2010 RENAULT SCENIC Vdiag No.: 4C 54

PETROL INJECTION
Fault finding - Fault Finding Chart
17B
17B-225
PETROL INJECTION
Fault finding - Fault Finding Chart
17B
17B-225V9 MR-372-J84-17B050$940.mif
S3000 Injection
Program No.: AD
Vdiag No.:4C / 54PETROL INJECTION
Fault finding - Fault Finding Chart
ALP 1 No dialogue with the computer
NOTESNone.
Test the diagnostic tool on another vehicle which is in perfect working order.
Check that the sensor's green indicator light comes on.
If you cannot establish dialogue with the second vehicle, refer to CLIP diagnostic tool check.
If there is no dialogue with the second vehicle, follow the instructions in the Vehicle check section.
CLIP
DIAGNOSTIC
TOOL CHECK
VEHICLE CHECK
Check the cleanliness and condition of the diagnostic socket contacts which connect
to the vehicle.
Check the condition of the cable from the diagnostic socket to the sensor, and the
cleanliness and condition of the connections.
Check the sensor connections.
Check the condition of the cable from the sensor to the CLIP tool, and the cleanliness
and condition of the connections.
Check the cleanliness and condition of the CLIP socket.
If the fault is still present, contact the Techline.
Check the electrical voltage of the battery.
Check the cleanliness and condition of the battery terminals.
Check the condition and tightness of the cable going from the battery + terminal to the
Protection and Switching Unit.
Check the condition of the battery earth lead and that it makes good electrical contact
with the bodywork.
Check the injection computer earth terminal for cleanliness and make sure it is properly
connected to the bodywork.
Check the injection computer after ignition feed 5A fuse F18 as well as the condition
and cleanliness of the contacts.
AFTER REPAIRRepeat the conformity check from the start.
S3000_V4C_ALP1/S3000_V54_ALP1
MR-372-J84-17B050$940.mif

PETROL INJECTION
Fault finding - Fault Finding Chart
17B
17B-226
PETROL INJECTION
Fault finding - Fault Finding Chart
17B
17B-226V9 MR-372-J84-17B050$940.mif
S3000 Injection
Program No.: AD
Vdiag No.:4C / 54
ALP 1
CONTINUED 1
VEHICLE CHECK
CONTINUED 1Using the Universal bornier, check the following tracks on the vehicle's diagnostic
socket:
Track 1 + After ignition feed
Track 16 + battery feed
Tracks 4 and 5 Earth
Repair if necessary.
Disconnect the battery and the petrol computer.
Check the cleanliness and condition of the computer connections.
Using the Universal bornier, check the continuity of the multiplex line
communication lines:
Computer, connector A, track A4 track 6 Vehicle diagnostic socket
Computer, connector A, track A3 track 14 Vehicle diagnostic socket
If the fault is still present, check the condition of intermediate connector R262.
Repair if necessary.
Check the continuity of the K communication line:
Computer, connector A, track B4 track 7 of the vehicle diagnostic
socket
If the fault is still present, check the condition of the intermediate connector (R262).
Repair if necessary.
Disconnect the computer earth terminal connection from the negative battery terminal.
Check the continuity and insulation of the following tracks:
Petrol computer, connectorC,
track L1Earth terminal
Fuel computer, connectorC,
track M1Earth terminal
Petrol computer, connectorB,
track M1Earth terminal
Petrol computer, connectorB,
track L1Earth terminal
Repair if necessary.
AFTER REPAIRRepeat the conformity check from the start.

PETROL INJECTION
Fault finding - Fault Finding Chart
17B
17B-227
PETROL INJECTION
Fault finding - Fault Finding Chart
17B
17B-227V9 MR-372-J84-17B050$940.mif
S3000 Injection
Program No.: AD
Vdiag No.:4C / 54
ALP 1
CONTINUED 2
VEHICLE CHECK
CONTINUED 2Using the universal bornier, check for insulation and continuity on the following
connection:
Computer, connectorB, track D4 track 5 of the main relay
Repair if necessary.
Using the Universal bornier, check for continuity on the following connection:
Computer, connectorB, track M2 track 1 of the main relay
Repair if necessary.
Check the condition and operation of fuse F6 (10A).
Using the Universal bornier, check for continuity on the following connection:
Computer, connector A, track D1 track 8 of the fuse box
Fuse box track8 track1 of the petrol pump relay
Repair if necessary.
If the fault is still present, contact the Techline.
AFTER REPAIRRepeat the conformity check from the start.

PETROL INJECTION
Fault finding - Fault Finding Chart
17B
17B-228
PETROL INJECTION
Fault finding - Fault Finding Chart
17B
17B-228V9 MR-372-J84-17B050$940.mif
S3000 Injection
Program No.: AD
Vdiag No.:4C / 54
ALP 2 The engine will not start
NOTESFollow ALP 2 after a complete check with the diagnostic tool.
WARNING
Never drive the vehicle without checking first that there are no throttle valve
faults.
If the starter motor does not engage, there may be an engine immobiliser fault.
Carry out fault finding on the UCH (see87B, Passenger Compartment Connection Unit).
Check the condition of the battery.
Check the cleanliness, condition and tightness of the battery terminals.
Check that the battery is correctly earthed to the vehicle bodywork.
Check that the + battery leads are correctly connected.
Check that the starter motor is properly connected.
Check the starter is working properly (see Technical Note 6014A Checking the charging circuit).
Check the condition and conformity of the spark plugs.
Check the mounting, cleanliness and condition of the flywheel signal sensor.
Check the flywheel signal sensor air gap.
Check the condition of the flywheel.
Check that the air filter is not clogged.
Check that the air inlet circuit is not blocked.
Check that there is fuel in the tank (fuel sender fault).
Check that the tank vent is not blocked.
Check that the fuel is of the correct type.
Check that there are no leaks in the fuel system, from the tank to the injectors.
Check that there are no kinked hoses (especially after a removal operation).
Check the fuel flow rate and pressure.
Check the sealing of the injectors, and that they are working properly.
Check that the exhaust system is not blocked and the catalytic converter not clogged.
Check the timing setting.
Check the cylinder compressions.
Check the hydraulic tappets if there is camshaft noise.
AFTER REPAIRRepeat the conformity check from the start.
S3000_V4C_ALP2/S3000_V54_ALP2

PETROL INJECTION
Fault finding - Fault Finding Chart
17B
17B-229
PETROL INJECTION
Fault finding - Fault Finding Chart
17B
17B-229V9 MR-372-J84-17B050$940.mif
S3000 Injection
Program No.: AD
Vdiag No.:4C / 54
ALP 3 Idle speed faults
NOTESFollow ALP 3 after a complete check with the diagnostic tool.
WARNING
Never drive the vehicle without checking first that there are no throttle valve
faults.
Check that the oil level is not too high.
Check the inlet system sealing, from the throttle to the cylinder head.
Check that the fuel vapour absorber bleed is not disconnected or jammed open.
Check that there are no leaks in the fuel vapour absorber bleed system.
Check that there are no leaks in the braking assistance system.
Check that there are no leaks in the oil vapour recovery system (manifold/cylinder head).
Check that there are no leaks around the manifold pressure sensor.
Check that there are no leaks around the air temperature sensor.
Check that the air filter is not clogged.
Check that the air inlet circuit is not blocked.
Check that throttle valve is not clogged.
Check the condition of the pencil coils and the cleanliness of their connections.
Check the electrical resistance of the pencil coil secondary circuits.
Check the condition and conformity of the spark plugs.
Check the mounting, cleanliness and condition of the flywheel signal sensor.
Check the flywheel signal sensor air gap.
Check the condition and cleanliness of the flywheel.
Check that the tank vent is not blocked.
Check that the fuel is of the correct type.
Check that there are no leaks in the fuel system, from the tank to the injectors.
Check that there are no kinked hoses (especially after a removal operation).
Check the fuel flow rate and pressure.
Check that the injectors are working properly.
Check that the exhaust system is not blocked and the catalytic converter not clogged.
Check the timing setting.
Check the cylinder compressions.
Check the hydraulic tappets if there is camshaft noise.
AFTER REPAIRRepeat the conformity check from the start.
S3000_V4C_ALP3/S3000_V54_ALP3

PETROL INJECTION
Fault finding - Fault Finding Chart
17B
17B-230
PETROL INJECTION
Fault finding - Fault Finding Chart
17B
17B-230V9 MR-372-J84-17B050$940.mif
S3000 Injection
Program No.: AD
Vdiag No.:4C / 54
ALP 4 Faults occurring while driving
NOTESFollow ALP4 after a complete check using the diagnostic tool.
(Use the relevant section in the Workshop Repair Manual to carry out certain
operations).
WARNING
Never drive the vehicle without checking first that there are no throttle valve
faults.
Check that the oil level is not too high.
Check the condition of the pencil coils and the cleanliness of their connections.
Check the electrical resistance of the pencil coil secondary circuits.
Check the condition and conformity of the spark plugs.
Check the mounting, cleanliness and condition of the flywheel signal sensor.
Check the flywheel signal sensor air gap.
Check the condition and cleanliness of the flywheel.
Check that the air filter is not clogged.
Check that the air inlet circuit is not blocked.
Check that throttle valve is not clogged.
Check the inlet system sealing, from the throttle to the cylinder head.
Check that the fuel vapour absorber bleed is not disconnected or jammed open.
Check that there are no leaks in the fuel vapour absorber bleed system.
Check that there are no leaks in the braking assistance system.
Check that there are no leaks in the oil vapour recovery system (manifold/cylinder head).
Check that there are no leaks around the manifold pressure sensor.
Check that there are no leaks around the air temperature sensor.
Check that the tank vent is not blocked.
Check that the fuel is of the correct type.
Check that there are no leaks in the fuel system, from the tank to the injectors.
Check that there are no kinked hoses (especially after a removal operation).
Check the fuel flow rate and pressure.
Check that the injectors are working properly.
Check that the exhaust system is not blocked and the catalytic converter not clogged.
Check the timing setting.
Check the cylinder compressions.
Check the hydraulic tappets if there is camshaft noise.
AFTER REPAIRRepeat the conformity check from the start.
S3000_V4C_ALP4/S3000_V54_ALP4