13B-104V4 MR-372-J84-13B000$070.mif
DIESEL INJECTION
Fault finding – Conformity check13B
DDCR INJECTION
Vdiag No.: 44, 48
MAIN STATUSES AND PARAMETERS OF THE COMPUTER:
NOTESOnly check conformity after a full check with the diagnostic tool.
The values shown in this conformity check are given as examples.
Application conditions: Engine off, ignition on.
FunctionParameter or Status
Check or actionDisplay and notes Fault finding
Battery
voltagePR074: Battery
voltage.13 V < PR074 < 14 VIf there is a fault, apply the
fault finding procedure for
the "Charge circuit".
Engine speedPR055: Engine
speed.
Cold: 900 rpm.
Warm: 805 rpm.Indicates the engine's speed of
rotation in rpm.In the event of a fault, apply
the fault finding procedure for
DF005 "Engine speed sensor
circuit".
Accelerator
pedal positionPR030: Accelerator
pedal position.
0%Indicates the position of
the accelerator pedal as a %.
PR030 = 0 %In the event of a fault,
apply the fault finding
procedures for Pedal sensor
circuit gang 1 and gang 2
(DF008 and DF009)
and DF113 Sensor supply
voltage.
Coolant
temperaturePR064: Coolant
temperature.
Warm: 90°CIndicates the coolant
temperature in °C.
Default value: 80°CIn the event of a fault, consult
the interpretation of
parameter PR064 Coolant
temperature.
External air
temperaturePR061: External air
temperature.Gives the external air
temperature in °C. This
parameter is controlled by the
UCH and transmitted to the
injection via the multiplex
network.
Default value: 20°CIn the event of a fault, apply
the fault finding procedure for
this fault described in the
UCH document.
Inlet air
temperaturePR059: Inlet air
temperature.
Cold = PR061
Warm: 30°CIndicates the inlet air
temperature in °C. This signal is
provided by the air temperature/
pressure sensor.
Default value: 20°C.In the event of a fault, refer to
the interpretation of
parameter PR059 Inlet air
temperature.
13B-105V4 MR-372-J84-13B000$070.mif
DIESEL INJECTION
Fault finding – Conformity check13B
DDCR INJECTION
Vdiag No.: 44, 48
MAIN COMPUTER STATUSES AND PARAMETERS (continued 1):
NOTESOnly check conformity after a full check with the diagnostic tool.
The values shown in this conformity check are given as examples.
Application conditions: Engine off, ignition on.
FunctionParameter or Status
Check or actionDisplay and notes Fault finding
Fuel
temperaturePR063: Fuel
temperature.
Cold = PR064
Warm: 50°CGives the fuel temperature
in °C. This value is supplied by
"the fuel temperature sensor".
Default value: 30°C.In the event of a fault, apply
the fault finding procedure for
fault DF098 "Fuel temperature
sensor circuit".
Air circuit
pressure.PR035: Atmospheric
pressure.Indicates the atmospheric
pressure in mbar. The sensor is
built into the computer.
600 mbar < Cold < 1050 mbar
600 mbar < Warm < 1050 mbar.If not consistent, check that
PR035 = PR032 = local
atmospheric pressure, with
the engine stopped and
the ignition on.
PR032: Inlet pressure.Indicates the pressure in the
inlet circuit in mbar.
PR032 = Local atmospheric
pressure.
Rail pressurePR038: Rail pressure.
Cold: 260 bar.
Warm: 230 bar.Indicates the pressure, in bar, of
the diesel fuel in the injector
rail. This pressure is supplied
by the sensor on the rail.
Default value: 2000 barIn the event of a fault apply
the fault finding procedure for
fault DF007 "Rail pressure
sensor circuit".
EngineET038: Engine
runningIndicates the current status of
the engine.
- UNDER + AFTER IGNITION
FEED
- UNDER STARTER
- RUNNING
- SUPPLY MAINTAINED: Supply
maintained during the power
latch phase.
- STALLED: When the engine has
stalled.
- PROTECTED: When a level 2
fault has appeared or when the
engine speed is locked at
a certain value.NONE
13B-106V4 MR-372-J84-13B000$070.mif
DIESEL INJECTION
Fault finding – Conformity check13B
DDCR INJECTION
Vdiag No.: 44, 48
MAIN COMPUTER STATUSES AND PARAMETERS (continued 2):
NOTESOnly check conformity after a full check with the diagnostic tool.
The values shown in this conformity check are given as examples.
Application conditions: Engine off, ignition on.
FunctionParameter or Status
Check or actionDisplay and notes Fault finding
Engine
immobiliserET003: Engine
immobiliser.
INACTIVEIndicates the status of the
immobiliser system.
- INACTIVE: The injection
computer has recognised the
immobiliser code transmitted by
the UCH.
- ACTIVE: The injection computer
has not recognised the
immobiliser code transmitted by
the UCH.If ACTIVE, apply
the associated Help given in
the tool.
Code
programmedET006: Code
programmed
YESIndicates whether the
immobiliser code has been
programmed into the computer.
- YES: Code is programmed.
- NO: Code was not programmed
into the injection computer.If NO, contact the Techline.
Vehicle speed PR089: Vehicle speedIndicates the vehicle speed in
mph. This parameter is
transmitted by the ABS
computer or by the vehicle
speed ECU. This signal is
transmitted to the injection
system on the multiplex
network.Test the multiplex network.
Refer to fault finding for the
ABS or the vehicle speed
ECU.
New pump
chamber fillingET637: New pump
chamber fillingCOMPLETEDIf NOT DONE, see
Replacement of components.
13B-107V4 MR-372-J84-13B000$070.mif
DIESEL INJECTION
Fault finding – Conformity check13B
DDCR INJECTION
Vdiag No.: 44, 48
STARTING SUB-FUNCTION:
NOTESOnly check conformity after a full check with the diagnostic tool.
The values shown in this conformity check are given as examples.
Application conditions: Engine off, ignition on.
FunctionParameter or Status
Check or actionDisplay and notes Fault finding
+ After ignition
computer feedET001: + After ignition
computer feed.
PRESENTIndicates + after ignition feed to
the computer.
- Present
- AbsentIn the event of a fault, carry
out the fault finding
procedure for DF047
"Computer supply voltage" or
DF015 "Main relay circuit".
StartingET076: Starting.
AUTHORISEDIndicates whether or not
starting has been authorised by
the injection.
AUTHORISED: The injection
authorises starting.
PROHIBITED: The injection
does not authorise starting.If PROHIBITED, carry out
a complete fault finding
procedure on the preheating
system.
EngineET038: Engine.
RUNNINGIndicates the current status of
the engine.
- UNDER + AFTER IGNITION
FEED
- UNDER STARTER
- RUNNING
- SUPPLY MAINTAINED: Supply
maintained during the power
latch phase.
- STALLED: When the engine
has stalled.
- PROTECTED: When a fault has
appeared or when the engine
speed is locked at a certain
value.NONE
Battery
voltagePR074: Battery
voltage.13 V < PR074 < 14 VIf there is a fault, apply
the fault finding procedure for
the "Charge circuit".
13B-108V4 MR-372-J84-13B000$070.mif
DIESEL INJECTION
Fault finding – Conformity check13B
DDCR INJECTION
Vdiag No.: 44, 48
PROTECTION SUB-FUNCTION:
NOTESOnly check conformity after a full check with the diagnostic tool.
The values shown in this conformity check are given as examples.
Application conditions: Engine off, ignition on.
FunctionParameter or Status
Check or actionDisplay and notes Fault finding
Engine
immobiliserET003: Engine
immobiliser.
INACTIVEIndicates the status of the
immobiliser system.
- INACTIVE: The injection
computer has recognised the
immobiliser code transmitted by
the UCH.
- ACTIVE: The injection computer
has not recognised the
immobiliser code transmitted by
the UCH.If ACTIVE, apply
the associated Help given in
the tool.
Code
programmedET006: Code
programmed
YESIndicates whether the
immobiliser code has been
programmed into the computer.
- YES: Code is programmed.
- NO: Code was not programmed
into the injection computer.If NO, contact the Techline.
Battery
voltagePR074: Battery
voltage.13 V < PR074 < 14 VIf there is a fault, apply
the fault finding procedure for
the "Charge circuit".
13B-109V4 MR-372-J84-13B000$070.mif
DIESEL INJECTION
Fault finding – Conformity check13B
DDCR INJECTION
Vdiag No.: 44, 48
COLD LOOP SUB-FUNCTION:
NOTESOnly check conformity after a full check with the diagnostic tool.
The values shown in this conformity check are given as examples.
Application conditions: Engine off, ignition on.
FunctionParameter or
Status Check
or actionDisplay and notes Fault finding
Air conditioning
presentET079: Air
conditioning
present.
YESIndicates whether the vehicle is fitted with air
conditioning or not.
- YES: Air conditioning is detected by the injection
computer.
- NO: Air conditioning is not detected by the
injection computer.If inconsistent with
the vehicle
equipment, perform
a multiplex network
test and apply the
associated
procedure.
Compressor
activation
requestET088:
Compressor
activation
request.
INACTIVEThe injection requests the Protection and
Switching Unit (via the multiplex network) to
start the compressor.
- ACTIVE: The multiplex network must not be faulty
on the Automatic transmission, Protection and
Switching Unit, or UCH systems. The UCH should
request the injection to be engaged. The coolant
pressure sensor must not be defective. Satisfactory
engine operating conditions (coolant temperature,
engine load etc.).
- INACTIVE: One of the above conditions has not
been met or no request has been made by the
driver, so ET004 = NO.NONE
Air conditioning
authorisedET004: Air
conditioning
authorised.
NONon operational information, designed solely
for fault finding purposes.
- YES: Satisfactory engine operating conditions
(coolant temperature, engine load, etc.). The
vehicle is not in a specific movement phase (hill
start, start from stop etc.).
- NO: One of the above conditions has not been
met or no request has been made by the driver, so
ET088 = INACTIVE.NONE
13B-110V4 MR-372-J84-13B000$070.mif
DIESEL INJECTION
Fault finding – Conformity check13B
DDCR INJECTION
Vdiag No.: 44, 48
COLD LOOP SUB-FUNCTION (continued 1):
NOTESOnly check conformity after a full check with the diagnostic tool.
The values shown in this conformity check are given as examples.
Application conditions: Engine off, ignition on.
FunctionParameter or
Status Check
or actionDisplay and notes Fault finding
Refrigerant
pressurePR037:
Refrigerant
pressure.Gives the value in BAR for the
refrigerant fluid in the system.
2 bar < PR037 < 27 bar
Default value: 0 barIf there is a fault apply the
fault finding procedure for
DF049 "Refrigerant sensor
circuit". If the fault is still
present, replace the
refrigerant sensor.
Engine speedPR055: Engine
speed.
Cold: 900
RPM
Warm: 805 rpm.Shows the engine's speed of rotation in
RPMIn the event of a fault, apply
the fault finding procedure for
DF005 "Engine speed sensor
circuit".
Fast idle speed
requestET023: Fast
idle speed
request.
ABSENTThe UCH requests fast idle speed from
the injection.
- ABSENT: The UCH did not make
a request.
- PRESENT: The UCH made a request.If ET023 is inconsistent, test
the multiplex network using
the diagnostic tool. If the test
is correct, consult the fault
finding procedure for the
UCH.
Coolant
temperaturePR064: Coolant
temperature.
Warm: 90 °CIndicates the coolant temperature in °C.
Default value: 80°CIn the event of a fault, consult
the interpretation of
parameter PR064 Coolant
temperature.
Vehicle speedPR089: Vehicle
speed.Indicates the vehicle speed in mph.
This parameter is transmitted by the
ABS computer or by the vehicle speed
ECU. This signal is transmitted to the
injection system on the multiplex
network.Test the multiplex network.
Refer to fault finding for
the ABS or the vehicle speed
ECU.
13B-111V4 MR-372-J84-13B000$070.mif
DIESEL INJECTION
Fault finding – Conformity check13B
DDCR INJECTION
Vdiag No.: 44, 48
COLD LOOP SUB-FUNCTION (continued 2):
*When the air conditioning is requested with the engine idling and the vehicle speed = 0 mph (0 km/h),
ET022 will always be ACTIVE and ET021 INACTIVE (unless refrigerant pressure > 15 bar, vehicle speed
= 0 mph (0 km/h) and high coolant temperature). The fan assemblies are disabled under certain coolant
temperature conditions when driving.
When the UPC stops receiving multiplex transmissions from the injection, the fan assemblies are
constantly activated.
NOTESOnly check conformity after a full check with the diagnostic tool.
The values shown in this conformity check are given as examples.
Application conditions: Engine off, ignition on.
FunctionParameter or
Status Check or
actionDisplay and notes Fault finding
Power consumed
by the air
conditioning
compressorPR125: Power
consumed by the
air conditioning
compressor.
0 WATTIndicates the power consumed by the
compressor.NONE
Fan assembly
speed request*ET022: Low speed
fan assembly
request.
INACTIVE.The injection requests the UPC to start the fans.
- INACTIVE: The request was not made by the
injection because ET088 = INACTIVE and ET004
=NO.
- ACTIVE: The request was made by the injection.
ET088 = ACTIVE and ET004 = YES.
(Correct refrigerant pressure and vehicle speed
= 0 mph (0 km/h) or high coolant temperature).
NONE
ET021: High
speed fan
assembly request.
INACTIVE.The injection requests the UPC to start the fans.
- INACTIVE: The request was not made by the
injection because ET088 = INACTIVE and ET004
=NO.
- ACTIVE: The request was made by the injection.
ET088 = ACTIVE and ET004 = YES.
(Refrigerant pressure > 15 bar and vehicle speed
= 0 mph or high engine coolant temperature).