Page 116 of 198

13B-116V4 MR-372-J84-13B000$070.mif
DIESEL INJECTION
Fault finding – Conformity check13B
DDCR INJECTION
Vdiag No.: 44, 48
AIR CIRC. SUB-FUNCTION (TURBO/INLET):
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
Inlet air
temperature
(invalid for
K9K 728)PR059:
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: 30°C.In the event of a fault,
refer to the
interpretation of
parameter PR059 Inlet
air temperature.
Air circuit
pressure.PR035: Atmospheric
pressure.Indicates the atmospheric pressure
in mbar. The sensor is built into
the computer.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.
Air flow.PR132: Air flow.
350 < Cold < 400 mg/st
300 < Cold < 350 mg/stAir flow estimated by the injection
computer.NONE
Inlet temperature
sensor voltagePR081: Inlet temperature
sensor voltage.Indicates the voltage, in volts,
delivered by the computer to
supply the inlet temperature
sensor.NONE
Engine speedPR055: Engine speed.
Cold: 900 rpm.
Warm: 805 rpmIndicates 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".
Page 117 of 198
13B-117V4 MR-372-J84-13B000$070.mif
DIESEL INJECTION
Fault finding – Conformity check13B
DDCR INJECTION
Vdiag No.: 44, 48
ENGINE COOLING 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
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.
Page 118 of 198

13B-118V4 MR-372-J84-13B000$070.mif
DIESEL INJECTION
Fault finding – Conformity check13B
DDCR INJECTION
Vdiag No.: 44, 48
DRIVER PARAMETERS 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
Accelerator pedal
positionPR030: Accelerator
pedal position.
0%.Shows the pedal position
between NO LOAD and FULL
LOAD as a percentage.
0% < PR030 < 100%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.
Pedal
potentiometer
gang voltagesPR086: Pedal
potentiometer gang 1
voltage.
16%Shows the percentage of feed
voltage on gangs 1 and 2 of the
pedal potentiometer.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. PR088: Pedal
potentiometer gang 2
voltage.
7%10% < PR086 < 20%
5% < PR088 < 15%
Page 119 of 198

13B-119V4 MR-372-J84-13B000$070.mif
DIESEL INJECTION
Fault finding – Conformity check13B
DDCR INJECTION
Vdiag No.: 44, 48
EMISSION CONTROL/OBD 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
EGR valve
controlET008: EGR valve control.
INACTIVEIndicates the EGR valve control
status.
- INACTIVE: The valve is not
controlled by the computer.
- ACTIVE: The valve is controlled by
the computer.NONE
Atmospheric
pressurePR035: Atmospheric
pressure.Indicates the atmospheric
pressure in mbar. The sensor is
built into the computer.If not consistent, check
that PR035 = PR032 =
local atmospheric
pressure, with the
engine stopped
and the ignition on.
Air flowPR132: Air flow.
350 < Cold < 400 mg/st
300 < Cold < 350 mg/stAir flow estimated by the injection
computer.NONE
Fuel flowPR017: Fuel flow.
10 < Cold < 12 mg/st
4 < Warm < 6 mg/st.Gives the fuel flow at the high
pressure pump outlet in mg/st.NONE
EGR valve
opening setpointPR005: EGR valve opening
setpoint.
Warm: 20%Gives a theoretical EGR valve
opening value for optimum engine
operation.
PR005 = PR051NONE
EGR valve
position
feedbackPR051: EGR valve position
feedback.
Warm approximately 20 %Shows the true EGR valve
position.
Default value: 30%NONE
Page 120 of 198

13B-120V4 MR-372-J84-13B000$070.mif
DIESEL INJECTION
Fault finding – Conformity check13B
DDCR INJECTION
Vdiag No.: 44, 48
SUB-FUNCTION: ANTIPOLLUTION/OBD (cont.):
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
EGR valve
position sensor
voltagePR077: EGR valve position
sensor voltage.Indicates the EGR valve voltage
according to its position.
- INACTIVE: The valve is not
controlled by the computer.
- ACTIVE: The valve is controlled
by the computer.
0.5 V < PR077 < 4.8 VNONE
Accelerator pedal
positionPR030: Accelerator pedal
position.
0%.Shows the pedal position
between NO LOAD and FULL
LOAD as a percentage.
0< PR030 < 100%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.
Page 121 of 198

13B-121V4 MR-372-J84-13B000$070.mif
DIESEL INJECTION
Fault finding – Conformity check13B
DDCR INJECTION
Vdiag No.: 44, 48
CRUISE CONTROL / SPEED LIMITER 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
Cruise control/
speed limiterET042:
Cruise control/
speed limiterNOT DETECTED: Vehicle not equipped
with the cruise control - speed limiter
function buttons, OR after
reprogramming the injection computer,
the switch is in the rest position.
INACTIVE: when no buttons are
pressed
SPEED LIMITER: Main switch in speed
limiter position.
CRUISE CONTROL: Main switch in
cruise control position.Consult the interpretation of
status ET042 Cruise
control - speed limiter.
ET703: Cruise
control/speed
limiter buttonsINACTIVE: No cruise control - speed
limiter buttons are pressed. These
buttons are located on the steering
wheel.
PLUS: When the cruise control - speed
limiter + button is pressed. This button is
on the steering wheel, on the left-hand
side.
- MINUS: When the cruise control -
speed limiter - button is pressed. This
button is on the steering wheel, on the
left-hand side.
- SUSPEND: When the cruise control -
speed limiter 0 button is pressed. This
button is located on the steering wheel,
to the right.
- RESUME: When the cruise control -
speed limiter R button is pressed. This
button is located on the steering wheel,
to the right.Consult the interpretation of
status ET703 Cruise
control - speed limiter
button.
Page 122 of 198

13B-122V4 MR-372-J84-13B000$070.mif
DIESEL INJECTION
Fault finding – Conformity check13B
DDCR INJECTION
Vdiag No.: 44, 48
CRUISE CONTROL - SPEED LIMITER 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
Brake contactET704: Brake
switch No. 1- INACTIVE
- ACTIVE (brake pedal depressed)Consult the interpretation of
status ET704 Brake switch
No. 1.
ET705: Brake
switch No. 2- ACTIVE (brake pedal released)
- INACTIVEConsult the interpretation of
status ET705 Brake switch
No. 2.
Clutch pedal
switchET405: Clutch
pedal switch- ACTIVE
- INACTIVEIn the event of a fault,
consult the interpretation of
status ET405 Clutch
switch.
Cruise control
setpointPR130: Cruise
control
setpointIndicates the reference value requested by
the driver (in mph (km/h))NONE
Vehicle speedPR089: Vehicle
speed0 mph (km/h)
Gives the vehicle speed in mph (km/h). This
parameter is transmitted by the ABS computer
or vehicle speed ECU*. This signal is
transmitted to the injection on the multiplex
network.Test the multiplex
network. See fault finding
for the ABS system or the
vehicle speed ECU*.
Page 123 of 198

13B-123V4 MR-372-J84-13B000$070.mif
DIESEL INJECTION
Fault finding – Conformity check13B
DDCR INJECTION
Vdiag No.: 44, 48
CRUISE CONTROL - SPEED LIMITER SUB-FUNCTION (continued 2):
*ECU: Electronic control unit
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
Cruise control -
speed limiter
deactivationET415: Cruise
control/speed
limiter
deactivationNONE: This status is present on the diagnostic
tool when:
The computer has been reinitialised,
The computer has been reprogrammed.
- STATUS 1: Traction control request
- STATUS 2: Brake pedal depressed.
- STATUS 3: Clutch pedal depressed.
- STATUS 4: Suspend button pressed
- STATUS 5: Cruise control or speed limiter
monitoring.
- STATUS 6: Gear lever in neutral
(manual gearbox) or neutral position
(automatic transmission).
- STATUS 7: Inconsistency between
the request and the vehicle speed.
- STATUS 8: Automatic transmission in defect
mode.
- STATUS 9: Vehicle speed monitoring.
- STATUS 10: Monitoring by the injection
computer.In the event of a fault,
consult the interpretation
of status ET415 "Cruise
control/speed limiter
deactivation".