2008 RENAULT SCENIC ignition

ENGINE COMPARTMENT CONNECTION UNIT
Fault finding - Conformity check87G
87G-58V7 MR-372-J84-87G050$440.mif
UPC
Vdiag No.: 48, 4C
FUNCTION: AIR CONDITIONING
SUB-FUNCTION: HEATING
NOTESOnly carry out this conformity check after a complete check with the diagnostic tool
(fault reading and configuration checks).
Application conditions: engine stopped, + after ignition feed on.
FunctionParameter or Status
Check or ActionDisplay and Notes Fault finding
Alternator chargePR010:Alternator charge0 < X < 99.6%
With the engine running,
activate the heated rear
screen and check that the
value increases.In the event of a fault, consult
the interpretation of
parameter PR010.
Rear screen de-
icerAC011:Rear screen de-
icerThis command supplies
the rear screen and door
mirror heating resistors, if
fitted to the vehicle.
They should be warm. In the event of a fault, apply the
procedure for dealing with
command AC011.

ENGINE COMPARTMENT CONNECTION UNIT
Fault finding - Conformity check87G
87G-59V7 MR-372-J84-87G050$440.mif
UPC
Vdiag No.: 48, 4C
FUNCTION: AIR CONDITIONING
SUB-FUNCTION: COLD LOOP
NOTESOnly carry out this conformity check after a complete check with the diagnostic tool
(fault reading and configuration checks).
Application conditions: engine stopped, + after ignition feed on.
FunctionParameter or Status
Check or ActionDisplay and Notes Fault finding
Compressor
controlAC008:Compressor
controlYou should be able to hear
the compressor clutch
(stops the motor running).In the event of a fault, apply the
procedure for dealing with
command AC008.
Fan assemblyAC009:Low-speed fan
assemblyThis command is used to
activate the fan assembly
at low speed.In the event of a fault, apply the
procedure for dealing with
command AC009.
AC010:High-speed fan
assemblyThis command is used to
activate the engine cooling
fan at high speed.In the event of a fault, apply the
procedure for dealing with
command AC010.
Low-speed
engine fan
assembly relay
controlET014:Low-speed
engine fan
assembly relay
controlINACTIVE
ACTIVEIn the event of a fault, consult
the interpretation for status
ET014.
High-speed
engine fan
assembly relay
controlET013:High-speed
engine fan
assembly relay
controlINACTIVE
ACTIVEIn the event of a fault, consult
the interpretation for status
ET013.

ENGINE COMPARTMENT CONNECTION UNIT
Fault finding - Conformity check87G
87G-60V7 MR-372-J84-87G050$440.mif
UPC
Vdiag No.: 48, 4C
FUNCTION: WIPING
SUB-FUNCTION: WIPER POWER
NOTESOnly carry out this conformity check after a complete check with the diagnostic tool
(fault reading and configuration checks).
Application conditions: engine stopped, + after ignition feed on.
FunctionParameter or Status
Check or ActionDisplay and Notes Fault finding
WiperAC005:Low-speed
windscreen wiperThis command is used to
activate the windscreen
wiper motor at low
speed.In the event of a fault, apply the
procedure for dealing with
commands AC005 and AC006.
AC006:High-speed
windscreen wiperThis command is used to
activate the windscreen
wiper motor at high
speed.
Windscreen
wiper protectionET002:Windscreen
wiper protectionINACTIVEIn the event of a fault, refer to the
interpretation for status ET002.
Windscreen
wiper park
positionET018:Windscreen
wiper park
positionPRESENT (if the wiper
is not active)
ABSENTIn the event of a fault, refer to the
interpretation of status ET018.
Headlight
washerAC013:Headlight washer
relayThis command is used to
activate the headlight
washers relay on the
right and left-hand side
alternately.In the event of a fault, apply the
procedure for dealing with
command AC013.

ENGINE COMPARTMENT CONNECTION UNIT
Fault finding - Conformity check87G
87G-61V7 MR-372-J84-87G050$440.mif
UPC
Vdiag No.: 48, 4C
FUNCTION: LIGHTING
SUB-FUNCTION: LIGHTING POWER
NOTESOnly carry out this conformity check after a complete check with the diagnostic tool
(fault reading and configuration checks).
Application conditions: engine stopped, + after ignition feed on.
FunctionParameter or Status
Check or ActionDisplay and Notes Fault finding
Side lightsAC003:Side lightsThis command
switches on the side
lights.In the event of a fault, apply the
procedure for dealing with
command AC003.
Dipped
headlightsAC002:Dipped
headlightsThis command
switches on the dipped
beam headlights.In the event of a fault, apply the
procedure for dealing with
command AC002.
Main beam
headlightsAC001:Main beam
headlightsThis command
switches on the main
beam headlights.In the event of a fault, apply the
procedure for dealing with
command AC001.
Front fog lightsAC004:Front fog lightsThis command
switches on the front
fog lights.In the event of a fault, apply the
procedure for dealing with
command AC004.

ENGINE COMPARTMENT CONNECTION UNIT
Fault finding - Conformity check87G
87G-63V7 MR-372-J84-87G050$440.mif
UPC
Vdiag No.: 48, 4C
FUNCTION: CHARGE CIRCUIT
SUB-FUNCTION: BATTERY
NOTESOnly carry out this conformity check after a complete check with the diagnostic tool
(fault reading and configuration checks).
Application conditions: engine stopped, + after ignition feed active.
FunctionParameter or Status
Check or ActionDisplay and Notes Fault finding
VoltagesPR004:Battery voltage11 < X < 13.5 V
engine running
< 15.8 VIn the event of a fault, apply the
procedure for dealing with PR004
Battery voltage.
PR008:Battery voltage
after rest12.2 V < X <13.5 VIn the event of a fault, apply the
procedure for dealing with PR008
Battery voltage after rest.

ENGINE COMPARTMENT CONNECTION UNIT
Fault finding - Status summary table87G
87G-64V7 MR-372-J84-87G050$495.mif
UPC
Vdiag No.: 48, 4CENGINE COMPARTMENT CONNECTION UNIT
Fault finding - Status summary table
Tool status Diagnostic tool title
ET002Windscreen wiper protection
ET003+ 12 V after ignition feed relay control
ET004Reverse gear engaged
ET005Manual gearbox lever position
ET010Starting conditions met
ET013High-speed engine fan assembly relay control
ET014Low-speed engine fan assembly relay control
ET018Windscreen wiper park position
ET023Alternator thermal fault
ET027Oil pressure contact
ET062UCH request to injection or Protection and Switching Unit
MR-372-J84-87G050$495.mif

ENGINE COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87G
87G-66V7 MR-372-J84-87G050$550.mif
UPC
Vdiag No.: 48, 4C
ET004
REVERSE GEAR ENGAGED
NOTESSpecial notes:
Only apply the checks with the ignition switched on and when no faults are present.
Use Wiring Diagrams Technical Note for Mégane II or Scénic II.
5- and 6-speed manual gearbox
Check the condition and connection of the connector of the reverse gear switch, component code 155, the
manual gearbox neutral/reversing lights sensor, component code 1109, and UPC connector MN,
component code 1337.
If the connector is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the connector, otherwise replace the connector.
With the ignition on and reverse gear engaged, check for + 12 V on connection codes H66P and AP11 of
Protection and Switching Unit connector MN, component code 1337.
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 the absence of interference resistance on the following connections:
–AP11 between components 1337 and 1109,
–H66P between components 1337 and 1109.
Reverse gear engaged:
–between AP11 and H66P on component 155.
If the 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 REPAIRRepeat the conformity check from the start.
USM_V48_ET004 /USM_V4C_ET004

ENGINE COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87G
87G-67V7 MR-372-J84-87G050$550.mif
UPC
Vdiag No.: 48, 4C
ET004
CONTINUED
Automatic gearbox
Check the condition and connection of the connector of the reverse gear switch component code 155, the
multifunction switch component code 485 and the UPC connector MN component code 1337.
If the connector is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the connector, otherwise replace the connector.
With the ignition on and reverse gear engaged, check for + 12 V on connection codes H66P and AP11 of
Protection and Switching Unit connector MN, component code 1337.
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 the absence of interference resistance on the following connections:
–AP11 between components 1337 and 485,
–H66P between components 1337 and 485.
If the 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 REPAIRRepeat the conformity check from the start.