87G - 23
ENGINE COMPARTMENT CONNECTION UNIT
Fault finding - Conformity check
87G
V6 MR-372-J84-87G000$528_eng.mif
UPC
Vdiag No.: 44
AIR CONDITIONING: Heating
AIR CONDITIONING: Cold loop
NOTESOnly check conformity after a complete check using the diagnostic tool.
Condition for carrying out the operation: the engine must be running.
Order FunctionParameter or Status
checked or Action Display and notes Fault finding
1StartingPR010:AlternatorIn %
The value varies
according to electricity
consumption.
Refer to the relevant fault
finding method in the event
of a fault.
AC011:Rear
windscreen de-
icingThe heating resistance
for the rear window
and the door mirrors
(if the vehicle is fitted
with door mirrors) must
be supplied with power
and supply heat
Order FunctionParameter or Status
checked or Action Display and notes Fault finding
1Fan assemblyAC009:Low speed fan
unitThe fan must be heard
running at low speed
Refer to the relevant fault
finding procedure in the
event of a fault. AC010:High speed fan
unitThe fan must be heard
running at a high
speed
This command cannot
be used on vehicles
which are not fitted
with climate control
2Air conditioningAC008:Compressor
control(this command is not
permitted when the
engine is running)
87G - 24
ENGINE COMPARTMENT CONNECTION UNIT
Fault finding - Conformity check
87G
V6 MR-372-J84-87G000$528_eng.mif
UPC
Vdiag No.: 44
WIPERS: Wiper power
NOTESOnly check conformity after a complete check using the diagnostic tool.
Condition for carrying out this operation: the engine is running.
Order FunctionParameter or Status
checked or Action Display and notes Fault finding
1Park positionAC012:Windscreen
wiper park
position testThe windscreen wiper
must perform a single
sweep and stop at its
initial position
Refer to the relevant fault
finding procedure in the
event of a fault. Wiper protectionET002:Windscreen
wiper protectionINACTIVE
WipersAC005:Low-speed
windscreen
wiperThe windscreen wiper
must function at low
speed
AC006:Front high-
speed
windscreen
wiperThe front windscreen
wiper must function at
high speed
87G - 25
ENGINE COMPARTMENT CONNECTION UNIT
Fault finding - Conformity check
87G
V6 MR-372-J84-87G000$528_eng.mif
UPC
Vdiag No.: 44
LIGHTING: Lighting power
NOTESOnly check conformity after a complete check using the diagnostic tool.
Condition for carrying out the operation: the engine must be running.
Order FunctionParameter or Status
checked or Action Display and notes Fault finding
1LightingAC003:Side lightsThe front and rear side
lights and the number
plate lights as well as
the controls and
switches inside the
passenger
compartment must
light up.
Refer to the relevant fault
finding procedure in the
event of a fault.
AC002:Dipped beam
headlightsThe dipped beam
headlights must come
on.
AC001:Main beam
headlightsThe main beam
headlights must come
on.
AC004:Front fog lightsThe front fog lights
must come on.
87G - 56
ENGINE COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart (ALP)
87G
V6 MR-372-J84-87G000$924_eng.mif
UPC
Vdiag No.: 44
ALP 3 Various passenger compartment functions do not light up
NOTESThe side lights must not be faulty, if they are, refer to the interpretation of command
AC003 Side lights.
Check the condition and connection of the faulty function(s).
Repair if necessary.
Check for the presence of earth on the defective function(s).
Repair if necessary.
With the side lights on, check for the presence of a +12 V supply on the defective function or functions.
If it is in order, replace the defective component.
Check the insulation against earth and continuity between the defective function and the UPC:
Cigar lighters, air conditioning control panel, radio,
multifunction display, rear view mirror controls, front
and rear window riser commands and window riser
locking, door locking switch, instrument panel
command and in-situ control of headlights command.Track 6 of connector PPH2 on the UPC
Heated seat switches, rigid roof switches, petrol or
LPG selector switch, electronic stability program
switch, simultaneous window control, automatic
gearbox display and speed limiter / cruise control
commands.Track 7 connector PPH2 of the UPC
Repair if necessary.
If the fault is still present, contact the Techline.
AFTER REPAIRDeal with any other possible faults.
Switch off the ignition and carry out a road test followed by a test with the diagnostic
tool.
