Component Locations, Overview
Component Locations, Overview
NOTE:
- Components marked with an asterisk (*) are checked via the On Board Diagnostic (OBD) program. Testing and Inspection
- Components marked with a double asterisk (**) can be checked with the output DTM. Testing and Inspection
Components A to C are not shown on the illustration.
A - Brake Pedal Switch -F47-* and Brake Light Switch -F-*
- Together in one housing in footwell on brake pedal
- Checking refer to "Diesel Fuel Injection Components and Functions, Checking". Testing and Inspection
B - Throttle Position (TP) Sensor -G79-*
- In footwell on accelerator
C - Clutch Vacuum Vent Valve Switch -F36-
- In footwell on clutch pedal
- Checking refer to "Diesel Fuel Injection Components and Functions, Checking". Testing and Inspection
1 - Exhaust gas recirculation (EGR) valve
2 - Change-over Valve for Intake Manifold Flap -N239-*
3 - Positive Crankcase Ventilation (PCV) Heating Element -N79-
- Check voltage supply for -N79- between terminals 1 and 2 of the connector with ignition switched on; Specification: At least 11.5 V
4 - Connector, 52-pin
- Only disconnect or connect with ignition switched off
- Release to disconnect
5 - Diesel Direct Fuel Injection (DFI) Engine Control Module (ECM) -J248-*
- Checking voltage supply. Testing and Inspection
- Replacing. Service and Repair
- Coding. Testing and Inspection
- Checking altitude sensor -F96- see Checking intake manifold pressure and altitude sensor. Testing and Inspection
6 - Connector, 28-pin
- Only disconnect or connect with ignition switched off
- Release to disconnect
7 - EGR Vacuum Regulator Solenoid Valve -N18-*/**
8 - Injector
- For No.3 cylinder with Needle Lift sensor -G80-*
9 - Wastegate Bypass Regulator Valve -N75-*/**
10 - Mass Air Flow (MAF) sensor -G70-*
- Checking. Testing and Inspection
11 - O-ring
- Replace if damaged
12 - Retaining clip
- Check if sealed securely
13 - Engine Coolant Temperature (ECT) Sensor -G62-*
- Blue
- For engine control module
- With ECT sensor -G2-
- If necessary release pressure in cooling system before removing
- Wiring chamber 1 and wiring chamber 3 for -G62-
- Terminals 1 and 3 gold plated
14 - 10 Nm (7 ft lb)
15 - Engine Speed (RPM) Sensor -G28-*
- Checking. Testing and Inspection
16 - Spacer
17 - 2-pin connector
- Brown
- For Needle Lift Sensor -G80-
18 - 2-pin connector
- Black
- For RPM Sensor -G28-
19 - 10-pin 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-
20 - Cold Start Injector -N108-*/**
- Checking injection timing control range. Testing and Inspection
21 - Fuel Cut-off Valve -N109-*/**
22 - Injection pump quantity adjuster
- With Fuel Temperature Sensor -G81-*
- With Quantity Adjuster -N146-*
- With Modulating Piston Displacement Sensor -G149-*
23 - Manifold Absolute Pressure (MAP) Sensor -G71-* and Intake Air Temperature (IAT) Sensor -G72-*
- Checking MAP Sensor. Testing and Inspection
- Checking IAT Sensor. Testing and Inspection