21
CONTINUED 2
Checking the tailgate electric central locking function:
Check the insulation, continuity and the absence of interference resistance on the following connections:
Tailgate lock:
●Connection code 20S between components 1322 or 645.
●Connection code 86H between components 1322 or 645.
●Connection code MYH between component 1322 and earth MYH.
For manual gearbox:
●Connection code 86H between components 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.
If the feeds and the tailgate electric central locking connections are correct, check the tailgate switch, the tailgate
locking switch (with Neman) and the central door locking/warning switch.
Check the insulation, continuity and the absence of interference resistance on the following connections:
Checking the tailgate switch and the tailgate locking switch (with Neman):
●Connection code 20WB between components 560 and 1733.
●Connection code MYH between component 560 and earth MYH.
●Connection code 20G between components 1733 and 645.
Check the central door locking/warning switch:
●Connection code 20AW between components 645 and 1391.
●Connection code 20M between components 645 and 1391.
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, replace the component concerned (tailgate switch, tailgate locking switch or central
door locking/warning switch.
If the fault is still present, contact Techline.
AFTER REPAIRCarry out a complete check with the diagnostic tool.