Fuel System Components Locations, Overview

Fuel injection, servicing

Component locations, overview







NOTE:
The overview of component locations shows the following components:
- EPC indicator lamp for electronic gas activation
- Brake light switch -F- and brake pedal switch -F47-
- Throttle Position (TP) sensor -G79- and sensor 2 for accelerator pedal position -G185-


1 - 4-pin harness connector
- Green
- For Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-, bank 1 and oxygen sensor heater -Z29-, cylinder bank 1
2 - 4-pin harness connector
- Brown
- For Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) -G131-, bank 2 and heater for oxygen sensor -Z30-, cylinder bank 2
3 - 4-pin harness connector
- Black
- for Heated Oxygen Sensor (HO2S) -G39-, bank 1 before Three Way Catalytic Converter (TWC) and oxygen sensor heater -Z19-, cylinder bank 1
4 - 3-way connector
- Brown
- for Knock Sensor (KS) 1 -G61-, cylinder bank 1
5 - Engine Coolant Temperature (ECT) sensor -G62-
6 - Secondary Air Injection (AIR) solenoid valve -N112-
- Secondary Air Injection system:
7 - Intake Air Temperature (IAT) sensor -G42-
8 - Intake manifold change-over valve -N156-
9 - Throttle Valve Control Module -J338-
10 - 4-pin harness connector
- Black
- for Heated Oxygen Sensor (HO2S) 2 -G108-, bank 2 before catalytic converter and oxygen sensor heater -Z28-, cylinder bank 2
11 - 3-way connector
- Brown
- For Knock Sensor (KS) 2 -G66-, cylinder bank 2
12 - 3-way connector
- Gray
- For Engine Speed (RPM) sensor -G28-
13 - Engine Control Module (ECM)
(control module for Motronic -J220-)
- Installation location: in protective housing, radiator tank on left
14 - Fuel pressure regulator
15 - Camshaft Position (CMP) sensor 2 -G163-
- Engine bank 2
16 - Heated Oxygen Sensor (HO2S) 2 -G108-, bank 2 before catalytic converter, 50 Nm
17 - Engine Speed (RPM) sensor -G28-
18 - Knock Sensor (KS) 2 -G66-
- Engine bank 2
19 - Valve -2- for camshaft adjustment -N208-
- Engine bank 2
20 - Ignition coils (-N-, -N128-, -N158-)
- With power output stage -N122-
21 - Knock Sensor (KS) 1 -G61-
- Engine bank 1
22 - Fuel injector (-N30-, -N33-, -N83-, -N84-)
23 - Camshaft Position (CMP) sensor -G40-
- Engine bank 1
24 - Ground connection
- On engine bracket, right side
25 - Heated Oxygen Sensor (HO2S) -G39-, bank 1 before catalytic converter, 50 Nm
26 - Valve -1- for camshaft adjustment -N205-
- Engine bank 1
27 - Secondary Air Injection pump motor (V101)
- Secondary Air Injection system:
28 - Mass Air Flow (MAF) sensor -G70-
29 - Evaporative Emission (EVAP) canister purge regulator valve -N80-
- On air cleaner housing
- EVAP system: