Component Locations
Overview Of Component Locations
1 - Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-
2 - Heated Oxygen Sensor (HO2S) -G39- before catalytic converter, 55 Nm
- Constant oxygen sensor
- Check Oxygen Sensor (O2S) and oxygen sensor control before Three Way Catalytic Converter (TWC)
- Check oxygen sensor heater for Oxygen Sensor (O2S) before Three Way Catalytic Converter (TWC)
3 - Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-, 55 Nm
- Check Oxygen Sensor (O2S) and oxygen sensor control behind Three Way Catalytic Converter (TWC)
- Check oxygen sensor heater for Oxygen Sensor (O2S) behind Three Way Catalytic Converter (TWC)
4 - Combination valve for Secondary Air Injection (AIR) system
5 - Engine Coolant Temperature (ECT) sensor -G62-
- If necessary, release pressure of cooling system before removing
6 - Engine Speed (RPM) Sensor -G28-
7 - Secondary Air Injection (AIR) solenoid valve -N112-
- Component location, see Fig. 7
8 - Bracket for harness connectors
- Component location, see Fig. 5
- Accessible with coolant expansion tank unbolted and swung to the side.
9 - Instrument cluster
- with Malfunction Indicator Lamp (MIL) -K83-
- With Electronic Power Control (EPC) Warning Lamp -K132- ("EPC" warning lamp)
10 - Throttle Position (TP) sensor -G79- and sender 2 for accelerator pedal position -G185-
- Component location, see Fig. 1
- When replacing, adapt kickdown function, to do so switch on ignition and press accelerator pedal all the way down past the kickdown point and hold in position for at least 20 seconds
- Removing and installing accelerator pedal module
11 - Brake light switch -F- and brake pedal switch -F47-
- Component location, see Fig. 2
12 - Clutch vacuum vent valve switch -F36-
- Component location, see Fig. 2
13 - E-box, plenum chamber
- Component locations, see Fig. 3 and Fig. 4.
- Component location for Motronic Engine Control Module (ECM) -J220- with integrated Barometric Pressure (BARO) Sensor -F96-
- Check voltage supply of Engine Control Module (ECM)
- Replacing Engine Control Module (ECM)
- Component location of Motronic Engine Control Module (ECM) voltage supply relay -J271-
- Check Motronic Engine Control Module (ECM) voltage supply relay -J271-
- Component location for Engine Electronics Fuse -S282- for Motronic
- Component location of Secondary Air Injection (AIR) pump relay -J299-
- Checking Secondary Air Injection (AIR) Pump Relay -J299-
14 - Fuel Pump (FP) Relay -J17-
- Component location, see Fig 6
15 - Charge Air Pressure Sensor -G31-
- Component location, see Fig. 8
16 - Throttle Valve Control Module -J338-
- With throttle drive (power accelerator actuation) -G186-, angle sensor -1- for throttle drive (power accelerator actuation) -G187-, and angle sensor -2- for throttle drive (power accelerator actuation) -G188-
- When replacing, perform adaptation, for this purpose switch on ignition for at least 20 seconds without starting engine or depressing accelerator pedal
17 - Intake Air Temperature (IAT) Sensor -G42-
18 - Recirculating valve for turbocharger -N249-
- Component location, see Fig. 7
19 - Knock Sensor (KS) 1 -G61-
20 - Knock Sensor (KS) 2 -G66-
21 - Camshaft Position (CMP) Sensor -G40-
22 - Fuel injectors
- Cylinder 1 Fuel Injector -N30-
- Cylinder 2 fuel injector -N31-
- Cylinder 3 fuel injector -N32-
- Cylinder 4 fuel injector -N33-
23 - Ignition coils with power output stage
- Ignition Coil 1 with Power Output Stage -N70-
- Ignition Coil 2 with Power Output Stage -N127-
- Ignition Coil 3 with Power Output Stage -N291-
- Ignition Coil 4 with Power Output Stage -N292-
24 - Wastegate Bypass Regulator Valve -N75-
25 - Mass Air Flow (MAF) Sensor -G70-
26 - Secondary Air Injection (AIR) Pump Motor -V101-
Fig. 1 Component location, Throttle Position (TP) sensor -G79- and sender 2 for accelerator pedal position -G185-
- integrated in accelerator pedal module (arrow)
NOTE: Throttle Position (TP) Sensor -G79- and Sender -2- for accelerator pedal position -G185- are integrated in the accelerator pedal module and cannot be replaced separately.
Fig. 2 Component location of brake light switch -F- and brake pedal switch -F47-, clutch vacuum vent valve switch -F36-
1 - Clutch vacuum vent valve switch -F36-
2 - Clutch vacuum vent valve switch -F36-
Fig. 3 Component location of Engine Control Module (ECM) in E-box, plenum chamber
Fig. 4 Component locations in E-box, plenum chamber
1.1 - Not assigned
1.2 - Not assigned
2 - 2 - Secondary Air Injection (AIR) Pump Relay -J299-
3 - Motronic Engine Control Module (ECM) voltage supply relay -J271-
4 - Not assigned
A - Engine Electronics Fuse S282
B - Fuse S130 for Secondary Air Injection (AIR) pump
C - Not assigned
Fig. 5 Component location of harness connectors
The following harness connectors are located below the coolant expansion tank:
1 - 3-pin harness connector, green
for Knock Sensor (KS) 1 -G61-
2 - 4-pin harness connector, brown
for Oxygen Sensor (O2S) behind Three Way Catalytic Converter (TWC) -G130- and Oxygen Sensor (O2S) Heater 1 -Z29- (bank 1 sensor 2)
3 - 3-pin harness connector, gray
for Engine Speed (RPM) sensor -G28-
4 - 3-pin harness connector, blue
for Knock Sensor (KS) 2 -G66-
5 - 6-pin harness connector, black
for Heated Oxygen Sensor (HO2S) -G39- before catalytic converter and Oxygen Sensor (O2S) Heater -Z19- (bank 1 sensor 1)
NOTE: Coolant reservoir screw (arrow) must be removed and coolant reservoir must be placed to the side in order to access harness connectors. The coolant hoses remain connected.
Fig. 6 Component location of Fuel Pump (FP) Relay -J17-
- on 9-pin relay carrier in driver's footwell, left side, position 1
Fig. 7 Component location of Secondary Air Injection (AIR) Solenoid Valve -N112- and Recirculating valve for turbocharger -N249-
- Component location: Below intake manifold
1 - Recirculating valve for turbocharger -N249-
2 - Secondary Air Injection (AIR) solenoid valve -N112-
NOTE: Illustration depicts intake manifold removed, from below.
Fig. 8 Component location of Charge Air Pressure Sensor -G31-
Charge Air Pressure Sensor -G31- (arrow) bolted into charge air cooler at top.