1995 RENAULT MEGANE SCENIC Service Repair Manual

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Page 249 of 2492

RENAULT MEGANE SCENIC 1995 Service Repair Manual INJECTION
Engine immobiliser function
17
This vehicle is fitted with a 2nd generation engine immobiliser system.
REPLACING THE INJECTION COMPUTER
The computers are supplied uncoded but are capable of

INJECTION
Engine immobiliser function
17
This vehicle is fitted with a 2nd generation engine immobiliser system.
REPLACING THE INJECTION COMPUTER
The computers are supplied uncoded but are capable of being programmed with a code.
When replacing the computer, the vehicle code must be programmed in and then check that the immobiliser
system is operational.
To do this, carry out the following operations:
•Vehicle fitted with a PLIP engine immobiliser system
- Lock and unlock the doors using the PLIP.
- Turn the ignition on for a few seconds.
- Lock the doors using the PLIP, the immobiliser function is operational.
•Vehicle fitted with a coded key engine immobiliser system
Turn the ignition on for a few seconds then turn it off again.
CHECKING THE IMMOBILISER FUNCTION
•Vehicle fitted with a PLIP engine immobiliser system
- Turn the ignition off, lock the doors from inside the vehicle using the PLIP. The red immobiliser
warning light should flash.
- Turn the ignition on, The red immobiliser warning light should flash twice as fast.
•Vehicle fitted with a coded key engine immobiliser system
Remove the key from the ignition switch, after 10 seconds the red immobiliser warning light should flash.
TESTING AN UNCODED INJECTION COMPUTER FROM STOCK OR FROM A VEHICLE NOT FITTED WITH AN
IMMOBILISER SYSTEM
To avoid coding the injection computer before the test, it is vital to cut the + 12 V before ignition feed to the
immobiliser system. Remove the passenger compartment connection unit fuse (F39) (for more details, refer
to section 82).
NOTE : if the injection computer has been coded by mistake, a method exists for decoding it (refer to section
82).
SPECIAL NOTES
Using the XR25 it is possible to see if the injection computer is coded. The computer is uncoded if bargraph 2
right hand side is illuminated and if *22 = 2 DEF
A CODED COMPUTER FITTED TO A VEHICLE WITH AN ENGINE IMMOBILISER MAY NOT BE USED FOR TESTING
ANOTHER VEHICLE, REGARDLESS OF WHETHER THIS VEHICLE HAS AN ENGINE IMMOBILISER OR NOT.
17-25

Page 250 of 2492

RENAULT MEGANE SCENIC 1995 Service Repair Manual INJECTION
Computer configuration as a function of the gearbox type17
F3R engine
The display shows:
CONFIGURING THE COMPUTER DEPENDING ON GEARBOX TYPE (MANUAL OR AUTOMATIC)
Each time the injection com

Page 251 of 2492

RENAULT MEGANE SCENIC 1995 Service Repair Manual INJECTION
Computer configuration as a function of the gearbox type17
F3R engine
To check that storing has been correctly carried out, turn the ignition on using fault finding fiche n° 27, bar-
graph

Page 252 of 2492

RENAULT MEGANE SCENIC 1995 Service Repair Manual INJECTION
Injection strategy / Automatic transmission
17
AUTOMATIC TRANSMISSION COMPUTER CONNECTION TO INJECTION COMPUTER
"Park"/"Neutral" position and torque reduction information.
These two items of

Page 253 of 2492

RENAULT MEGANE SCENIC 1995 Service Repair Manual INJECTION
Injection strategy / air conditioning
17
AIR CONDITIONING / INJECTION COMPUTER CONNECTION
The electrical connection:
- from the air conditioning computer to the injection computer is by one

Page 254 of 2492

RENAULT MEGANE SCENIC 1995 Service Repair Manual INJECTION
Injection strategy / air conditioning
17
4.Air conditioning operation information becomes OFF, the injection computer, anticipating the drop in
load due to the releasing of the compressor cl

Page 255 of 2492

RENAULT MEGANE SCENIC 1995 Service Repair Manual X
INJECTION
Injection strategy / air conditioning
17
(rpm)
Idle
speed(% opening)
Idle speed
regulation
valve
(time)
(time)
12346
OFF
(12V)
fast
nominalON
(0V)
353
AC ON
running (12 V)
OFF
(0 V)
Compre

Page 256 of 2492

RENAULT MEGANE SCENIC 1995 Service Repair Manual INJECTION
Idle speed correction
17
POWER ASSISTED STEERING PRESSOSTAT - INJECTION COMPUTER CONNECTION (K7M and E7J engines)
The injection computer receives information from the power assisted steering

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