Component Locations
Overview Of Component Locations
Component Locations, Overview:
1 Evaporative Emission (EVAP) canister purge regulator valve -N80-
2 Mass Air Flow (MAF) sensor -G70-
- with Intake Air Temperature (IAT) sensor -G42-
3 Camshaft Position (CMP) Sensor 3 -G300-
- For exhaust camshaft bank 1
- Component location, See Fig. 10
4 Camshaft Position (CMP) Sensor -G40-
- For intake camshaft bank 1
- Component location, See Fig. 10
5 Brake booster pressure sensor -G294-
- for vehicles with automatic transmission
- Component location, See Fig. 8
6 Camshaft Position (CMP) Sensor 2 -G163-
- For intake camshaft bank 2
- Component location, See Fig. 11
7 Camshaft Position (CMP) Sensor 4 -G301-
- For exhaust camshaft bank 2
8 Ignition coils with power output stage, bank 2
- Ignition Coil 4 with Power Output Stage -N292-
- Ignition Coil 5 with Power Output Stage -N323-
- Ignition Coil 6 with Power Output Stage -N324-
9 E-box, plenum chamber
- Component locations, See Fig. 4 and Fig. 5
- Component location of Motronic Engine Control Module (ECM) -J220-
- Check voltage supply of Engine Control Module (ECM)
- Removing and installing 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 of Secondary Air Injection (AIR) pump relay -J299-
- Checking Secondary Air Injection (AIR) Pump Relay -J299-
- Component location of fuse S130 for Secondary Air Injection (AIR) pump
- Component location of Brake booster relay -J569-.
10 Brake System Vacuum Pump -V192-
- for vehicles with automatic transmission
11 Valve -2- for camshaft adjustment -N208-, intake and Camshaft Adjustment Valve 2 (exhaust) -N319-
- Bank 2
12 Fuel injectors, bank 2
- Cylinder 4 fuel injector -N33-
- Cylinder 5 Fuel Injector -N83-
- Cylinder 6 Fuel Injector -N84-
13 Fuel injectors, bank 1
- Cylinder 1 Fuel Injector -N30-
- Cylinder 2 fuel injector -N31-
- Cylinder 3 fuel injector -N32-
14 Valve -1- for camshaft adjustment -N205-, intake, Camshaft Adjustment Valve 1 (exhaust) -N318-
- Bank 1
15 Ignition coils with power output stage, bank 1
- Ignition Coil 1 with Power Output Stage -N70-
- Ignition Coil 2 with Power Output Stage -N127-
- Ignition Coil 3 with Power Output Stage -N291-
16 Secondary Air Injection (AIR) Pump Motor -V101-
Component Locations, Overview:
17 Heated Oxygen Sensor (HO2S) -G39- before catalytic converter with Oxygen Sensor (O2S) Heater -Z19-
- Bank 1, sensor 1
- 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)
18 Bracket for harness connectors
- for right side of vehicle
- Assignment, See Fig. 6
19 Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- with Oxygen Sensor (O2S) Heater 1 -Z29-
- Bank 1, sensor 2
- 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)
20 Engine Coolant Temperature (ECT) sensor -G62-
- for Engine Control Module (ECM)
- At coolant pipe behind cylinder head engine bank 1
- with Engine Coolant Temperature (ECT) Sensor -G2-
- If necessary, release pressure in cooling system before removing
21 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
22 Secondary Air Injection (AIR) solenoid valve -N112-
23 Engine Speed (RPM) sensor -G28-
- in transmission housing via ring gear
24 Bracket for harness connectors
- for left side of vehicle
- Assignment, See Fig. 7
25 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
26 Fuel Pump (FP) Relay -J17-
- Component location, See Fig. 2
27 Brake light switch -F- and Brake pedal switch -F47-
- Component location, See Fig. 3
28 Clutch vacuum vent valve switch -F36-
- Component location, See Fig. 3
29 Instrument cluster
- With Malfunction Indicator Lamp (MIL) -K83-
- With Electronic Power Control (EPC) Warning Lamp -K132-
30 Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) -G131- with Oxygen Sensor (O2S) Heater 2 -Z30-
- Bank 2, sensor 2
- 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)
31 Heated Oxygen Sensor (HO2S) 2 -G108- before catalytic converter with Oxygen Sensor (O2S) 2 Heater -Z28-
- Bank 2, sensor 1
- 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)
32 Fuel pressure regulator
33 Knock Sensor (KS) 2 -G66-
- Bank 2
- below intake manifold
34 Intake manifold change-over valve -N156-
- Component location, See Fig. 9
35 Knock Sensor (KS) 1 -G61-
- Bank 1
- below intake manifold
36 Ground connection
- on the engine bracket, right
37 not installed
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 locations Fuel Pump (FP) Relay -J17-
- located at position 1 -arrow- of relay carrier in driver's footwell, left
Fig. 3 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 - Brake light switch -F-, Brake pedal switch -F47-
Fig. 4 Component location of Engine Control Module (ECM) in E-box, plenum chamber
Fig. 5 Component locations in E-box, plenum chamber
1.1 - Coolant Circulation Pump Relay -J151- (only hot countries)
1.2 - Not assigned
2 - Motronic Engine Control Module (ECM) voltage supply relay -J271-
3 - Secondary Air Injection (AIR) pump relay -J299-
A - Engine Electronics Fuse S282
B - Fuse S130 for Secondary Air Injection (AIR) pump
C - Not assigned
Fig. 6 Assignment of bracket for harness connectors - right side of vehicle
1 - 6-pin harness connector, black
for Heated Oxygen Sensor (HO2S) -G39- before catalytic converter and Oxygen Sensor (O2S) Heater -Z19- (bank 1 sensor 1)
2 - 3-pin harness connector, blue
for Knock Sensor (KS) 1 -G61-
3 - 4-pin harness connector, green
for Oxygen Sensor (O2S) behind Three Way Catalytic Converter (TWC) -G130- and Oxygen Sensor (O2S) Heater 1 -Z29- (bank 1 sensor 2)
4 - 3-pin harness connector, black
for terminal 50
Fig. 7 Assignment of bracket for harness connectors - left side of vehicle
1 - 4-pin harness connector, brown
for Oxygen Sensor (O2S) 2 behind Three Way Catalytic Converter (TWC) -G131- and Oxygen Sensor (O2S) Heater 2 -Z30- (bank 2 sensor 2)
2 - 3-pin harness connector, gray
for Engine Speed (RPM) sensor -G28-
3 - 3-pin harness connector, blue
for Knock Sensor (KS) 2 -G66-
4 - 6-pin harness connector, black
for Heated Oxygen Sensor (HO2S) 2 -G108- before catalytic converter and Oxygen Sensor (O2S) 2 Heater -Z28- (bank 2 sensor 1)
NOTE: To reach the harness connectors, the left cover in engine compartment must be removed, the line to Engine Coolant Level (ECL) Warning Switch at bottom on reservoir must be disconnected, and the bolt -arrow- of the coolant reservoir must be unscrewed and set aside. Coolant hoses -1- to -3- remain connected.
Fig. 8 Component location of Brake Booster Pressure Sensor -G294-
Fig. 9 Component location of Intake Manifold Change-Over Valve -N156-
- clipped to vacuum element
Fig. 10 Component location of Camshaft Position (CMP) Sensor -G40- and Camshaft Position (CMP) Sensor 3 -G300-
- At cylinder head bank 1 (right side), rear
1 - Electrical harness connector for Camshaft Position (CMP) Sensor 3 -G300-
2 - Electrical harness connector for Camshaft Position (CMP) Sensor -G40-
Fig. 11 Component location of Camshaft Position (CMP) Sensor 2 -G163- and Camshaft Position (CMP) Sensor 4 -G301-
- At cylinder head bank 2 (left side), rear
1 - Electrical harness connector for Camshaft Position (CMP) Sensor 2 -G163-
2 - Electrical harness connector for Camshaft Position (CMP) Sensor 4 -G301-