Renault Megane Quiz
Engine and peripherals

Specifications

In this manual: Engine and peripherals
Engine and peripherals — 141Chassis — 79Chassis — 72Renault Mégane III Driver's Manual — 87Electrical equipment — 221Engine and peripherals — 47Electrical equipment — 80Transmission — 14Air conditioning — 30Bodywork — 115Trim and upholstery — 44General vehicle information — 27Air conditioning — 59General vehicle information — 16Transmission — 38Sealing and soundproofing — 7General vehicle information — 3
~7min read

K9K

Caractéristiques
Caractéristiques
Designation Make - type Special notes
High-pressure pump DELPHI Pressure from 0 to 1400 bar
Supply pump DELPHI Integrated in the high-pressure pump
Injection ECU DELPHI 112-way ECU (A 32, B 48, C 32)
Diesel rail pressure sensor DELPHI Integrated in the rail

Resistance not measurable

Supply voltage +5 V

3-way connector:

  • 1: signal
  • 2: rail pressure sensor earth
  • 3: supply +5 V
Injectors DELPHI / MNS HP Solenoid injector, 5 holes

Maximum pressure 1600 bar

Resistance not measurable

Supply voltage +12 V

2-way connector:

  • 1: injector + control
  • 2: injector - control
Diesel flow actuator DELPHI Located on the high-pressure pump

Resistance: 5.3 Ω +/- 0.5 at 20 °C

Supply voltage +5 V

2-way connector:

  • 1: + battery via the protection and switching unit
  • 2: actuator control
Engine speed and position sensor MGI Variable reluctance sensor

Resistance: 760 Ω

2-way connector

  • A: signal +
  • B: signal -
Pre/post-heating unit NAGARES BED 7-12 Pre/post-heating function managed by the ECU

9-way connector

  • 1: glow plug 3 supply
  • 2: glow plug 4 supply
  • 3: + battery supply
  • 6: glow plug 1 supply
  • 7: glow plug 2 supply
  • 8: control from injection ECU
  • 9: diagnosis
Glow plugs CHAMPION or BERU Resistance: 0.6 Ω
Accelerator pedal potentiometer CTS Dual-track potentiometer

Resistance

  • track 1: terminals 3 and 5: 1700 +/- 900 Ω
  • track 2: terminals 2 and 6: 3875 +/- 1025 Ω

6-way connector:

  • 1: track 2 signal
  • 2: supply +5 V track 2
  • 3: supply +5 V track 1
  • 4: track 1 signal
  • 5: track 1 earth
  • 6: track 2 earth
Cylinder identification sensor SAGEM Hall effect sensor

3-way connector:

  • 1: cylinder identification sensor earth
  • 2: signal
  • 3: + battery via the protection and switching unit
Diesel temperature sensor DELPHI Located on the high-pressure pump

Negative temperature coefficient thermistor

Resistance: 2.2 kΩ at 25 °C

2-way connector:

  • 1: signal
  • 2: diesel temperature sensor earth
Atmospheric pressure sensor DELPHI Integrated in the ECU
Accelerometer SAGEM Resistance not measurable

2-way connector:

  • 1: signal
  • 2: accelerometer earth
Engine coolant temperature sensor ELTH Negative temperature coefficient thermistor

Resistance:

  • 76000 +/- 7000 Ω à -40¸C
  • 12500 +/- 1130 Ω à -10¸C
  • 2252 +/- 112 Ω à 25¸C
  • 810 +/- 40 Ω à 50¸C
  • 280 +/- 8 Ω à 80¸C
  • 115 +/- 3 Ω à 110¸C
  • 88 +/- 2 Ω à 120¸C

4-way connector:

  • 3: signal
  • 4: engine coolant temperature sensor earth
Boost air pressure and temperature sensor BOSCH / LDF6T 20-250 Pressure sensor with negative temperature coefficient thermistor

Supply voltage +5 V

Resistance:

  • 20376 +/- 1110,5 Ω à -25¸C
  • 15614 +/- 829 Ω à -20¸C
  • 9426 +/- 475 Ω à -10¸C
  • 5887 +/- 281,5 Ω à 0¸C
  • 3791 +/- 172,5 Ω à 10¸C
  • 2511 +/- 109 Ω à 20¸C
  • 1715,5 +/- 71 Ω à 30¸C
  • 1200 +/- 47 Ω à 40¸C
  • 851 +/- 32 Ω à 50¸C
  • 612 +/- 22 Ω à 60¸C
  • 446 +/- 15 Ω à 70¸C
  • 330 +/- 11 Ω à 80¸C

4-way connector:

  • 1: earth
  • 2: air temperature sensor signal
  • 3: supply +5 V
  • 4: pressure sensor signal
Exhaust gas recirculation (EGR) solenoid valve PIERBURG Supply voltage +12 V

Resistance: pins 1 and 5: 8 +/- 0.5 Ω at 20°C
Exhaust gas recirculation (EGR) valve position sensor PIERBURG Supply voltage +5 V

Integrated into the exhaust gas recirculation (EGR) valve

Resistance:

  • pins 2 and 4: 4 +/- 1.6 kΩ at 20°C

6-way connector:

  • 1: solenoid valve power supply, + battery via the protection and switching unit
  • 2: sensor power supply, +5 V
  • 3: not used
  • 4: sensor earth
  • 5: solenoid valve earth
  • 6: sensor signal
Refrigerant pressure sensor TEXAS INSTRUMENTS Supply voltage +5 V

3-way connector:

  • A: earth
  • B: + 5 V supply
  • C: signal
Diagnostic

-

 diagnostic tool: CLIP only

F9Q

Caractéristiques
Caractéristiques
Designation Make - Type Special notes
High-pressure pump BOSCH CP3 Pressure from 300 to 1350 bar
Fuel pressure sensor BOSCH Screwed onto the rail

Tightening torque: 3.5 +/- 0.5 daN.m
Injectors BOSCH Solenoid injector

Resistance: <2 Ω

Operating pressure: 1300 bar

Maximum pressure: 1525 bar
Pressure regulator BOSCH Screwed onto the high-pressure pump

Resistance: 3 +/- 0.1 Ω at 20°C

Tightening torque: 0.6 daN.m
Injection ECU BOSCH EDC 16 112-pin ECU
Pre/post-heating unit (located behind the front left wheel arch liner) NAGARES BED/7-12 With pre/post-heating function controlled by the ECU
Glow plugs BERU or CHAMPION Resistance: 0.6 Ω, connector disconnected
Engine speed sensor MGI Resistance: 720 to 880 Ω at 20°C
Camshaft sensor ELECTRIFIL

-
Accelerator pedal potentiometer CTS Dual-track potentiometer

Resistance:

  • track 1: 1700 +/- 900 Ω
  • track 2: 3875 +/- 1025 Ω
Intake air temperature sensor SIEMENS Integrated into the air flow meter
Fuel temperature sensor ELTH Resistance: 2050 Ω at 25°C
Engine coolant temperature sensor ELTH Resistance: 2252 Ω +/- 112 at 25°C
Air flow meter SIEMENS Air flow meter with integrated intake air temperature sensor
  • pin 1: air temperature
  • pin 2: earth
  • pin 3: 5 V reference
  • pin 4: + 12 V after injection relay
  • pin 5: air flow signal
  • pin 6: earth
Boost pressure sensor BOSCH Output voltage, ignition on, engine off (between pins 2 and 3):
  • = 1.6 V at atmospheric pressure of 1013 mbar
  • >1.6 V at atmospheric pressure >1013 mbar
  • <1.6 V at atmospheric pressure <1013 mbar

Replace the seal every time it is removed
Atmospheric pressure sensor

-

 Integrated in the ECU
Exhaust gas recirculation (EGR) solenoid valve PIERBURG Track resistance: 8 +/- 0.5 Ω at 20°C (pins 1 and 5)

Sensor resistance: 4 kΩ at 20°C (pins 2 and 4)
Throttle flap solenoid valve (engine stop solenoid valve) BITRON or EATON Resistance: 46 +/- 3 Ω at 25°C
Boost pressure control solenoid valve PIERBURG Resistance: 15.4 +/- 0.7 Ω at 20°C
Turbocharger ALLIED SIGNAL Calibration
  • At a vacuum of 265 mbar, the rod must travel between 0.5 and 3.5 mm
  • At a vacuum greater than 600 mbar, the rod must be at its stop
Diagnostic diagnostic tool: CLIP only

Test yourself

A quick Renault Megane quiz: every answer comes with an explanation and a link to the manual page.