Powertrain Management: Locations

1 - Leak Detection Pump (LDP) - V144 -
- Below wheel housing, front, left
2 - Bank 1 sensor 1 (oxygen sensor before catalytic converter), with oxygen sensor heating; Bank 2 sensor 2 (oxygen sensor behind catalytic converter), with oxygen sensor heating;
- Both oxygen sensors and their related harness connectors are accessible from below after vehicle is raised
- Component location of oxygen sensors See Fig. 1
- Component location of harness connectors for oxygen sensors See Fig. 2
3 - Camshaft Position (CMP) sensor 2 - G163 -
4 - Fuel injectors - N30 through N33 -
5 - Motronic Engine Control Module (ECM) - J220 -
6 - Ignition coils - N-, - N128 -, - N158 -, - N163 -
7 - Wastegate Bypass Regulator Valve - N75 -
- Checking.
8 - Throttle Position (TP) sensor - G79 - and sender -2- for accelerator pedal position -G185-
- Component location See Fig .3
9 - Brake light switch - F - and brake pedal switch - F47 -
- Component location See Fig. 4
10 - Clutch vacuum vent valve switch - F36 -
- Component location See Fig. 7
11 - Exhaust warning lamp - K83 -
- Component location See Fig.5
12 - Malfunction light for power accelerator activation - K132 -
- "EPC" warning lamp
- Component location See Fig.6
13 - Secondary Air Injection (AIR) pump relay - J299 -
- Under a black, synthetic cover; directly behind Mass Air Flow (MAF) sensor
14 - Mass Air Flow (MAF) sensor - G70 -
15 - Engine Coolant Temperature (ECT) sensor - G62 -
16 - Fuel pressure regulator
17 - Speedometer Vehicle Speed Sensor (VSS) - G28 -
18 - Knock Sensor (KS) 2 - G66 -
19 - Turbocharger boost pressure recirculation valve - N249 -
20 - 3 - pin harness connector
- 3 pieces
- Component location See Fig.8
- For Knock Sensor (KS) 1 - G61 -
- For Engine Speed (RPM) sensor - G28 -
- For Knock Sensor (KS) 2 - G66 -
21 - Secondary Air Injection (AIR) solenoid valve - N112 -
22 - Knock Sensor (KS) 1 - G61 -
23 - Intake Air Temperature (IAT) sensor - G42 -
24 - Secondary Air Injection (AIR) pump motor - V101 -
- Checking.
25 - Pressure switch/power steering - F88 -
- Component location See Fig. 9,
26 - 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 -
27 - Evaporative Emission (EVAP) Canister Purge Regulator Valve - N80 -
28 - Charge air pressure sensor - G31 -
- Component location: Screwed in, above in charge air cooler
- Checking.
- Headlight must be removed in order to access charge air pressure sensor.

Fig. 1 Oxygen sensors and protective cover







Item 1: Bank 1 sensor 1 (oxygen sensor before catalytic converter) with oxygen sensor heating

Item 2: Protective cover of oxygen sensor connector for both oxygen sensors

Item 3: Bank 1 sensor 2 (oxygen sensor behind catalytic converter) with oxygen sensor heating

4 - pin harness connectors for both oxygen sensors and oxygen sensor heating are accessible at vehicle floor after unscrewing protective cover (arrows).

Fig. 2 Black and brown connectors







Black connector: Harness connector for bank 1 sensor 1 (oxygen sensor
Brown connector: Harness connector for bank 1 sensor 2 (oxygen sensor behind catalytic converter) and oxygen sensor heating

Fig. 3 Component locations of Throttle Position (TP) sensor - G79 - and sender 2 for accelerator pedal position - G185 -







Fig. 4 Component location brake light switch - F - and brake pedal switch - F47 -







Fig. 5 Component location, exhaust warning lamp - K83 -







Fig. 6 Component location, malfunction light for power accelerator activation - K132 -







Fig. 7 Component location, clutch vacuum vent valve switch - F36 -







Fig. 8 Component location, 3 - pin harness connectors







1 - For Knock Sensor (KS) 1 - G61 -
2 - For speedometer Vehicle Speed Sensor (VSS) - G28 -
3 - For Knock Sensor (KS) 2 - G66 -

Fig. 9 Component location, pressure switch/power steering - F88 -