Component Locations, Overview
Component Locations, Overview
Components A to F are not shown in the exploded view.
A - Brake Light Switch -F-and Brake Vacuum Vent Valve Switch -F47-.
- In footwell on pedal bracket near brake pedal.
B - Data Link Connector (DLC).
- In knee protection on driver's side.
C - Fuel Pump (FP) Relay -J17-.
- In the micro-central electrics behind storage compartment on driver' side, relay position 4.
D - Clutch Vacuum Vent Valve Switch -F36-.
- In footwell on pedal bracket near brake pedal.
E - Throttle Position (TP) Sensor -G79- and Throttle Position Sensor -G185-
- In footwell on accelerator pedal (both sensors are located in one housing).
F - Electronic Power Control (EPC) Warning Lamp -K132-
- In instrument cluster.
- With Electronic Power Control (EPC) Warning Lamp -K132-.
- With exhaust Malfunction Indicator Lamp (MIL).
1 - Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-
2 - Heated Oxygen Sensor (HO2S) -G39- 55 Nm
- Constant oxygen sensor.
3 - Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- 55 Nm
4 - Combi valve for secondary air inlet
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-
- Connector green.
8 - Bracket for connectors
- Accessible with coolant expansion tank removed and moved to side.
9 - Bracket for connectors.
- Accessible with coolant expansion tank removed and moved to side.
10 - Electronics box (plenum chamber).
- Location for Motronic Engine Control Module (ECM) -J220- with Barometric Pressure (BARO) Sensor -F96-.
- Location for Motronic Engine Control Module (ECM) Power Supply Relay -J271-.
- Component location for Engine Electronics Fuse -S282- for Motronic.
11 - Electronics box (plenum chamber)
- Location for Secondary Air Injection (AIR) Pump Relay -J299-.
12 - Charge Air Pressure Sensor -G31-
- Location: Charge Air Pressure Sensor -G31- is installed into top of charge air cooler.
13 - Throttle Valve Control Module -J338-
- With Throttle drive (power accelerator activation) -G186-, Angle sensor -1- for throttle drive (power accelerator activation) -G187- and Angle sensor -2- for throttle drive (power accelerator activation) -G188-
14 - Intake Air Temperature (IAT) Sensor -G42-
15 - Recirculating valve for turbocharger -N249-
16 - Knock Sensor (KS) 1 -G61-
17 - Knock Sensor (KS) 2 -G66-
18 - Camshaft Position (CMP) Sensor -G40-
19 - Fuel Injectors
- Cylinder 1 Fuel Injector -N30-.
- Cylinder 2 Fuel Injector -N31-.
- Cylinder 3 Fuel Injector -N32-.
- Cylinder 4 Fuel Injector -N33-.
20 - Ignition Coils
- 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-.
21 - Wastegate Bypass Regulator Valve -N75-
22 - Mass Air Flow (MAF) Sensor -G70-
23 - Secondary Air Injection (AIR) Pump Motor -V101-
Fig. 1 Location
The following connections are located underneath the coolant expansion tank:
1 - 3-pin connector, blue
For Knock Sensor (KS) 2 -G66-
1 - 4-pin 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 connector, grey
For Engine Speed (RPM) Sensor -G28-
4 - 3-pin connector, green
For Knock Sensor (KS) 1 -G61-
5 - 6-pin connector, black
For Oxygen Sensor (O2S) -G39- and Oxygen Sensor (O2S) Heater -Z19- (bank 1, sensor 1)
Fig. 2 Location of Fuel Pump (FP) Relay -J17-
- on the 9-unit relay carrier in driver's footwell, left, position 1
Fig. 3 Location of Brake Light Switch -F- and Brake Vacuum Vent Valve Switch -F47-, Clutch Vacuum Vent Valve Switch -F36-
1 - Brake Light Switch -F-, Brake Vacuum Vent Valve Switch -F47-
2 - Clutch Vacuum Vent Valve Switch -F36-
Fig. 4 Location of Throttle Position (TP) Sensor 1 -G79- and Throttle Position (TP) Sensor 2 -G185-
- Both the Throttle Position (TP) Sensor 1 -G79- and the Throttle Position (TP) Sensor 2 -G185- are stored in one housing.
Fig. 5 Location of Engine Control Module (ECM) in electronics box (plenum chamber)
Fig. 6 Component locations in electronics box (plenum chamber).
1.1 - Not used
1.2 - Not used
2 - Motronic Engine Control Module (ECM) Power Supply Relay -J271-
3 - Secondary Air Injection (AIR) Pump Relay -J299-4
4 - Not used
A - Fuse S282 for engine electronics
B - Fuse S130 for secondary air pump
C - Not used
Fig. 7 Location of Secondary Air Injection (AIR) Solenoid Valve -N112- and Recirculating valve for turbocharger -N249-
- Location: underneath intake line
1 - Secondary Air Injection (AIR) Solenoid Valve -N112-
2 - Recirculating valve for turbocharger -N249-
NOTE: The illustration shows bottom view of intake line.
Fig. 8 Location of Charge Air Pressure Sensor -G31-
Charge Air Pressure Sensor -G31- -arrow- screwed into top of charge air
cooler.