Component Locations, overview (vehicles with engine code ALH)
The following components are not depicted in the component locations overview:
Throttle Position (TP) Sensor -G79- and Sender -2- for accelerator pedal position -G185-*
- In footwell, at accelerator pedal
- Checking. Refer to Throttle Position (TP) sensor, checking
The following components are displayed in the Component location overview:
1 - EGR Vacuum Regulator Solenoid Valve
2 - Change-over valve for intake manifold flap -N239-
- Checking. Refer to Change-over valve for intake manifold flap, checking
3 - Positive Crankcase Ventilation (PCV) Heating Element -N79-
- Check voltage supply for PCV heating element between terminals 1 and 2 of connector with ignition switched on
Specified value:
at least 11.5 V
4 - Diesel Direct Fuel Injection (DFI) Engine Control Module (ECM) -J248-*
- Checking voltage supply. Refer to Voltage supply for Diesel-Direct Fuel Injection System, checking
- Replace. Refer to Control module for Diesel-Direct Fuel Injection System, replacing
- Checking Barometric Pressure (BARO) Sensor -F96-*. Refer to Manifold Absolute Pressure (MAP) sensor and Barometric Pressure (BARO) sensor, checking , checking Manifold Absolute Pressure (MAP) sensor and Barometric Pressure (BARO) sensor
5 - Connector
- Disengage to pull off
- Switch ignition off before disconnecting or connecting connector
6 - EGR Vacuum Regulator Solenoid Valve -N18-*
- Checking. Refer to EGR Vacuum Regulator Solenoid Valve, checking
7 - Fuel injector
- Removing and installing. Refer to Injectors, removing and installing
- Checking. Refer to Injectors, checking
- For cylinder 3 with needle lift sensor
- Check Needle Lift Sensor -G80-*. Refer to Needle lift sensor, checking
8 - Wastegate Bypass Regulator Valve -N75-*
- Checking. Refer to Wastegate bypass regulator valve, checking
9 - Mass Air Flow (MAF) Sensor -G70-*
- Checking. Refer to Mass Air Flow (MAF) sensor, checking
10 - Engine Coolant Temperature (ECT) Sensor -G62-*
- For control module for Diesel-Direct Fuel Injection System
- With Engine Coolant Temperature (ECT) Sensor -G2-
- If necessary, release pressure in cooling system before removing
- Checking. Refer to Engine Coolant Temperature (ECT) sensor, checking
11 - Vacuum reservoir
12 - 10 Nm
13 - Engine Speed (RPM) Sensor -G28-*
- Checking. Refer to Sender for fuel gauge, checking
14 - O-ring
- Always replace
15 - 2-pin harness connector
- Brown
- For Needle Lift Sensor -G80-
16 - 3-pin harness connector
- For Engine Speed (RPM) Sensor -G28-
17 - 10-pin harness connector
- Black
- For Fuel Temperature Sensor -G81-
- For Cold Start Injector -N108-
- For Fuel Cut-off Valve -N109-
- For Quantity Adjuster -N146-
- For Modulating Piston Displacement Sensor -G149-
18 - Cold Start Injector -N108-*
- Checking. Refer to Cold Start Injector, checking
19 - Fuel Cut-off Valve -N109-
20 - Injection pump quantity adjuster
- With Fuel Temperature Sensor -G81-*,checking. Refer to Fuel Temperature Sensor, checking
- With Quantity Adjuster -N146-*,checking. Refer to Modulating Piston Displacement Sensor and quantity adjuster, checking
- With Modulating Piston Displacement Sensor -G149-*,checking. Refer to Modulating Piston Displacement Sensor and quantity adjuster, checking
21 - Manifold Absolute Pressure (MAP) Sensor -G71-* and Intake Air Temperature (IAT) Sensor -G72-
- Checking Manifold Absolute Pressure (MAP) Sensor. Refer to Manifold Absolute Pressure (MAP) sensor and Barometric Pressure (BARO) sensor, checking , checking Manifold Absolute Pressure (MAP) sensor and Barometric Pressure (BARO) sensor