2010 RENAULT SCENIC air condition

13B-127
AFTER REPAIRCarry out another fault finding check on the system.
Deal with any other faults.
Clear the stored faults.
V10 MR-372-J84-13B100$150.mif
13B
DCM 1.2 Injection
Program No.: 4D
Vdiag No.: 48, 4C, 50,
54, 58, 5C
ET001COMPUTER + AFTER IGNITION FEED
STATUS DEFINITIONPRESENT: This status indicates that the + after ignition feed is active.
ABSENT: This status indicates that the + after ignition feed is not active.
Conformity check: Engine stopped, ignition on or engine running.
"ABSENT"
NOTESIgnition on
Check the supply fuse from the injection computer main supply relay, component code 120.
–F18 (5A) (Kangoo 2),
–313 (10A) (Modus and Clio III),
–F5D (5A) (Mégane II and Scénic II),
–F9 (15A) (New Twingo)
Use a multimeter to check for a + 12 V feed on the fuse holder with the ignition on.
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 the wiring.
Check the continuity and insulation against earth of the following connection:
–AP15 between components 1337 and 120
–AP29 between components 1337 and 120 (for New Twingo)
Check for continuity and the absence of interference resistance on the following connection:
–N between the earth and component 120 (for Kangoo 2),
–NH between the earth and component 120 (for Modus, Clio III and New Twingo),
–M between the earth and component 120 (for Mégane II and Scénic II).
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 the wiring.
"PRESENT"
NOTESIgnition on
Normal operating condition:
Check, using a multimeter, the absence of a + 12 V ignition off on the connection AP15 or AP29 of component 120.
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 the wiring.
DCM1.2_V48_ET001/DCM1.2_V4C_ET001/DCM1.2_V50_ET001/DCM1.2_V54_ET001/DCM1.2_V58_ET001/DCM1.2_V5C_ET001
DIESEL INJECTION
Fault finding – Interpretation of statuses

13B-129
AFTER REPAIRDeal with any faults. Clear the faults from the computer memory.
Switch off the ignition and carry out a road test followed by a test with the diagnostic
tool.
V10 MR-372-J84-13B100$150.mif
DIESEL INJECTION
Fault finding – Interpretation of statuses13B
DCM 1.2 Injection
Program No.: 4D
Vdiag No.: 48, 4C, 50,
54, 58, 5C
ET004AC AUTHORISED
STATUS DEFINITIONYES: This status indicates that the air conditioning is active.
NO: This status indicates that the air conditioning is inactive.
Conformity check: Engine stopped and ignition on, or engine running and engine coolant
temperature > 80
°C
YESThe air conditioning authorisation only changes to YES if:
–the air conditioning request has been made by the driver (air conditioning switch in AC
position with minimum ventilation),
–the engine is not under full load,
–the air conditioning system is not faulty.
NOStatus ET004 remains at NO under the following conditions:
–Vehicle stopped with the ignition on,
–faults present in the air conditioning circuit,
–no air conditioning request made by the driver,
–engine under full load.
If status ET004 remains NO then the air conditioning should be authorised; check:
–that the air conditioning compressor is activated correctly,
–the air conditioning system feed fuses,
the presence of refrigerant in the air conditioning circuit.
DCM1.2_V48_ET004/DCM1.2_V4C_ET004/DCM1.2_V50_ET004/DCM1.2_V54_ET004/DCM1.2_V58_ET004/DCM1.2_V5C_ET004

13B-132
AFTER REPAIRDeal with any faults. Clear the faults from the computer memory.
Switch off the ignition and carry out a road test followed by a test with the diagnostic
tool.
V10 MR-372-J84-13B100$150.mif
DIESEL INJECTION
Fault finding – Interpretation of statuses13B
DCM 1.2 Injection
Program No.: 4D
Vdiag No.: 48, 4C, 50,
54, 58, 5C
ET007PRE-POSTHEATING UNIT CONTROL
STATUS DEFINITIONACTIVE: the status is active when the heater plugs are activated according to the
engine coolant temperature.
INACTIVE: the status is inactive after the engine has been running for a certain period.
In the event of a fault, consult the interpretation of fault DF017 Preheating unit control
circuit.
Conformity check: Engine running and the engine coolant temperature > 80˚C
ACTIVEWhen the ignition is switched on, status ET007 should be ACTIVE for a time that varies
according to the engine coolant temperature. Both the relay and the heater plugs are
supplied.
After starting the status should remain ACTIVE for a time that varies depending on the
engine coolant temperature. This is postheating.
If ET007 is INACTIVE when the ignition is switched on, check:
–The supply fuse FB1 (70A) of the engine fuse and relay box or F2 (70A) on the power
feed fuse board, according to the vehicle.
–The feed to the heater plugs following relay actuation, and the heater plugs
connections.
–The continuity and the absence of interference resistance between the following
connections:
●Connection code 37Z between components 257 (or 980) and 680.
●Connection code 37AA between components 257 (or 980) and 681.
●Connection code 37AB between components 257 (or 980) and 682.
●Connection code 37AC between components 257 (or 980) and 683.
–That the contacts of the pre-postheating unit connector are in good condition and
connected correctly.
If the vehicle starts, preheating is completed and status ET007 remains ACTIVE during
the engine operating phase, consult the interpretation of faults DF017 Preheating unit
control circuit and DF025 Preheating unit fault finding connection.
INACTIVEIf the vehicle does not start, the status remains INACTIVE and the preheating was not
executed when the ignition was switched on or during the starting phase, check the
following connections:
●connection code 3FY and 3FF between components 120 and 257 (or 980).
Check for + 12 V on the preheating unit.
●Connection code BP35 of component 257 (or 980).
If the connection or connections are faulty and there is a repair procedure (see
Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair),
repair the wiring, otherwise replace it.
DCM1.2_V48_ET007/DCM1.2_V4C_ET007/DCM1.2_V50_ET007/DCM1.2_V54_ET007/DCM1.2_V58_ET007/DCM1.2_V5C_ET007

13B-136
AFTER REPAIRDeal with any faults. Clear the faults from the computer memory.
Switch off the ignition and carry out a road test followed by a test with the diagnostic
tool.
V10 MR-372-J84-13B100$150.mif
DIESEL INJECTION
Fault finding – Interpretation of statuses13B
DCM 1.2 Injection
Program No.: 4D
Vdiag No.: 48, 4C, 50,
54, 58, 5C
ET022LOW-SPEED FAN REQUEST
STATUS DEFINITION"ACTIVE": The low speed fan assembly request is active.
"INACTIVE": The low speed fan assembly request is not active.
Conformity check with engine stopped, ignition on or engine running
ACTIVEThe injection computer requests the activation of the low speed GMV when:
–the engine coolant temperature is above 96˚C,
–the injection computer has system faults that could lead to the engine overheating,
–the air conditioning is switched on by the driver.
When the low-speed fan assembly is supplied:
–status ET022 Low speed fan request becomes ACTIVE.
Fan assembly activation is controlled by the UPC.
INACTIVEThe low-speed fan assembly stops when:
–the engine coolant temperature is below 94˚C,
–no fault which could cause engine overheating is present in the injection
system.
–the air conditioning is not switched on by the driver.
Fan assembly activation is controlled by the UPC.
DCM1.2_V48_ET022/DCM1.2_V4C_ET022/DCM1.2_V50_ET022/DCM1.2_V54_ET022/DCM1.2_V58_ET022/DCM1.2_V5C_ET022

13B-137
AFTER REPAIRDeal with any faults. Clear the faults from the computer memory.
Switch off the ignition and carry out a road test followed by a test with the diagnostic
tool.
V10 MR-372-J84-13B100$150.mif
DIESEL INJECTION
Fault finding – Interpretation of statuses13B
DCM 1.2 Injection
Program No.: 4D
Vdiag No.: 48, 4C, 50,
54, 58, 5C
ET023FAST IDLE SPEED REQUEST
STATUS DEFINITION"PRESENT": The fast idle speed request is present.
"ABSENT": The fast idle speed request is not present.
NOTESSpecial notes:
The idle speed setpoint is dependent on:
–the coolant temperature,
–the emission control programs,
–air conditioning requirements,
–the electrical consumers,
–the battery voltage,
–the gear engaged.
–use of command SC041 "Changing commercial vehicle idle speed" (Kangoo 2)
Conformity check with engine stopped, ignition on or engine running
PRESENTStatus is "PRESENT" when there is an engine load:
–inconsistency between the positions of the brake and accelerator pedals,
–coolant temperature < 80
°C or > 89 °C,
–heating and air conditioning system deactivated,
–with electrical consumers,
–the battery voltage is incorrect.
–or after running command SC041 "Changing commercial vehicle idle speed"
(Kangoo 2)
ABSENTStatus is "ABSENT" when there is no engine load:
–coolant temperature = 80
°C,
–heating and air conditioning system deactivated,
–without electrical consumers,
–the battery voltage is correct.
DCM1.2_V48_ET023/DCM1.2_V4C_ET023/DCM1.2_V50_ET023/DCM1.2_V54_ET023/DCM1.2_V58_ET023/DCM1.2_V5C_ET023

13B-147
AFTER REPAIRDeal with any faults. Clear the faults from the computer memory.
Switch off the ignition and carry out a road test followed by a test with the diagnostic
tool.
V10 MR-372-J84-13B100$150.mif
DIESEL INJECTION
Fault finding – Interpretation of statuses13B
DCM 1.2 Injection
Program No.: 4D
Vdiag No.: 48, 4C, 50,
54, 58, 5C
ET077IMPACT DETECTED
STATUS DEFINITIONYES: This status indicates that the airbag computer has detected an impact.
NO: This status indicates that the airbag computer has not detected an impact.
Conformity check: Engine stopped, ignition on or engine running.
YESIf an impact has been stored by the injection computer, switch off the ignition for
10 seconds, then switch it back on so that the engine can be started.
Always clear any faults (even if no faults are present or stored).
NOUnder normal operating conditions, the computer has received no impact signal.
DCM1.2_V48_ET077/DCM1.2_V4C_ET077/DCM1.2_V50_ET077/DCM1.2_V54_ET077/DCM1.2_V58_ET077/DCM1.2_V5C_ET077

13B-148
AFTER REPAIRDeal with any faults. Clear the faults from the computer memory.
Switch off the ignition and carry out a road test followed by a test with the diagnostic
tool.
V10 MR-372-J84-13B100$150.mif
DIESEL INJECTION
Fault finding – Interpretation of statuses13B
DCM 1.2 Injection
Program No.: 4D
Vdiag No.: 48, 4C, 50,
54, 58, 5C
ET079AIR CONDITIONING PRESENT
STATUS DEFINITIONYES: This status indicates that air conditioning is present on the vehicle.
NO: This status indicates that air conditioning is not present on the vehicle.
NOTESThe heating and air conditioning system is present depending on the vehicle's
equipment level.
Conformity check: Engine stopped, ignition on or engine running.
YES or NO, depending on the vehicle equipment.
DCM1.2_V48_ET079/DCM1.2_V4C_ET079/DCM1.2_V50_ET079/DCM1.2_V54_ET079/DCM1.2_V58_ET079/DCM1.2_V5C_ET079

13B-149
AFTER REPAIRDeal with any faults. Clear the faults from the computer memory.
Switch off the ignition and carry out a road test followed by a test with the diagnostic
tool.
V10 MR-372-J84-13B100$150.mif
DIESEL INJECTION
Fault finding – Interpretation of statuses13B
DCM 1.2 Injection
Program No.: 4D
Vdiag No.: 48, 4C, 50,
54, 58, 5C
ET088REQUEST TO START COMPRESSOR
STATUS DEFINITIONACTIVE: the compressor activation request is active.
INACTIVE: the compressor activation request is not active.
Conformity check: Engine stopped and ignition on, or engine running and engine coolant
temperature > 80
°C
ACTIVEStatus ET088 becomes ACTIVE if there has been a request for air conditioning (press
on AC or AUTO button, with maximum cold request) and status ET004 is YES.
The selection is made on the air conditioning control panel, the request for air
conditioning is transmitted to the UCH which in turn transmits the request to the injection
computer which either authorises or does not authorise compressor activation. If the
injection computer authorises activation of the compressor, it sends the compressor
activation request to the UPC and status ET088 Compressor activation request
becomes ACTIVE (Climate control).
If the vehicle is equipped with manual air conditioning, the air conditioning request is
transmitted from the air conditioning control panel to the UCH which then accepts or does
not accept the air conditioning compressor coming on depending on the operating status
of the passenger compartment fan. When the request has been accepted, the request
to switch on the compressor is transmitted to the injection computer which either
authorises or does not authorise the compressor to start.
If the injection computer authorises compressor activation, it sends the compressor
activation request to the UPC and status ET088 Compressor activation request
becomes ACTIVE.
If there has been no compressor activation request and status ET088 remains ACTIVE,
see 62A, Air conditioning.
Note: Compressor operation is only authorised when the engine is running.
Compressor activation is commanded by the UPC.
INACTIVEStatus ET088 is INACTIVE when no air conditioning request has been made. When
compressor activation is not authorised (ET004 is NO or when the driver switches the
air conditioning off.
If a compressor activation request has been made and status ET088 remains INACTIVE
see 62A, Air conditioning.
Note: Compressor operation is only authorised when the engine is running.
Compressor activation is commanded by the UPC.
DCM1.2_V48_ET088/DCM1.2_V4C_ET088/DCM1.2_V50_ET088/DCM1.2_V54_ET088/DCM1.2_V58_ET088/DCM1.2_V5C_ET088