Ignition Coil: Locations
Fuel Injection System, Servicing
Fuel Injection System Components:
Components A, B and C are not shown in the illustration.
A - Brake pedal position switch -F47- or brake light switch -F-
- Together in one housing, in footwell
B - Accelerator pedal position sensors (Throttle Position sensor -G79- and Sender 2 for accelerator pedal position -G185-*
- In footwell on accelerator pedal:
C - Clutch pedal position switch -F36-
- In footwell
1 - Evaporative Emission (EVAP) canister purge regulator valve -N80-*/**
- EVAP system
2 - Camshaft Position (CMP) sensor -G40-*
- Below the upper toothed belt guard
3 - Intake manifold
4 - Throttle valve Control module -J338-*
- No cable disc for accelerator cable as this is an electronic accelerator system
- 6- pin connector
- Terminals gold plated
5 - Oxygen sensor 1 before catalyst -G39-*, 50 Nm
- Fitting location: In exhaust manifold
- Grease only the threads with Part No. G 052 112 A3 hot bolt paste (anti-seize compound). Grease must not get into the slots on the sensor body
6 - 6-pin connector
- Black: for Heated Oxygen Sensor (HO2S) -G39- and Oxygen Sensor (O2S) heater -Z19-
- Terminals gold plated
- Right on underside of vehicle
CAUTION : Part numbers are for reference only. Always check with your Parts Dept. for the latest parts information
7 - Oxygen sensor 2 after catalyst -G130-*, 50 Nm
- Location: in rear of catalyst
- Grease only the threads with Part No. G 052 112 A3 hot bolt paste (anti-seize compound). Grease must not get into slots on the sensor body
8 - 4-pin connector
- Brown: for O2S Behind TWC -G130- and O2S heater 1 -Z29-
- Connector terminals 3 and 4 are gold-plated.
- Right on underside of vehicle
CAUTION : Part numbers are for reference only. Always check with your Parts Dept. for the latest parts information
9 - 81-pin harness connector
- Only disconnect or connect with ignition switched off
- Release to disconnect
10 - 40-pin harness connector
- Only disconnect or connect with ignition switched off
- Release to disconnect
11 - Motronic Engine Control Module (ECM)-J220-*
- Location: below inner cover of plenum chamber, left side in passenger compartment
12 - Mass Air Flow (MAF) sensor -G70-* with intake air temperature sensor -G42-*
- Terminals gold plated
13 - Secondary air pump motor relay -J299-*/**
- Secondary air System:
14 - Air cleaner
15 - Main fuses
- for additional protection
16 - Positive Crankcase Ventilation (PCV) Heating Element - N79-
17 - Engine - Coolant Temperature (ECT) sensor -G62- *
- If necessary release pressure in cooling system before removing
18 - Ignition coils with power output stage -N70-, -N127-, -N291-, -N292-
19 - Injectors -N30- to -N33-*/**
- Air shrouded
20 - 10 Nm
21 - Engine speed sensor -G28-*
22 - O-Ring
- Replace if damaged
23 - 20 Nm
- Tightening torque influences function of knock sensor
24 - Knock sensor 2 -G66-*
- Black: 2- pin
- Terminals gold plated
25 - 2 pin- Connector
- for Knock sensor 2 -G66-
- Black
- Mark connector before disconnecting
26 - Secondary air pump motor -V101-*
- Secondary air system:
27 - Knock sensor 1 -G61-*
- Terminals gold plated
28 - 2 pin - Connector
- for Knock sensor 1 -G61-
- Black
- Mark connector before disconnecting
29 - Fuel pressure regulator