Engine Code CMPA
Component Locations Overview
1 - Mass Airflow (MAF) Sensor (G70)
• Removing and installing, refer to => [ Mass Airflow Sensor (G70) ] Mass Airflow Sensor (G70)
2 - Heated Oxygen Sensor (HO2S) (G39) and Oxygen Sensor (O2S) Heater (Z19)
• Component location, refer to => [ Oxygen Sensors ]
• Removing and installing, refer to => [ Heated Oxygen Sensor (G39) and Oxygen Sensor Heater (Z19) ] Heated Oxygen Sensor (G39) and Oxygen Sensor Heater (Z19)
3 - Heated Oxygen Sensor (HO2S) (G39) Connector
• Component location, refer to => [ Ignition Coils and Adjusting Elements ]
4 - Oxygen Sensor (O2S) after Three Way Catalytic Converter (TWC) (G130) and Heater for Oxygen Sensor (O2S) 1 after Catalytic Converter (Z29)
• Component location, refer to => [ Oxygen Sensors ]
• Removing and installing, refer to => [ Oxygen Sensor after Three Way Catalytic Converter (G130) and Heater for Oxygen Sensor 1 after Catalytic Converter (Z29) ] Oxygen Sensor After Three Way Catalytic Converter (G130) and Heater For Oxygen Sensor 1 After Catalytic Converter (Z29)
5 - Fuel Pressure Regulator Valve (N276)
• Component location, refer to => [ High Pressure Pump ]
6 - High Pressure Pump
• Removing and installing, refer to => [ High Pressure Pump ] Component Locations Overview
7 - Low Fuel Pressure Sensor (G410)
• Component location, refer to => [ Low Fuel Pressure Sensor ]
8 - Channel Separating Plate Vacuum Diaphragm (intake manifold flaps)
9 - Intake Manifold Runner Control (IMRC) Valve (N316)
10 - Engine Speed (RPM) Sensor (G28)
• 4.5 Nm
• Component location, refer to => [ RPM Sensor ]
11 - Evaporative Emission (EVAP) Canister Purge Regulator Valve 1 (N80)
• Component location, refer to => [ Component and Connectors ]
12 - 6-Pin Connector
• Oxygen Sensor (O2S) after Three Way Catalytic Converter (TWC) (G130) and Heater for Oxygen Sensor (O2S) 1 after Catalytic Converter (Z29)
• Component location, refer to => [ Component and Connectors ]
13 - Connectors
• For Knock Sensor (KS) 1 (G61) , IMRC, fuel pressure sensor, intake manifold runner position sensor, Engine Coolant Temperature (ECT) sensor (G62) , Camshaft Position (CMP) sensor (G40) and fuel injectors N30...N33
• Component location, refer to => [ Connectors ]
14 - Throttle Valve Control Module (J338) , Electronic Power Control (EPC) Throttle Drive (G186)
• EPC throttle drive angle sensor 1 (G187) and EPC throttle drive angle sensor 2 (G188)
• Each time the throttle valve control module is removed and installed or replaced, it must be adapted to the Engine Control Module (ECM) (J623)
15 - Engine Control Module (ECM) (J623)
• Component location, refer to => [ Engine Control Module (ECM) ]
• Removing and installing, refer to => [ Engine Control Module (J623) ] Service and Repair
16 - Charge Air Pressure Sensor (G31)
• Component location, refer to => [ Charge Air Pressure Sensor ]
17 - Intake Manifold Vacuum Connection
18 - Cold Start Injector (N17)
• Component location, refer to => [ Cold Start Injector ]
19 - Knock Sensor (KS) 1 (G61)
• 20 Nm
• In order to remove, the coolant pump and coolant thermostat must be removed
• Removing and installing, refer to => [ Knock Sensor 1 (G61) ] Service and Repair
20 - Intake Air Temperature (IAT) Sensor (G42)
21 - Engine Coolant Temperature (ECT) Sensor (G62)
• Component location, refer to => [ ECT Sensor ]
22 - Oil Pressure Regulation Valve (N428)
• Component location, refer to => [ Oil Pressure Regulation Valve ]
23 - Reduced Oil Pressure Switch (F378)
• Component location, refer to => [ Oil Pressure Switch ]
24 - Fuel Pressure Sensor (G247)
• Removing and installing, refer to => [ Fuel Pressure Sensor (G247) ] Service and Repair
25 - Oil Pressure Switch (F22)
• Component location, refer to => [ Oil Pressure Switch ]
26 - Intake Manifold Runner Position Sensor (G336)
• If the intake manifold is replaced, the intake manifold runner position sensor must be adapted to the ECM.
27 - Camshaft Adjustment Valve 1 (N205)
• Component location, refer to => [ Camshaft Adjustment Valve 1 ]
28 - Camshaft Position (CMP) Sensor (G40)
29 - Ignition Coils with Power Output Stages
• Component location, refer to => [ Ignition Coils and Adjusting Elements ]
• The ignition coils must be pulled out of the cylinder head using the ignition coil puller (T40039)
• Removing and installing, refer to => [ Ignition Coils with Power Output Stages ] Service and Repair
30 - Turbocharger Recirculating Valve (N249)
• Installed directly on the turbocharger
31 - Cam Adjustment Actuator
• Cam adjustment actuator 1 (F366)
• Cam adjustment actuator 2 (F367)
• Cam adjustment actuator 3 (F368)
• Cam adjustment actuator 4 (F369)
• Cam adjustment actuator 5 (F370)
• Cam adjustment actuator 6 (F371)
• Cam adjustment actuator 7 (F372)
• Cam adjustment actuator 8 (F373)
• Component location, refer to => [ Ignition Coils and Adjusting Elements ]
32 - Wastegate Bypass Regulator Valve (N75)
• Installed directly on the turbocharger
A - Fuel Pump Control Module (J538)
• Component location, refer to => [ Fuel Pump (FP) Control Module ]
B - Brake Lamp Switch (F) and Brake Pedal Switch (F47)
• Component location, refer to => [ Clutch Position Sensor ]
• In footwell at brake pedal
C - Clutch Position Sensor (G476)
• Only on vehicles with a manual transmission
• Component location, refer to => [ Clutch Position Sensor ]
D - Accelerator Pedal Position Sensor (G79) and Accelerator Pedal Position Sensor 2 (G185)
• Component location, refer to => [ Accelerator Pedal Position Sensor and Accelerator Pedal Position Sensor 2 ]
• On accelerator pedal (both sensors are stored in one housing)
E - Coolant Fan Control Module (J293)
• Installed inside the coolant fan
F - Fuel Injectors
• Cylinder 1 fuel Injector (N30)
• Cylinder 2 fuel Injector (N31)
• Cylinder 3 fuel Injector (N32)
• Cylinder 4 fuel Injector (N33)
• Removing and installing, refer to => [ Fuel Injectors ] Fuel Injectors
Fuel injectors referred to here are high pressure fuel injectors. They inject fuel directly into the cylinder under high pressure (max. approximately 120 bar).
G - After-Run Coolant Pump (V51)
• Not installed on all vehicles (extreme hot climate countries)
H - Left Electrohydraulic Engine Mount Solenoid Valve (N144)
• Not installed in all vehicles (depends on the transmission)
I - Fuel Quality Sensor (G446)
• Component location, refer to => [ Fuel Quality Sensor ]
Engine Control Module (ECM)
Fuel Pump (FP) Control Module - 1 -
Accelerator Pedal Position Sensor and Accelerator Pedal Position Sensor 2
Clutch Position Sensor - 2 -
Integrated functions: clutch pedal starter interlock switch (F194) and clutch pedal switch (F36) (manual transmission only)
1 Brake lamp switch and brake pedal switch
Oil Pressure Switch
1 Oil pressure switch connector
2 Oil pressure switch
3 Reduced oil pressure switch
4 Reduced oil pressure switch connector
Oil Pressure Regulation Valve - 3 -
Ignition Coils and Adjusting Elements
1 Low fuel pressure sensor (G410)
2 Ignition coil 1 with power output stage (N70)
3 Ignition coil 2 with power output stage (N127)
4 Ignition coil 3 with power output stage (N291)
5 Ignition coil 4 with power output stage (N292)
6 Oxygen sensor (G39) connector
7 Cam adjustment actuator 2 (F367) (for cylinder 1)
8 Cam adjustment actuator 1 (F366) (for cylinder 1)
9 Cam adjustment actuator 3 (F368) (for cylinder 2)
10 Cam adjustment actuator 4 (F369) (for cylinder 2)
11 Cam adjustment actuator 6 (F371) (for cylinder 3)
12 Cam adjustment actuator 5 (F370) (for cylinder 3)
13 Cam adjustment actuator 7 (F372) (for cylinder 4)
14 Cam adjustment actuator 8 (F373) (for cylinder 4)
Fuel Pressure Sensor (G247) - 1 -
Intake Manifold Runner Control Valve (N316) - 2 -
1 Intake manifold flap vacuum diaphragm
Intake Manifold Runner Position Sensor (G336) - 1 -
Camshaft Position Sensor (G40) - 1 -
Connectors
1 From EVAP canister purge regulator valve 1 (N80)
2 From the KS 1
3 (14-pin) IMRC valve, fuel pressure sensor, intake manifold runner position sensor, ECT sensor and CMP sensor
4 (8-pin) from fuel injectors N30 to N33
5 from the throttle valve control module
6 IAT sensor
High Pressure Pump
1 Fuel pressure regulator valve
2 Fuel high pressure pump
- arrows - bolts
Low Fuel Pressure Sensor - 1 -
RPM Sensor - 2 -
Camshaft Adjustment Valve 1 - arrow -
ECT Sensor - 1 -
It is installed under the intake manifold inside the coolant pump.
Charge Air Pressure Sensor - 1 -
Cold Start Injector - 1 -
Component and Connectors
1 EVAP canister purge regulator valve 1
2 Oxygen Sensor (O2S) after Three Way Catalytic Converter (TWC) (G130) and Heater for Oxygen Sensor (O2S) 1 after Catalytic Converter (Z29)
Oxygen Sensors
1 Oxygen Sensor (O2S) after Three Way Catalytic Converter (TWC) (G130) and Heater for Oxygen Sensor (O2S) 1 after Catalytic Converter (Z29)
2 Heated Oxygen Sensor (HO2S) (G39) and Oxygen Sensor (O2S) Heater (Z19)
Components on Turbocharger
1 Turbocharger
2 Turbocharger vacuum diaphragm
3 Wastegate bypass regulator valve
4 Turbocharger recalculating valve (note the installation position, next illustration)
Observe Installed Location of Turbocharger Recirculating Valve
Fuel Quality Sensor - 1 -
The fuel quality sensor is installed on the underbody on the right side (- arrow - pointing in the direction of travel).