2011 RENAULT SCENIC engine

1Engine and peripherals
V9 MR-372-J84-13B450$TOC.mif
V9
13B
"The repair procedures given by the manufacturer in this document are based on the
technical specifications current when it was prepared.
The procedures may be modified as a result of changes introduced by the
manufacturer in the production of the various component units and accessories from
which his vehicles are constructed."
V9
All rights reserved by Renault s.a.s.
Edition Anglaise
Copying or translating, in part or in full, of this document or use of the service part
reference numbering system is forbidden without the prior written authority of
Renault s.a.s.
© Renault s.a.s. 2011
DIESEL INJECTION
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48, 50, 54, 58
Fault finding – Introduction 13B - 2
Fault finding – Cleanliness guidelines 13B - 8
Fault finding – List and location of components 13B - 10
Fault finding – Role of components 13B - 12
Fault finding – Features 13B - 15
Fault finding – Defect modes 13B - 26
Fault finding – Configuration and programming 13B - 28
Fault finding – Replacement of components 13B - 29
Fault finding – Fault summary table 13B - 34
Fault finding – Interpretation of faults 13B - 40
Fault finding – Conformity check 13B - 202
Fault finding – Status summary table 13B - 203
Fault finding – Interpretation of statuses 13B - 205
Fault finding – Parameter summary table 13B - 259
Fault finding – Interpretation of parameters 13B - 263
Fault finding – Command summary table 13B - 350
Fault finding – Interpretation of commands 13B - 351
Fault finding – Customer complaints 13B - 380
Fault finding – Fault Finding Chart 13B - 381
Fault finding – Tests 13B - 404
Fault finding – Glossary 13B - 430

13B-2V9 MR-372-J84-13B450$010.mif
13B
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58
1. SCOPE OF THIS DOCUMENT
This document presents the fault finding procedure applicable to all computers with the following specifications:
2. PREREQUISITES FOR FAULT FINDING
Documentation type
Fault finding procedures (this document):
– Assisted fault finding (integrated into the diagnostic tool), Dialogys.
Wiring Diagrams:
– Visu-Schéma (CD-ROM), paper.
Type of diagnostic tools
–CLIP
Special tooling required
3. REMINDERS
Procedure
To save energy, the vehicle's UCH interrupts the + after ignition feed after 3 minutes.
To run fault finding on a computer, it is possible to force the + after ignition feed for 1 hour by applying the following
procedure:
– press the unlocking button on the card,
– insert the card in the reader,
– press the start button (interrupting the timed + after ignition feed mode),
– press the start button for more than 5 seconds, without conditions for starting being met, until the immobiliser
warning light flashes rapidly (4 Hz).
This forced + after ignition feed mode is active for 1 hour.
Pressing the start button or removing the card from the card reader interrupts the forced + after ignition feed, but
does not interrupt the time period for the forced + after ignition feed. Until one hour has elapsed, activating the +
after ignition feed will restart forced + after ignition feed for the remaining time. Vehicle(s): MEGANE II phase 2, SCENIC II
phase 2Name of computer: BOSCH EDC16 C36
Engine: F9Q 816, 818Program No.: 91
Function concerned: DIESEL INJECTIONVdiag No.: 44, 4C, 48, 50, 54, 58
Special tooling required
Multimeter
Elé. 1681 Universal bornier
EDC16C36_V44_PRELI/EDC16C36_V4C_PRELI/EDC16C36_V48_PRELI/EDC16C36_V50_PRELI/EDC16C36_V54_PRELI/
EDC16C36_V58_PRELI
DIESEL INJECTION
Fault finding – Introduction

13B-8V9 MR-372-J84-13B450$020.mif
13B
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58
1. HAZARDS ASSOCIATED WITH CONTAMINATION
The high pressure direct injection system is highly sensitive to contamination. The risks caused by the introduction of
contamination are:
– damage to or destruction of the high pressure injection system,
– a component seizing up,
– a component losing its sealing.
All After-Sales operations must be performed under very clean conditions. This means that no impurities (particles
a few microns in size) should have penetrated the system during dismantling.
The cleanliness guidelines must be applied from the filter through to the injectors.
What are the sources of contamination?
– metal or plastic swarf,
– paint,
–fibres:
– from cardboard,
– from brushes,
– from paper,
– from clothing,
– from cloths,
– foreign bodies such as hair,
– the ambient atmosphere,
–etc.
2. INSTRUCTIONS TO BE FOLLOWED PRIOR TO ALL OPERATIONS
Check that you have plugs for the unions to be opened (set of plugs available from the Parts Department). The plugs
are single-use only. After use, they must be discarded (once used they are soiled and cleaning is not sufficient to
make them reusable). Unused plugs must be discarded.IMPORTANT
Cleaning the engine using a high pressure washer is prohibited because of the risk of damaging connections.
In addition, moisture may collect in the connectors and create faults in the electrical connections.
IMPORTANT
Before carrying out any work on the high pressure injection system, protect:
– the accessories and timing belts,
– the electrical accessories, (starter, alternator, electric power-assisted steering pump),
– the flywheel surface, to prevent any diesel from running onto the clutch friction plate.
DIESEL INJECTION
Fault finding – Cleanliness guidelines

13B-10V9 MR-372-J84-13B450$030.mif
13B
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58
High pressure pump:
The high pressure pump is located upstream of the common rail.
Rail pressure sensor:
This sensor is fitted to the common rail.
Rail pressure regulator:
The regulator is fitted on the high pressure pump.
Four injectors:
The injectors are fitted on the cylinder head after the common rail.
Vacuum pump:
The vacuum pump is fitted at the end of the camshaft.
Control solenoid valve:
This solenoid valve is located on the turbocharger.
Turbocharger:
The turbocharger is located after the exhaust manifold.
Turbocharger pressure sensor:
The turbocharger pressure sensor is fitted to the air circuit between the turbocharger and the damper valve.
Air mass flow meter:
The air mass flow meter is located at the air circuit inlet and integrates the air temperature sensor.
EGR valve:
The EGR valve is located between the inlet manifold and the exhaust manifold.
EGR position sensor:
This sensor is integrated into the EGR valve.
Damper valve:
The damper valve is located before the inlet manifold.
Particle filter:
The filter is located on the exhaust line after the catalytic converter (only on engines F9Q816).
TDC sensor:
This sensor is located on the flywheel.
Camshaft sensor:
This sensor is located at the end of the camshaft.
DIESEL INJECTION
Fault finding – List and location of components

13B-11V9 MR-372-J84-13B450$030.mif
DIESEL INJECTION
Fault finding – List and location of components13B
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58
Refrigerant pressure sensor:
This sensor is located on the coolant circuit.
Engine coolant temperature sensor:
This sensor is located on the cylinder head near the engine water chamber.
Air temperature sensor:
The air temperature sensor is located at the air circuit inlet, integrated into the air flowmeter.
Turbocharging pressure sensor solenoid valve:
This solenoid valve is located on the turbocharger.
Catalytic converter:
The catalytic converter is located downstream of the turbocharger.
Fuel temperature sensor:
This sensor is located near the injection pump and injector return.
Cruise control/speed limiter on/off switch:
This switch is located in the passenger compartment to the left of the steering wheel near the lighting dimmer.
Fan unit relay:
The relay is located on the cooling radiator.
Accelerator potentiometer:
The potentiometer is located on the accelerator pedal.
Clutch pedal switch:
The switch is located on the clutch pedal.
Heater plugs:
The heater plugs are located on the cylinder head.
The richness ratio sensor:
The richness ratio sensor is mounted in the turbo outlet.
The turbocharger cooling pump:
This pump is located next to the turbocharger.
Particle filter downstream temperature sensor:
The sensor is located after the particle filter (only on certain F9Q816 engines in Vdiag 48).
Particle filter upstream temperature sensor:
The sensor is located before the particle filter (only on engine type F9Q816).
Particle filter differential pressure sensor:
The sensor is located on the particle filter (only on engine type F9Q816).

13B-12V9 MR-372-J84-13B450$040.mif
13B
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58
High pressure pump:
The pump draws in fuel from the tank, which passes through a fuel filter and supplies the fuel injectors.
Rail pressure sensor:
This sensor is fitted to the rail and indicates the pressure inside the rail.
Rail pressure regulator:
This component regulates the high pressure of the fuel in the injection system.
Fuel temperature sensor:
This sensor measures the fuel return temperature from the pump and injector return.
Four injectors:
These injectors enable rapid, precise metering of the quantity of fuel injected, with excellent injection process repeat
action.
Vacuum pump:
The vacuum pump is driven by the camshaft. The pump provides the vacuum required to operate the following
components: control solenoid valve, brake servo.
Control solenoid valve:
The solenoid valve controls the vacuum pump and the turbocharger vane control diaphragm.
Turbocharger:
The turbocharger is used to supply the engine with more air.
Turbocharger pressure sensor:
This sensor indicates the pressure at the turbocharger air cooler outlet before the damper valve.
Air mass flow meter:
The flowmeter measures the amount of fresh air entering the engine.
EGR valve:
Exhaust gas recirculation considerably reduces the nitrogen oxide emissions (NOx).
EGR position sensor:
The sensor gives the position of the EGR solenoid valve.
Damper valve:
The damper valve is used:
– When the engine is switched off, to dampen the engine which helps stop the engine.
– When in the rest position; the valve is open by default.
DIESEL INJECTION
Fault finding – Role of components

13B-13V9 MR-372-J84-13B450$040.mif
DIESEL INJECTION
Fault finding – Role of components13B
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58
Particle filter:
The particle filter retains the particles for destruction during regeneration, preventing these particles from being
discharged into the atmosphere (engine type F9Q816 only).
TDC sensor:
The angular position is measured using a magneto-inductive sensor triggered by the machined teeth on the engine
flywheel. This sensor gives the engine speed as well as the position of the crankshaft for injection.
Camshaft sensor:
This sensor provides a signal to perform the injection cycle.
When the piston for cylinder 1 is at top dead centre (TDC), it may be either at the end of the compression stroke or
at the end of the exhaust stroke. The camshaft sensor makes the distinction between these two states.
Electric coolant pump:
The electric water pump is activated if the coolant temperature has reached a significant temperature threshold
when the engine has stopped.
Role: to cool the turbocharger when the engine is stopped.
Refrigerant pressure sensor:
Its role is to measure the refrigerant pressure in the air conditioning circuit.
Heating elements:
The heating elements heat the engine coolant to improve user comfort (only on certain types of F9Q816 engine
in Vdiag 48).
Engine coolant temperature sensor:
The engine coolant temperature sensor informs the computer of the engine coolant temperature.
Air temperature sensor:
The air temperature sensor is fitted inside the inlet manifold and informs the computer of the temperature of the air
taken in by the engine.
Turbocharging pressure sensor solenoid valve:
This solenoid valve operates the turbocharger wastegate pneumatic circuit to lower the turbocharging pressure.
Catalytic converter:
The role of the catalytic converter is to convert pollutant gases into harmless gases.
Fan unit relay:
This relay controls the activation of the engine cooling fan assembly when a temperature threshold has been
exceeded.
Accelerator potentiometer:
The accelerator potentiometer informs the computer of the position of the accelerator pedal (engine load).

13B-14V9 MR-372-J84-13B450$040.mif
DIESEL INJECTION
Fault finding – Role of components13B
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58
Clutch pedal switch:
The clutch pedal switch informs the computer of the pedal status.
Heater plugs:
The heater plugs preheat the combustion chamber so that the mixture detonation takes place under the best
conditions and thus start the engine.
Injector rail:
The injector rail receives and redistributes the fuel under high pressure to the injectors.
The richness ratio sensor:
The function of the proportional mixture sensor is to reset the injection system drift.
The turbocharger cooling pump:
This pump circulates the coolant to reduce the temperature of the turbocharger.
Particle filter downstream temperature sensor:
This sensor informs the computer of the temperature of the exhaust gases at the particle filter outlet (only on certain
engine types F9Q816 in Vdiag 48).
Particle filter upstream temperature sensor:
This sensor informs the computer of the temperature of the exhaust gases at the particle filter inlet (only engine
typeF9Q816).
Particle filter differential pressure sensor:
A differential pressure sensor monitors the status of the particle filter (particle weight) and triggers regeneration.
Role: To calculate the difference in pressure between the particle filter inlet and outlet (only engine type F9Q816).