62B-93
MR-413-X44-62B000$920_eng.mif
V1
Vdiag No.: 44CLIMATE CONTROL
Diagnostic - Fault finding chart62B
ALP 13 Lighting fault on the control panel in night mode
NOTESOnly consult this customer complaint after a complete check of the multiplex
network and the air conditioning with the diagnostic tool.
Special notes:
With the ignition on, the control panel screen is permanently on but the panel buttons
only light up when the side lights are switched on.
Note:
If the exterior temperature sensor is faulty, the climate control computer is
activated 5 seconds after the ignition is switched on (the UCH performs fault
finding on the exterior temperature sensor).
Use the Wiring Diagram Technical Note for the New Twingo.
Is the fault shared with other components (first row cigarette lighter, radio, multifunction display, cruise control/
speed limiter on off switch, etc.)
YES NO
Switch on the ignition and the side lights.
Using the diagnostic tool and the conformity
check, check that the lighting dimmer is operating
correctly using parameter PR122 NIGHT TIME
LIGHTING LEVEL.
Does the parameter vary?
YES
Check the connection and condition of the
connector of component 419.
If there is a repair method (see Technical Note
6015A, Electrical wiring repair, Wiring: Repair
precautions), repair the wiring, otherwise replace it.
If the fault is still present, contact the Techline.
NOCarry out a fault finding procedure of the
instrument panel.
Run a multiplex network test (see 88B,
Multiplex).
AFTER REPAIRCarry out a complete check with the diagnostic tool.
CLIM_V44_ALP13
62B-94
MR-413-X44-62B000$920_eng.mif
V1
Vdiag No.: 44CLIMATE CONTROL
Diagnostic - Fault finding chart62B
ALP 13
CONTINUED
Switch off the ignition and turn off the side lights.
Disconnect the connectors of components 101, 1081, 1222, 1391, 319, 184, 1390, 261, 653, 1016 and 419 of
connection LPD (see Wiring Diagrams Technical Note, Twingo 2 passenger compartment fuse board,
component code 1016, connection code LPD).
Check the insulation, continuity and the absence of interference resistance of connection LPD between
components 419 and 1016.
If the connection is faulty (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for the
repair), repair the wiring, otherwise replace the wiring.
YES
If the check does not reveal any electrical faults, check the conformity of the components on connection LPD
(component in short circuit, etc.)
Check the condition and position of fuse F42 (10 A) in the passenger compartment fuse box.
Consult section 81C Fuses.
Repair if necessary.
Is the fault still present?
YES
Contact the Techline.
NOEnd of fault finding procedure.
AFTER REPAIRCarry out a complete check with the diagnostic tool.
