Page 135 of 204
13B-135V1 MR-376-X76-13B000$090.mif
13B
DCM 1.2 Injection
Program no.: 4C
Vdiag No.: 08
Tool Status Diagnostic tool title
ET003Engine immobiliser
ET007Pre-postheating control
ET008EGR solenoid valve control (not applicable to K9K796 Euro 2)
ET023Fast idle speed request
ET038Engine
ET039Brake pedal
ET116Climate control authorisation
ET122Brake switch no. 1 signal
ET123Brake switch no. 2 signal
ET164Configuration with air conditioning
ET200Fuel flow controller
ET227Key
ET233Clutch pedal
ET432Wastegate regulation
ET563Flow capacity function
ET637New pump chamber filling
DIESEL INJECTION
Fault finding – Status summary table
Page 145 of 204

13B-145V1 MR-376-X76-13B000$130.mif
13B
DCM 1.2 Injection
Program no.: 4C
Vdiag No.: 08
Tool command Diagnostic tool title Comments
RZ001Fault memoryThis command is used for clearing the computer's stored
faults
RZ002EGR programming adaptivesUse this command when replacing the EGR valve (not
applicable to K9K796 Euro 2).
RZ004Pressure regulation adaptivesUse this command when simultaneously replacing the four
injectors and after replacing/retightening the accelerometer.
It enables you to reset the injector adaptives.
RZ005ProgrammingThis command enables you to reinitialise the entire computer
configuration.
AC001Preheating unitActivating this controls the preheating unit to test the heater
plug supply.
AC002EGR solenoid valveActivating this enables an audible check of the mechanical
operation of the EGR valve (not applicable to K9K796
Euro 2).
AC004Turbocharging solenoid valveActivating this enables an audible check of the operation of
the turbocharging solenoid valve.
AC005Cylinder 1 injectorActivating this enables an audible check of the injector on
cylinder 1.
AC006Cylinder 2 injectorRunning this allows you to you listen to the injector on
cylinder 2 when operating.
AC007Cylinder 3 injectorActivating this enables an audible check of the injector on
cylinder 3.
AC008Cylinder 4 injectorActivating this enables an audible check of the injector on
cylinder 4.
AC010High pressure pumpActivating this lets you listen to the operation of the high-
pressure pump.
AC028Static testActivating this enables fault finding to be run on the EGR,
high pressure pump and water in fuel warning light circuits
DIESEL INJECTION
Fault finding – Command summary table
Page 146 of 204

13B-146V1 MR-376-X76-13B000$130.mif
DIESEL INJECTION
Fault finding – Command summary table13B
DCM 1.2 Injection
Program no.: 4C
Vdiag No.: 08
Tool
commandDiagnostic tool title Comments
AC029 High pressure circuit sealing testActivating this will request the injection system to detect a
leak on the high pressure circuit after a procedure has been
carried out. This is activated with the engine warm and
running and consists of unladen acceleration repeated 4
times.
AC056 Power-assisted steering
assembly relayActivating this actuates the power assisted steering pump.
AC060 Preheating warning lightActivating this actuates the preheating warning light on the
instrument panel.
AC061 Overheating warning light.Activating this actuates the engine overheating warning light
on the instrument panel.
AC068Injection fault warning light.Activating this actuates the injection fault warning light on
the instrument panel.
AC099Deactivation of electrical
consumersThis activation only deactivates the preheating function.
AC100End deactivation of electrical
consumersActivating this enables preheating to be authorised after the
injection computer has been programmed or reprogrammed
(see Replacement of components).
AC153 High-speed fan assemblyActivating this actuates the high speed fan relay to test the
supply to the high speed fan.
AC154 Fan low speed.Activating this actuates the low speed fan relay to test the
supply to the low speed fan.
AC155MIL warning lightThis activation controls the malfunction indicator light on the
instrument panel (emission control/EOBD warning light).
AC180 Air conditioning compressor
relay control.Activating this enables you to listen to the operation of the
air conditioning compressor.
AC212 New pump chamber fillingThis must only be activated after the high pressure pump
has been replaced (see Replacement of components).
This command is used to activate the pump repriming
sequence.
AC250 Heating resistor 1 relay.Activating this controls the heating resistor no. 1 relay to test
the heating resistor supply.
Page 147 of 204

13B-147V1 MR-376-X76-13B000$130.mif
DIESEL INJECTION
Fault finding – Command summary table13B
DCM 1.2 Injection
Program no.: 4C
Vdiag No.: 08
Tool
commandDiagnostic tool title Comments
AC251 Heating resistor 2 relay.Activating this controls the heating resistor no. 2 relay to test
the heating resistor supply.
AC252 Heating resistor 3 relay.Activating this controls the heating resistor no. 3 relay to test
the heating resistor supply.
AC261 Water in fuel warning lightActivating this actuates the water present in fuel warning
light; this warning light is located on the instrument panel, if
fitted to the vehicle.
SC001 Write saved dataUse this command after replacing or (re)programming the
computer (if the data were saved using command SC003
Save computer data).
SC002 Enter injector codesThis command enables you to manually write the calibration
code marked on the injectors. Run this command after
replacing the injectors.
SC003 Save computer dataThis command saves the computer operating data, C2I
(individual injector correction) parameters and engine
programming adapters. Run this command before replacing
or (re)programming the computer.
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