Installation location diagram
Right side of the engine. compartment 1. Air bypass damper valve. filter -N275-: components (bypass damper with air bypass damper valve. filter -N275-) are not installed in all variants of the set. and not for all countries; if a bypass damper is installed, it is located in the air housing. filter, and air bypass damper valve. filter -N275 is attached externally to the air housing. filter; 2. Air mass meter -G70-; 3. Hall sensor -G40- (camshaft position sensor); 4. Fuel pressure control valve -N276-; 5. Exhaust gas pressure sensor 1 -G450-: After replacement, adaptation must be carried out; 6. Electrical plug connection: exhaust temperature sender 4 -G648-; 7. Coolant temperature sensor -G62-; 8. Exhaust temperature sender 4 -G648-; 9. Used turbocharger 1-J724-; 10. Connector for exhaust gas recirculation temperature sensor -G98-; 11. El. connector for exhaust temperature sender 1 -G235-: exhaust temperature sender 1-G235-; 12. Intake manifold flap motor -V157-: cylinder bank 1; 13. Fuel pipe high pressure circuit lines; 14. High pressure fuel pump: with fuel metering valve -N290-; after replacing the injection pump "necessary" perform the first refueling (to avoid dry running); 15. Fuel metering valve -N290-: Do not open; installed directly into the fuel high pressure pump; 16. Oil pressure sensor for low pressure -F378-; 17. Fuel temperature sender -G81-; 18. Exhaust gas recirculation radiator pump -V400-; 19. Coolant temperature sensor at radiator outlet -G83-; 20. Reducing valve: in the drainage pipelines of rows 1 and 2 of cylinders; The function of the pressure reducing valve is to ensure residual pressure in the return fuel. highways (volume of control) approx. 10 bar; this amount is necessary for the operation of piezo injectors; the pressure reducing valve must be replaced only together with the fuel return lines; After replacement, run the engine for approx. 2 minutes at idle to remove air from the fuel. systems; 21. Injectors (piezo injectors): cylinder bank 1
Left side of the motor. compartment
Nodes A through J are not shown in the explosion diagram.
P. I 1. Connector for exhaust temperature sensor 3 -G495-; 2. Exhaust temperature sender 3 -G495-: installed behind the catalytic converter; 45 Nm; 3. Lambda probe -G39- with heating for lambda probe -Z19-: 50 Nm; 4. Intake manifold flap motor 2 -V275-: cylinder bank 2; 5. Connector for lambda probe -G39-; 6. Used engine -J623-; 7. Charge pressure sender -G31-: with intake air temperature sender -G42-; 8. Used throttle body -J338-: 9 Nm; 9. Fuel pressure sender -G247-: 30 Nm; 10. Injectors (piezo injectors): cylinder bank 2; 11. Exhaust gas recirculation radiator switch valve -N345-; 12. Temperature sensor in the exhaust gas recirculation system -GOS-; IS. High pressure fuel pump: with fuel metering valve -N290-; after replacing the injection pump "necessary" perform the first refueling (to avoid dry running); 14. Exhaust gas recirculation servomotor -V338-; 15. Vacuum regulator: switching flaps from the radiator of the exhaust gas recirculation system; A. Low power heating relay -J359- and high power heating relay -J360-; B. Brake signal sender -F- and foot brake pedal position sender -F47-: in the footwell on the brake pedal; C. Accelerator pedal position sender -G79- and accelerator pedal position sender 2 -G185-; D. Engine speed sender -G28-; E. Additional fuel. pump -V393-: under the right underbody protection; F. Oil pressure sensor -F22-; G. Oil pressure regulating valve -N428-; N. Additional fuel. pump -V393-; I. Exhaust gas temperature sender 1 -G235-: on the turbocharger; 45 Nm; J. Particulate filter: installed from the bottom outside on the underbody of the vehicle; a common unit with a pre-connected main catalyst; after replacement it is necessary to carry out adaptation
After replacing exhaust gas pressure sensor 1 -G450- and/or the diesel particulate filter, an adaptation must be carried out. (The operation procedure is also described in Guided Functions.) Select the appropriate vehicle in Guided Fault Finding. Press the button "Sprung (Transition) ". "Functions/Node Selection" press. Choose "Antrieb/Engine". "01 - Systems with self-diagnosis". "01 - Electronic engine systems J623". Choose "01 - Functions of engine electronic systems". "01 - Adapt particulate filter parameters".
Installation location of used engine-J623-
In the left switching block in the motor. compartment
Accelerator pedal position sender -G79- and accelerator pedal position sender 2 -G185-
The accelerator pedal position sender -G79- and accelerator pedal position sender 2 -G185- are integrated into the accelerator pedal module and cannot be replaced individually.
Coolant temperature sensor -G62-
Fuel pressure sender -G247- -1- cylinder bank 2
Installation locations on cylinder bank 1 1. Hall sensor -G40-; 2. Fuel pressure control valve -N276-; 3. Fuel temperature sender -G81-; 4. Coolant temperature sensor at radiator outlet -G83-; 5, 6. Injection modules (piezo injectors)
Fuel pressure control valve 1-N276- on cylinder bank -1-
Parts of the right bank of cylinders 1. Fuel temperature sender -G81 -; 2. Coolant temperature sensor at radiator outlet -G83-; 3. Fuel counterflow support valve
Installation locations 1. Email connector for exhaust gas recirculation temperature sensor -G98-; 2. El. connector for exhaust temperature sensor 1 -G235-; 3. El. connector for exhaust temperature sensor 3 -G495-; 4. Exhaust gas recirculation radiator switch valve -N345-; 5. Exhaust gas recirculation temperature sensor -G98-; 6. Exhaust gas recirculation servomotor -V338-
Recirculation radiator pump OF-V400--1-
Oil pressure switch for reduced pressure -F378- -arrow-
Oil pressure adjustment 1. Oil pressure sensor -F22-; 2. Oil pressure regulating valve -N428-
Charge pressure sender -G31- with intake manifold temperature sender -G42- -1- in intercooler
Installation locations 1. Exhaust gas pressure sensor 1 -G450-; 2. El. connector for exhaust temperature sensor 4 -G648-; 3. Used turbocharger 1-J724-; 4. Intake manifold flap motor -V157-; 5. El. connector for exhaust temperature sensor 1 -G235-; 6. El. Connector for exhaust gas recirculation temperature sensor -G98-
Additional fuel pump -V393- 1. Additional plug connector fuel pump -V393- (installation location may vary); 2. Fuel filter; 3. Additional fuel. pump -V393-; 4. Heating valve
Engine speed sender -G28--2-
Installation location for lambda probe -G39- 1. Lambda probe -G39-; 2. Connector for Lambda probe -G39-
Exhaust temperature sensor 1. Exhaust temperature sender 4 -G648-; 2. El. Connector for exhaust temperature sensor 4 -G648-
Exhaust temperature sensor 1-G235- -arrow-
Exhaust temperature sensor 1. Email connector for exhaust temperature sensor 3 -G495-; 2. Exhaust temperature sender 3 -G495-
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