Page 115 of 198

13B-115V4 MR-372-J84-13B000$070.mif
DIESEL INJECTION
Fault finding – Conformity check13B
DDCR INJECTION
Vdiag No.: 44, 48
PRE-HEATING/IGNITION 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.
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
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.
Battery voltage PR074: Battery voltage.12 V < PR074 < 14 VIf there is a fault, apply
the fault finding
procedure for the
"Charge circuit".
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 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 124 of 198
13B-124V4 MR-372-J84-13B000$080.mif
13B
DDCR INJECTION
Vdiag No.: 44, 48
* RCH = passenger compartment heating resistor: TOOL STATE DIAGNOSTIC TOOL DESCRIPTION
ET001 + After ignition computer feed
ET003 Engine immobiliser
ET004 Air conditioning authorised.
ET006 Code programmed
ET008 EGR solenoid valve control
ET021 High speed fan assembly request
ET022 Low speed fan assembly request
ET023 Fast idle speed request
ET038 Engine
ET042 Cruise control/speed limiter
ET076 Starting
ET079 Air conditioning present
ET088 Compressor actuation request
ET405 Clutch pedal switch
ET415 Deactivation of cruise control/speed limiter
ET563 Flow capacity function.
ET111 RCH* number set
ET112 RCH* cut-off
ET703 Cruise control/speed limiter button
ET704 Brakecontact No 1
ET705 Brakecontact No 2
DIESEL INJECTION
Fault finding – Status summary table
Page 129 of 198

13B-129
AFTER REPAIRCarry out a road test followed by another check with the diagnostic tool.
V4 MR-372-J84-13B000$090.mif
DIESEL INJECTION
Fault finding – Interpretation of statuses13B
DDCR INJECTION
Vdiag No.: 44, 48
– Check the condition and fitting of the clutch switch.
– Check and ensure the continuity on the connection between track 1 of the clutch switch connector and track C4
of the black 32-track connector A of the injection computer.
Check and ensure that earth is on track 2 of the clutch switch connector.
Repair if necessary.
– Remove the clutch switch and test its operation:
– Replace the switch if necessary.
ET405 CLUTCH PEDAL SWITCH
NOTESSpecial note:
Only apply the checks if the INACTIVE and ACTIVE statuses are not consistent with
the pedal position.
STATUS INACTIVE with clutch pedal depressed.
Continuity between tracks insulation between tracks
Switch engaged
(Clutch pedal released)1 and 2 -
Switch released
(Clutch pedal depressed)-1 and 2
DDCR_V44_ET405/DDCR_V48_ET405
Page 130 of 198
13B-130
AFTER REPAIRCarry out a road test followed by another check with the diagnostic tool.
V4 MR-372-J84-13B000$090.mif
DIESEL INJECTION
Fault finding – Interpretation of statuses13B
DDCR INJECTION
Vdiag No.: 44, 48
– Check the condition and fitting of the clutch switch.
– Remove the clutch switch and test its operation:
– Replace the switch if necessary.
– Check and ensure the insulation against earth of the connection between track 1 of the clutch switch connector
and track C4 of the black 32-track connector A of the injection computer.
ET405
CONTINUED
STATUS ACTIVE with clutch pedal released.
Continuity between tracks insulation between tracks
Switch engaged
(Clutch pedal released)1 and 2 -
Switch released
(Clutch pedal depressed)-1 and 2
Page 137 of 198
13B-137
AFTER REPAIRCarry out a road test followed by another check with the diagnostic tool.
V4 MR-372-J84-13B000$090.mif
DIESEL INJECTION
Fault finding – Interpretation of statuses13B
DDCR INJECTION
Vdiag No.: 44, 48
ET703 CRUISE CONTROL/SPEED LIMITER BUTTONS
NOTESSpecial notes:
Only perform these tests if the statuses do not correspond with the system programming
functions.
INACTIVEStatus ET703 becomes INACTIVE when none of the cruise control - speed limiter
buttons are pressed. These buttons are located on the steering wheel.
To remove the driver's airbag to perform the checks in complete safety.
(see 88C, Airbag and pretensioners)
If status ET703 does not display INACTIVE,
• check the condition of the cruise control/speed limiter +/- button and the condition
of its connector.
• check the condition of the cruise control/speed limiter R/0 button and the condition
of its connector.
Repair if necessary.
DDCR_V44_ET703/DDCR_V48_ET703
Page 138 of 198

13B-138
AFTER REPAIRCarry out a road test followed by another check with the diagnostic tool.
V4 MR-372-J84-13B000$090.mif
DIESEL INJECTION
Fault finding – Interpretation of statuses13B
DDCR INJECTION
Vdiag No.: 44, 48
ET703
CONTINUED 1
INCREASE
Status ET703 becomes PLUS when the cruise control / speed limiter + button is
pressed. This button is on the steering wheel, on the left-hand side.
To remove the driver's airbag to perform the checks in complete safety.
(see 88C, Airbag and pretensioners)
If status ET703 does not display INCREASE, check the condition of the cruise control
- speed limiter +/- button and the condition of its connector. Repair if necessary.
Measure the resistance on the following connections while pressing
the + button (on the button tracks):
• Connection code 86G of component 331.
• Connection code 86M of component 331.
If the resistance is not approximately 300 Ωcheck the continuity of the connection
when the button is not pressed. If there is continuity, replace the +/- control button.
(see MR 364 (Mégane II), MR 370 (Scénic II), Mechanical, 83D, Cruise control,
Steering wheel switch: Removal - Refitting).
DECREASEStatus ET703 becomes DECREASE when the - button of the cruise control/speed
limiter is pressed. This button is on the steering wheel, on the left-hand side.
To remove the driver's airbag to perform the checks in complete safety.
(see 88C, Airbag and pretensioners)
If status ET703 does not change to MINUS, check the condition of the cruise control
/ speed limiter +/- button, and the condition of its connector. Repair if necessary.
If there is a repair method (see Technical Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the wiring, otherwise replace it.
Measure the resistance of the following connections while pressing the "-"
button (on the button tracks):
• Connection code 86G of component 331.
• Connection code 86M of component 331.
If the resistance is not approximately 100 Ωcheck the continuity of the connection
when the button is not pressed. If there is continuity, replace the +/- control button.
(see MR 364 (Mégane II), MR 370 (Scénic II), Mechanical, 83D, Cruise control,
Steering wheel switch: Removal - Refitting).