brake RENAULT SCENIC 2011 J95 / 3.G Engine And Peripherals EDC16 Workshop Manual
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Page 15 of 365
13B-15
MR-372-J84-13B200$108.mif
V13
DIESEL INJECTION
Fault finding – System operation
EDC16
Program No: C1
Vdiag No: 18, 1C, 20,
50, 58, 5C
13B
Passenger Compartment Heating Resistor Management (Mégane II only):
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:
The vehicle cruise control function, when activated, allows you to keep the vehicle speed at a selected value
regardless of the driving conditions encountered.
Using the control buttons, the driver can increase or reduce the speed of the vehicle.
If the driver wishes to exceed the cruising speed, he may:
– depress the accelerator pedal and exceed the cruising speed (the vehicle will return to the initial cruising speed
once the driver takes his 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.
The vehicle will then attempt to reach the cruising speed at a controlled acceleration rate.
It is possible to reactivate the vehicle speed control and resume the last cruising speed after deactivation (computer
supply not cut off).
When activated (using the selection switch) the vehicle speed limiter function limits the vehicle speed to
a preselected value. The driver controls the vehicle in the normal way using the accelerator pedal until the limit
speed is reached.
If an attempt is made to exceed this speed, the system ignores the pedal request and controls the vehicle speed in
the same way as the cruise control function, provided that the driver keeps the accelerator pedal sufficiently
depressed.
As with the cruise control function, the cruising speed can be altered using the control buttons by pressing briefly or
keeping the switch pressed.
For safety reasons, the limit speed can be exceeded by depressing the accelerator pedal beyond the pedal position
limit value. The vehicle speed is then totally controlled as a function of pedal position until the speed falls back below
the cruising speed when the speed limiter function will once again be reactivated.
If the driver wishes to exceed the cruising speed, he 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:
– 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.
Page 29 of 365
13B-29
MR-372-J84-13B200$216.mif
V13
DIESEL INJECTION
Fault finding – Fault summary table
EDC16
Program No: C1
Vdiag No: 18, 1C, 20,
50, 58, 5C
13B
Tool
faultDiagnostic tool titleAssociated
DTCLevel 1 fault
warning light
(Orange
heater plugs
"on" indicator
light)Level 2 fault
warning light
(Red
overheating
warning light)No fault
warning
light onOBD
warning
light lit
DF047Computer feed voltage 615 1.DEF
DF049Refrigerant sensor
circuit530 CC.1/CO.0
DF050Brake switch circuit 5711.DEF/
2.DEF
DF051Cruise control/speed
limiter function5751.DEF/
2.DEF/
3.DEF
DF053Rail pressure
regulation function89 3.DEFCC.0/CC.1/CO/
1.DEF/2.DEF/
4.DEF/5.DEF/
6.DEF/7.DEF
DF054Turbocharging
solenoid valve control
circuit33CO/CC.0/CC.1/
1.DEF/
2.DEF/3.DEF
4.DEF/5.DEFCC.0
DF055Turbocharging
pressure regulation
circuit243 1.DEF/2.DEF
DF056Air flow sensor circuit 100CO.0/CC.1/
1.DEF/2.DEFCO.0/
CC.1/
1.DEF/
2.DEF
DF057Water in diesel fuel
detector circuit2264 X
DF058Oil temperature sensor
circuit195CC.0/
CO.1
DF059Misfiring on cylinder 1 301 X
DF060Misfiring on cylinder 2 302 X
Page 42 of 365
13B-42
MR-372-J84-13B200$252.mif
V13
DIESEL INJECTION
Fault finding – Interpretation of faults
EDC16
Program No.: C1
Vdiag no.: 18, 1C, 20,
50, 58, 5C
13B
DF008
CONTINUED 2
1.DEF
NOTESNone
Check the pedal potentiometer connections.
Check the injection computer connections.
Repair if necessary.
Check the continuity and absence of interference resistance of the following connections:
– connection code 3LS,
– connection code 3LR,
– connection code 3LT,
– connection code3LW,
– connection code 3LU,
– connection code 3LV.
between components 120 and 921.
If the connection or connections are faulty and there is a repair method (see Technical Note 6015A, Repairing
electrical wiring, Wiring: Precautions for repair), repair the wiring, otherwise replace it.
If the fault is still present, replace the pedal potentiometer.
2.DEF
NOTESNone
Check the mechanical condition of the accelerator pedal:
– locked in full load position,
– with the pedal blocked by an external component.
Repair if necessary.
Check the brake light switch.
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 followed by another check with the diagnostic tool.
Page 77 of 365
13B-77
MR-372-J84-13B200$288.mif
V13
13B
DIESEL INJECTION
Fault finding – Interpretation of faults
DF050
PRESENT
OR
STOREDBRAKE SWITCH CIRCUIT
1.DEF: Open circuit or short circuit
2.DEF : Inconsistent 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, the cruise control/speed limiter is deactivated.
Use bornier Elé.1681 or Elé.1590 for any operation 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 conformity of the brake light switch:
For Mégane II and Scénic II without ESP:
Brake pedal released:
– continuity between connections 5A and BPT,
– infinite resistance between connections 65A and SP17.
Brake pedal depressed:
– infinite resistance between connections 5A and BPT,
– continuity between the connections 65A and SP17.
For Mégane II and Scénic II with ESP:
Brake pedal released:
– continuity between connections 5A and BPT,
– infinite resistance between connections 65G and SP17.
Brake pedal depressed:
– infinite resistance between connections 5A and BPT,
– continuity between the connections 65G and SP17.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.
EDC16_V50_DF050/EDC16_V58_DF050/EDC16_V5C_DF050/EDC16_V18_DF050/EDC16_V1C_DF050/EDC16_V20_DF050EDC16
Program No.: C1
Vdiag no.: 18, 1C, 20,
50, 58, 5C
Page 78 of 365
13B-78
MR-372-J84-13B200$288.mif
V13
DIESEL INJECTION
Fault finding – Interpretation of faults
EDC16
Program No.: C1
Vdiag no.: 18, 1C, 20,
50, 58, 5C
13B
DF050
CONTINUED
For Laguna II:
Brake pedal released
– continuity between connections 5A and SP13,
– infinite resistance between connections 65A and SP17.
Brake pedal depressed
– infinite resistance between connections 5A and SP13,
– continuity between connections 65A and AP10.
Replace the switch if necessary.
Check the condition of fuse H 15A on the passenger compartment fuse and relay board.
Replace the fuse if necessary.
Check the supplies to the switch:
For Mégane II and Scénic II:
+ 12 V after ignition Connection SP17 of component 160
+ 12 V battery Connection BPT of component 160 (via ABS)
For Laguna II:
+ 12 V after ignition Connection SP13 of component 160
+ 12 V battery Connection AP10 of component 160
Check the continuity and insulation of connection 5A between components 120 and 160.
If the connection or connections are faulty and there is a repair method (see Technical Note 6015A, Repairing
electrical wiring, Wiring: Precautions for repair), repair the wiring, otherwise replace it.
2.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 absence of interference resistance on connection 5A between components 120
and160.
If the connection or connections are faulty and there is a repair method (see Technical Note 6015A, Repairing
electrical wiring, Wiring: Precautions for repair), repair the wiring, otherwise replace it.
Check the conformity of the switch by consulting the interpretation of statuses ET704 Brake switch no. 1 and
ET705 Brake switch no. 2.
If the fault is still present, run fault finding on the ABS computer (see 38C, Anti-lock braking system).
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.
Page 163 of 365
13B-163
MR-372-J84-13B200$468.mif
V13
DIESEL INJECTION
Fault finding – Status summary table
EDC16
Program No: C1
Vdiag No: 18, 1C, 20,
50, 58, 5C
13B
* regen.: regeneration Tool status Diagnostic tool title
ET703Cruise control/speed limiter button
ET704Brake switch No. 1
ET705Brake switch No. 2
ET706Stored engine status no. 1
ET707Stored engine status no. 2
ET708Stored engine status no. 3
ET709Stored engine status no. 4
ET710Stored engine status no. 5
ET711Stored engine status no. 6
ET712Stored engine status no. 7
ET713Stored engine status no. 8
ET714Stored engine status no. 9
ET715Stored engine status no. 10
ET742Stored regen.* request status No. 1
ET743Stored regen.* request status No. 2
ET744Stored regen.* request status No. 3
ET745Stored regen.* request status No. 4
ET746Stored regen.* request status No. 5
ET747Stored regen.* request status No. 6
ET748Stored regen.* request status No. 7
ET749Stored regen.* request status No. 8
ET750Stored regen.* request status No. 9
ET751Stored regen.* request status No. 10
Page 195 of 365
13B-195
MR-372-J84-13B200$540.mif
V13
EDC16
Program No: C1
Vdiag No: 18, 1C, 20,
50, 58, 5CDIESEL INJECTION
Fault finding – Interpretation of statuses13B
ET415
CRUISE CONTROL/SPEED LIMITER DEACTIVATION
NOTESSpecial notes:
Only perform these tests if the statuses do not correspond with the system operation
programming.
Note:
Cruise control can be activated when the vehicle speed exceeds 20 mph (30 km/h).
Status ET415 shows various factors that cause deactivation of the cruise control/speed limiter function, due to a
driver request or the external environment (eg. STATUS 1).
IMPORTANT:
Clear the fault memory by running command RZ007 Fault memory, to reset this status to WITHOUT.
NONE
This status is present on the diagnostic tool if:
the computer has been reinitialised,
the computer has been reprogrammed.
STATUS 1Traction control request
If the vehicle is fitted with a traction control system, the cruise control function is
deactivated every time the ABS computer calls for traction control.
Status ET415 becomes STATUS 1 when driving, with cruise control active (ET042:
Cruise control/Speed limiter: CRUISE CONTROL) and upon a traction control
request.
This deactivates cruise control.
Reinitialise status ET415 on the injection computer by running command RZ007
"Fault memory".
If status ET415 becomes STATUS 1 without a traction control request (see38C, ABS).
STATUS 2Brake pedal depressed
The cruise control function is deactivated when the brake pedal is depressed.
Status ET415 becomes "STATUS 2" when driving with cruise control active (ET042
Cruise control/Speed limiter: CRUISE CONTROL) and the brake pedal is depressed.
This deactivates cruise control.
Reinitialise status ET415 on the injection computer by running command RZ007
"Fault memory".
If status ET415 becomes STATUS 2 without pressing the brake pedal, consult the
interpretation of statuses ET704 and ET705 Brake contact No 1 and No 2.
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
EDC16_V50_ET415/EDC16_V58_ET415/EDC16_V5C_ET415/EDC16_V18_ET415/EDC16_V1C_ET415/EDC16_V20_ET415
Page 197 of 365
13B-197
MR-372-J84-13B200$540.mif
V13
EDC16
Program No: C1
Vdiag No: 18, 1C, 20,
50, 58, 5CDIESEL INJECTION
Fault finding – Interpretation of statuses13B
ET415
CONTINUED 2
STATUS 5
Cruise control or speed limiter monitoring
This status appears when the vehicle brakes or decelerates sharply without the
injection computer receiving a signal indicating that the brake pedal switch has been
pressed.
If status ET415 is STATUS 5, refer to the interpretation of:
– of status ET042 Cruise control/speed limiter,
– of status ET703 Cruise control/speed limiter buttons,
– of status ET704 Brake contact no. 1,
– and status ET705 Brake contact No 2,
to test the cruise control/speed limiter system components and find the defective
component.
Also check the operation of the accelerator pedal, and check for any faults on the
diagnostic tool relating to this component. Deal with them if necessary.
Reinitialise status ET415 on the injection computer by running command RZ007
"Fault memory".
If status ET415 changes to "STATUS 5", deal with present faults or those stored in the
injection computer.
If the fault is still present, contact Techline.
STATUS 6Gear lever in neutral (manual gearbox) or the neutral position (automatic
gearbox)
Status ET415 becomes STATUS 6 when driving with cruise control active (ET042
"Cruise control/speed limiter": CRUISE CONTROL) and:
– If the driver puts the gear lever in neutral position on a manual gearbox without
declutching or,
– if the gear lever is in neutral on an automatic gearbox.
This deactivates cruise control.
Reinitialise status ET415 on the injection computer by running command RZ007
"Fault memory".
If status ET415 becomes STATUS 6 without shifting the gear lever into neutral on a
manual gearbox without declutching, or into neutral on an automatic transmission, test
the ABS computer and check the configuration of the tyre size stored in the computer. If
the configuration is correct, contact the Techline.
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
Page 205 of 365
13B-205
MR-372-J84-13B200$540.mif
V13
EDC16
Program No: C1
Vdiag No: 18, 1C, 20,
50, 58, 5CDIESEL INJECTION
Fault finding – Interpretation of statuses13B
ET704
ET705
BRAKE SWITCH NO. 1
BRAKE SWITCH NO. 2
NOTESSpecial note:
Statuses ET704 and ET705 should change status at the same time. In the event of
inconsistency, consult the interpretation of fault DF050 Brake switch circuit.
ACTIVE
or
INACTIVE
If the brake lights are working:
check the continuity and make sure there is no interference resistance on the following
connection:
Connection code 5A between components 160 and 120/645/119.
If there is a repair method (see Technical Note 6015A, Repairing electrical wiring,
Wiring: Repair precautions), repair the wiring, otherwise replace it.
If the brake lights are not operational, check:
– the condition and fitting of the brake switch,
– the condition and conformity of the brake lights fuse,
– the conformity of the values in the following table:
disconnect the switch and carry out the following checks:
for Mégane II and Scénic II with ESP
Continuity between
connectionsInsulation between
connections
Switch pressed
(Brake pedal released)5A and BPT 65G and SP17
Switch released
(Brake pedal depressed)65G and SP17 5A and BPT
for Mégane II and Scénic II without ESP:
Continuity between
connectionsInsulation between
connections
Switch pressed
(Brake pedal released)5A and BPT 65A and SP17
Switch released
(Brake pedal depressed)65A and SP17 5A and BPT
For Laguna II:
Continuity between
connectionsInsulation between
connections
Switch pressed
(Brake pedal released)5A and SP13 65A and AP10
Switch released
(Brake pedal depressed)65A and AP10 5A and SP13
Replace the switch if the values obtained are not correct
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
EDC16_V50_ET704/EDC16_V58_ET704/EDC16_V5C_ET704/EDC16_V50_ET705/EDC16_V58_ET705/EDC16_V5C_ET705/
EDC16_V18_ET704/EDC16_V1C_ET704/EDC16_V20_ET704/EDC16_V18_ET705/EDC16_V1C_ET705/EDC16_V20_ET705
Page 323 of 365
13B-323
MR-372-J84-13B200$828.mif
V13
DIESEL INJECTION
Fault finding – Fault Finding Chart
EDC16
Program No.: C1
Vdiag no.: 18, 1C, 20,
50, 58, 5C
13B
ALP 4
CONTINUED
Check the injector operation: run test 9.
If the fault is still present
Check the conformity of the accelerator pedal position sensor, the brake pedal sensor, the atmospheric pressure
sensor, the exhaust gas recirculation valve and the damper valve.
Check the consistency of the signal: of the air flowmeter, of the engine coolant temperature sensor, of the fuel
temperature sensor and of the engine speed.
Check the connections, continuity and absence of interference resistance on the air flow sensor (run DF056 Air
flow sensor circuit, 2.DEF), the engine coolant temperature sensor (run DF001 Coolant circuit, 1.DEF), and
the engine speed (run DF195 Engine speed / camshaft sensor consistency, 2.DEF).
Check:
– That the diesel filter is not clogged (for the test, see DF053 Rail pressure regulation function 2.def).
– That there are no leaks on the high and low pressure diesel circuits, run Test 4 Turbocharged air inlet circuit
check.
– That the oil vapour rebreathing system is connected.
– The flow regulator (jammed / seized), apply the interpretation of command AC011 Rail pressure regulator.
– Check the timing setting (and the position of the high pressure pump pinion)
– Check the engine compressions (cylinder compression balance with the Compression test function on the
CLIP Technic tool).
– Measure the engine compressions with the special tool
– If the fault is still present, contact the techline.
AFTER REPAIRCarry out a road test followed by a complete check with the diagnostic tool.