brake RENAULT SCENIC 2011 J95 / 3.G Engine And Peripherals EDC16 Injection Workshop Manual

13B - 13
DIESEL INJECTION
Fault finding - System operation13B
V10 MR-372-J84-13B150$094.mif
EDC16 INJECTION
Program No.: C1
Vdiag No: 44, 48 and 4C
Passenger Compartment Heating Resistor Management
In order to reduce the time required to heat up the passenger compartment, the vehicle is fitted with Passenger
Compartment Heating resistors (RCH). These passenger compartment heating resistors are run and controlled by
the UCH.
The injection computer authorises or prohibits the operation of the passenger compartment heating resistors
according to the operating phases and engine power needs.
Cruise control/speed limiter management
When activated, the cruise control function maintains the vehicle at a preselected speed, regardless of the driving
conditions encountered.
If the driver wishes to exceed the cruising speed, they may:
– depress the accelerator pedal and exceed the cruising speed (the vehicle will return to the initial
cruising speed once the driver takes their foot off the pedal),
– press the system control buttons.
The cruise control function can be deselected either by:
– the system control buttons,
– deactivating the cruise control switch,
– when system events are detected, such as the brake pedal or clutch being depressed,
– when system errors are detected such as an inconsistent vehicle speed.
The cruise function can also be temporarily disabled when the driver wants to increase speed by depressing the
accelerator pedal. The cruising speed is resumed when the driver releases the accelerator pedal.
It is possible to reactivate the vehicle speed control and resume the last cruising speed after deactivation (computer
supply not cut off).
The vehicle speed limiter function enables, when it is active (switch turned on), the vehicle speed to be limited to
a preselected value. The driver controls the vehicle in the normal way using the accelerator pedal until the limit
speed is reached.
If the driver wishes to exceed the cruising speed, they may:
– exceed the accelerator pedal's kickdown point,
– increase the limit speed by pressing or pressing and holding the limit speed switch.
The speed limiter function can be deselected either:
– by using the system control buttons,
– by switching off the speed limiter switch,
– when system events are detected, such as the brake pedal or clutch being depressed,
– when system errors are detected such as an inconsistent vehicle speed.

13B - 17
DIESEL INJECTION
Fault finding - Allocation of computer tracks13B
V10 MR-372-J84-13B150$141.mif
EDC16 INJECTION
Program No.: C1
Vdiag No: 44, 48 and 4CDIESEL INJECTION
Fault finding - Allocation of computer tracks
1 - Black connector A, 32-track 1 - Black connector A, 32-track (continued)
Track Description
A1 Not used
A2 Cruise control switch earth
A3 CAN L network signal
A4 CAN H network signal
B1 Not used
B2 Not used
B3 Not used
B4 K line diagnostic socket output
C1 Not used
C2 Not used
C3 Cruise control switch supply
C4 Clutch supply signal output
D1 Protection and Switching Unit supply
D2 Cruise control programming control
D3 Cruise control programming feedback
signal
D4 Not used
E1 Not used
E2 Not used
E3 Not used
E4 Brake switch supply signal output
F1 Not used
F2 Accelerator potentiometer load 2 supply
F3 Accelerator potentiometer load 2 signal
F4 Accelerator potentiometer load 2 earth
Track Description
G1 UPC supply
G2 Accelerator potentiometer load 1 supply
G3 Not used
G4 Battery earth
H1 Battery earth
H2 Accelerator potentiometer load 1 signal
H3 Accelerator potentiometer load 1 earth
H4 Battery earth
MR-372-J84-13B150$141.mif

13B - 24
DIESEL INJECTION
Fault finding - Fault summary table13B
V10 MR-372-J84-13B150$235.mif
EDC16 INJECTION
Program No.: C1
Vdiag No.: 44, 48 and 4C
Tool
faultAssociated
DTCDiagnostic tool titleLevel 1
fault warning
light (Orange
heater plugs
“on” indicator
light)Level 2 fault
warning light
(Red overheating
warning light)No fault
warning
light litOBD
warning
light lit
DF040 201Cylinder 1 injector circuit CO CC.1 / CC / 1.DEF ... CO
DF041 202Cylinder 2 injector circuit CO CC.1 / CC / 1.DEF ... CO
DF042 203Cylinder 3 injector circuit CO CC.1 / CC / 1.DEF ... CO
DF043 204Cylinder 4 injector circuit CO CC.1 / CC / 1.DEF ... CO
DF046 560Battery voltage ... ... 1.DEF/2.DEF ...
DF047 615Computer feed voltage ... ... X ...
DF049 530Refrigerant sensor circuit ... ... CC.1/CO.0 ...
DF050 571Brake switch circuit ... ... 1.DEF/2.DEF ...
DF051 575Cruise control/speed limiter
function... ... 1.DEF /
2.DEF /
3.DEF...
DF053 89Rail pressure regulation function 3.DEF / 8.DEF CC.0 / CC.1 / CO /
1.DEF / 2.DEF /
5.DEF / 6.DEF / 7.DEF4.DEF ...
DF054 33Turbocharging solenoid valve
control circuitCO/CC.0/CC.1/
1.DEF... ... ...
DF055 243Turbocharging pressure
regulation circuit1.DEF/2.DEF ... ... ...
DF056 100Air flow sensor circuit 3.DEF/4.DEF ... CC.0/CC.1/
1.DEF/2.DEF
DF057 2264Water in diesel fuel detector
circuit... ... X ...
DF067 638Damper control circuit ...
CC.0OC / CC.1 /
1.DEF...
DF069 1620Impact detected signal X
DF070 830Clutch switch circuit ... ... 1.DEF/2.DEF ...

13B-36
DIESEL INJECTION
Fault finding - Interpretation of faults13B
V10 MR-372-J84-13B150$282.mif
EDC16 INJECTION
Program No.: C1
Vdiag No.: 4C
DF008
CONTINUED 2
2.DEF
NOTESOnly in Vdiag 4C.
Check the mechanical condition of the accelerator pedal:
– locked in full load position,
– with the pedal blocked by an external component.
Check the brake light switch.
Repair if necessary.
Vary the position of the pedal and refer to the conformity check in order to check the operating values of the
accelerator pedal potentiometer.
If the values displayed are inconsistent, replace the accelerator pedal potentiometer.
AFTER REPAIRDeal with any faults.
Carry out a road test, then check with the diagnostic tool.

13B-63
DIESEL INJECTION
Fault finding - Interpretation of faults13B
V10 MR-372-J84-13B150$329.mif
EDC16 INJECTION
Program No.: C1
Vdiag No.: 44, 48 and 4C
DF050
PRESENT
OR
STOREDBRAKE SWITCH CIRCUIT
1.DEF : signal incoherence
2.DEF : no signal
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault is declared present after the brake pedal is depressed, or during a road test.
Special notes:
If the fault is present, cruise control is deactivated.
Use bornier Elé. 1681 for all operations on the injection computer connectors.
WARNING
This fault may appear if the wiring harness has been damaged.
Follow the procedure described in the Wiring Check in the Introduction.
This check enables the condition and the conformity of the engine wiring harness to be checked.
1.DEF
NOTESNone.
Check the brake pedal switch connections.
Check the condition and adjustment of the brake pedal switch.
Repair if necessary.
Check the continuity and the absence of interference resistance on the following connection:
Injection computer black 32-track connector A, track E4 Track 3 of the brake switch
Repair if necessary.
Check the conformity of the switch by consulting the interpretation of statuses ET704 Brake switch no. 1 signal
and ET705 Brake switch no. 2 signal.
If the fault is still present, carry out fault finding on the ABS computer.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by a check with the diagnostic tool.
EDC16_V44_DF050/EDC16_V48_DF050/EDC16_V4C_DF050

13B-64
DIESEL INJECTION
Fault finding - Interpretation of faults13B
V10 MR-372-J84-13B150$329.mif
EDC16 INJECTION
Program No.: C1
Vdiag No.: 44, 48 and 4C
DF050
CONTINUED
2.DEF
NOTESNone.
Check the brake pedal switch connections.
Check the condition and adjustment of the brake pedal switch.
Repair if necessary.
Check the conformity of the brake switch:
Brake pedal released: continuity between tracks 3 and 4
infinite resistance across tracks 1 and 2
Brake pedal depressed: infinite resistance between tracks 3 and 4
continuity between tracks 1 and 2.
Replace the switch if necessary.
Check the condition of the 1H 15A fuse on the passenger compartment fuse and relay board.
Replace the fuse if necessary.
Check the following switch supplies:
+ 12 V after ignition Track 2 of the brake pedal switch connector
+ 12 V battery Track 4 of the brake pedal switch connector (via the UCH)
Replace the switch if necessary.
Check the continuity and insulation of the following connection:
Injection computer black 32-track connector A, track E4 Track 3 brake pedal switch
connector
Repair if necessary.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by a check with the diagnostic tool.

13B-122
DIESEL INJECTION
Fault finding - Conformity check13B
V10 MR-372-J84-13B150$423.mif
EDC16 INJECTION
Program No.: C1
Vdiag No: 44, 48 and 4C
CRUISE-CONTROL/SPEED LIMITER (continued)
NOTESOnly carry out this conformity check after carrying out a complete check using the
diagnostic tool. The values shown in this conformity check are given as examples.
Test conditions: engine stopped, ignition on.
Order FunctionParameter or Status
Check or ActionDisplay and Notes Fault finding
2Cruise control/
speed limiter
(continued)NONE
The cruise control and speed
limiter functions can be
deactivated by various
events.
In the event of a fault,
consult the interpretation
of statuses ET042 Cruise
control/speed limiter and
ET415 Cruise control/
speed limiter deactivation. ET415: Deactivation of
cruise control/
speed limiterSTATUS 1: Traction
control request
STATUS 2: Brake
pedal depressed
STATUS 3: Clutch
pedal depressed
STATUS 4: Suspend
button pressed
STATUS 5: Cruise
control or speed limiter
monitoring
STATUS 6: Gear lever
in neutral (manual
gearbox) or neutral
position (automatic
transmission)
Note: the cruise control can
only be activated at a speed
of > 18 mph (30 km/h).STATUS 7:
Inconsistency between
the request and the
vehicle speed
STATUS 9: Vehicle
speed monitoring
STATUS 10:
Monitoring by injection
computer

13B-123
DIESEL INJECTION
Fault finding - Conformity check13B
V10 MR-372-J84-13B150$423.mif
EDC16 INJECTION
Program No.: C1
Vdiag No: 44, 48 and 4C
CRUISE-CONTROL/SPEED LIMITER (continued)
NOTESOnly carry out this conformity check after carrying out a complete check using the
diagnostic tool. The values shown in this conformity check are given as examples.
Test conditions: engine stopped, ignition on.
Order FunctionParameter or Status
Check or ActionDisplay and Notes Fault finding
3 Brake switchET704: Brake switch no.
1 signalIndicates
the position of
the brake pedal
With the ignition on,
pedal released:
ET704 = ET705 =
INACTIVEIn the event of a fault,
consult the interpretation of
statuses ET704 and ET705.
ET705: Brake switch no.
2 signal
4 Clutch Switch ET405: Clutch pedal
switchIndicates
the position of
the clutch pedal
With the ignition on,
pedal released:
ET405 = INACTIVEIn the event of a fault,
consult the interpretation
ofstatus ET405.

13B - 141
DIESEL INJECTION
Fault finding - Conformity check13B
V10 MR-372-J84-13B150$470.mif
EDC16 INJECTION
Program No.: C1
Vdiag No.: 44, 48 and 4C
CRUISE-CONTROL/SPEED LIMITER (continued)
NOTESOnly check conformity after a complete check using the diagnostic tool. The values
shown in this conformity check are given as a guide.
Test conditions: engine at idle speed, coolant temperature at > 80°.
Order FunctionParameter or Status
checked or ActionDisplay and Notes Fault finding
2Cruise
control/
speed
limiter
(continued)ET415: Deactivation
of cruise
control/speed
limiterNONE
STATUS 1: Traction control
request
The cruise control and speed
limiter functions can be
deactivated by various
events.
In the event of a fault,
consult the interpretation of
statuses ET703 Cruise
control/Speed limiter
buttons and ET415 Cruise
control/Speed limiter
deactivation. STATUS 2: Brake pedal
depressed
STATUS 3: Clutch pedal
depressed
STATUS 4: Suspend button
pressed
STATUS 5: Cruise control or
speed limiter monitoring
STATUS 6: Gear lever in
neutral (manual gearbox) or
neutral position (automatic
transmission).
Note: the cruise control
can only be activated at
a speed of >18 mph
(30 km/h).STATUS 7: Inconsistency
between request and vehicle
speed
STATUS 9: Vehicle speed
monitoring
STATUS 10: Monitoring by
injection computer
ET703: Cruise
control/speed
limiter
buttonsINACTIVE: no button
pressed
In the event of a fault,
consult the interpretation of
statuses ET703 Cruise
control/Speed limiter
buttons and ET415 Cruise
control/Speed limiter
deactivation. INCREASE: increase button
pressed
DECREASE: decrease
button pressed
SUSPEND: Suspend button
pressed
RESUME: Resume button
pressed

13B - 142
DIESEL INJECTION
Fault finding - Conformity check13B
V10 MR-372-J84-13B150$470.mif
EDC16 INJECTION
Program No.: C1
Vdiag No.: 44, 48 and 4C
CRUISE-CONTROL/SPEED LIMITER (continued)
NOTESOnly check conformity after a complete check using the diagnostic tool. The values
shown in this conformity check are given as a guide.
Test conditions: engine at idle speed, coolant temperature at > 80°.
Order FunctionParameter or Status
checked or ActionDisplay and Notes Fault finding
3Brake
switchET704:Brake
switch no. 1
signalIndicates the position of the
brake pedal
With the ignition on, pedal
released:
ET704 = ET705 = INACTIVEIn the event of a fault,
consult the
interpretation of
statuses ET704 and
ET705. ET705:Brake
switch no. 2
signal
4Clutch
SwitchET405:Clutch pedal
switchIndicates the position of the
clutch pedal
With the ignition on, pedal
released:
ET405 = INACTIVEIn the event of a fault,
consult the
interpretation of status
ET405.