Ignition System: Locations
Components Locations, Overview
Components A to I are not shown in the exploded drawing.
A - Brake Light Switch -F- and Brake Pedal Switch -F47-
In footwell on pedal bracket near brake pedal
B - Diagnostic connector
In front knee protection, driver side
C - Fuel Pump (FP) relay -J17-
Relay position 4 of central electrics left side under dash panel
D - Clutch Vacuum Vent Switch -F36-
In footwell on pedal frame
E - Throttle Position (TP) Sensor -G79- and Sender -2- for accelerator pedal position -G185-
In footwell on accelerator pedal (both senders are installed in one housing)
F - Electronic Power Control (EPC) warning light
In instrument cluster (Significance of light)
G - Leak Detection Pump (LDP) - V144-
Below left rear wheel housing liner
H - Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130 with Heater for Lambda -probe 1 -Z29-
This oxygen sensor is accessible from below when vehicle is lifted
I - Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) -G131 with Heater for Lambda-probe 2 -Z30-
This oxygen sensor is accessible from below when vehicle is lifted
1. Harness connector for Oxygen Sensor (025) Behind Three Way Catalytic Converter (TWC) -G130- and Heater for Lambda- probe 1 -Z29-
4-pin green
2. Harness connector for Oxygen Sensor (023) 2 Behind Three Way Catalytic Converter (TWC) -G131- and Heater for Lambda- probe 2 -Z30-
4-pin green
3. Harness connector for Heated Oxygen Sensor (HO2S) and Oxygen Sensor (O2S) Heater
4-pin
4. 3-pin harness connector
For knock sensor (KS) 1 -G61-
5. Engine Coolant Temperature (ECT) Sensor -G62-
On cooling pipe behind cylinder bank 1
6. Wastegate Bypass Regulator Valve -N75-
7. EVAP Canister Purge Regulator Valve -N80-
8. Sensor -1- for exhaust temperature -G235-
At rear of intake manifold on the left-hand side (looking from the front of the engine compartment) On vehicles with automatic transmission the Sensor -2- for exhaust temperature -G236- is located at this position.
9. Secondary Air Injection (AIR) Solenoid Valve -N112-
Only on vehicles with automatic transmission
10. Secondary Air Injection (AIR) Pump Motor -V101-
Only on vehicles with automatic transmission
11. Sensor-2-for exhaust temperature -G236
On vehicles with automatic transmission the sensor is located with Sensor -1- for exhaust temperature -G235- at Position -8-. Both sensors are located behind each other.
12. Recirculating valve for turbocharger -N249-
13. Fuel pressure regulator
14. Camshaft Position (CMP) sensor 2 -G163-
Cylinder bank 2
15. Secondary Air Injection (AIR) Pump Relay -J299-
Only on vehicles with automatic transmission
16. Motronic Engine Control Module (ECM) -J220-
17. 3-pin harness connector
For Engine Speed (RPM) Sensor -G28-
grey
18. 3-pin harness connector
For Knock Sensor (KS) 2 -G66-
19. Harness connector for Heated Oxygen Sensor (HO2S) 2 - G108 and Oxygen Sensor (O2S) Heater -Z28-
4-pin black
20. Valve -2- for camshaft adjustment -N208-
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-
22. Charge Air Pressure Sensor -G31-
In rubber below before Throttle Valve Control Module
23. Camshaft Position (CMP) sensor 1 -G40-
Cylinder bank 1
24. Power output stage -N192-
For ignition coils cylinder bank 2
25. Power output stage -N122-
For ignition coils cylinder bank 1
26. Valve-1- for camshaft adjustment -N205
27. Heated Oxygen Sensor(HO2S) -G39- with Oxygen Sensor (O2S) Heater -Z19-
28. Knock Sensor (KS) 1 -G61-
29. Knock Sensor (KS) 2 -G66-
30. Engine Speed (RPM) Sensor -G28-
In transmission above sensor wheel
31. Heated Oxygen Sensor (HO2S) 2 -G108 and Oxygen Sensor (O2S) Heater -Z28-
32. Ignition coils cylinder bank 2
Ignition Coil 4 -N163-
Ignition Coil 5 -N164-
Ignition Coil 6 -N189-
33. Fuel Injectors
Cylinder bank 2
Cylinder 4 Fuel Injector -N33-
Cylinder 5 Fuel Injector -N83-
Cylinder 6 Fuel Injector -N84-
34. Intake Air Temperature (IAT) Sensor -G42-
Under intake manifold at the front, near the throttle valve control module
35. 2-pin harness connector
For intake air temperature sensor (Measurements must be carried out at this connection)
36. Fuel Injectors
Cylinder bank 1
Cylinder 1 Fuel Injector -N30-
Cylinder 2 Fuel Injector -N31-
Cylinder 3 Fuel Injector -N32-
37. Ignition coils cylinder bank 1
Ignition Coil -N-
Ignition Coil 2 -N128-
Ignition Coil 3 -N158-
38. Mass Air Flow (MAF) Sensor -G70-