Fuel Delivery and Air Induction: Service and Repair
Component Locations, Overview
1 - 3-pin connector
- For Knock Sensor (KS) 1 -G61-
2 - Knock Sensor (KS) 1 -G61-
- Location => Fig. 1
3 - Heated Oxygen Sensor (HO2S) -G39- before catalytic converter and Oxygen Sensor (O2S) Heater -Z19-
- Location => Fig. 3
4 - Oxygen Sensor (O2S) behind Three Way Catalytic Converter (TWC) -G130- and Oxygen Sensor (O2S) Heater 1 -Z29-
- Location => Fig. 4
5 - Motronic Engine Control Module (ECM) -J220-
6 - Heated Oxygen Sensor (HO2S) 2 -G108- and Oxygen Sensor (O2S) 2 Heater -Z28-
- Location => Fig. 3
7 - Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) -G131- and Oxygen Sensor (O2S) Heater 2 -Z30-
- Location => Fig. 4
8 - Positive Crankcase Ventilation (PCV) heating element -N79-
9 - 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-
10 - Instrument cluster
- With Malfunction Indicator Lamp (MIL) -K83-
11 - Throttle Position (TP) sensor -G79- and Accelerator pedal position sensor 2 -G185-
- Location => Fig. 1
12 - Brake light switch -F- and Brake pedal switch -F47-
- Location => Fig. 2
13 - Fuel Pump (FP) relay -J17-
- Location => Fig. 5
14 - Secondary Air Injection (AIR) pump relay -J299-
- Location => Fig. 6
15 - Motronic ECM power supply relay -J271-
16 - Mass Air Flow (MAF) sensor -G70-
17 - Camshaft Position (CMP) sensor 2 -G163-
- Black connector
18 - Camshaft adjustment valve 1 (exhaust)
- Brown connector
19 - Valve -1- for camshaft adjustment -N205-
- Black connector
20 - Camshaft Position (CMP) sensor -G40-
- Black connector
21 - Engine Coolant Temperature (ECT) sensor -G62-
- Location => Fig. 1Q
- If necessary, release cooling system pressure before removal
22 - Engine speed (RPM) sensor -G28-
- Location => Fig. 1
23 - Vacuum unit for intake manifold change-over
24 - Fuel pressure regulator
25 - Secondary Air Injection (AIR) pump motor -V101-
26 - Intake manifold change-over valve -N156-
- Location => Fig. 9
27 - Secondary Air Injection (AIR) solenoid valve -N112-
- Location => Fig. 8
28 - Knock Sensor (KS) 2 -G66-
- Location => Fig. 12
29 - 3-pin connector
- For Engine speed (RPM) sensor -G28-
- Location => Fig. 1
30 - Ignition coils with output stages
- Cylinder 1 ignition coil 1 with output stage -N70-
- Cylinder 2 ignition coil 2 with output stage -N127-
- Cylinder 3 ignition coil 3 with output stage -N291-
- Cylinder 4 ignition coil 4 with output stage -N292-
- Cylinder 5 ignition coil 5 with output stage -N323-
- Cylinder 6 ignition coil 6 with output stage -N324-
31 - Fuel injectors
- Cylinder 1 injector, cylinder 1 -N30-
- Cylinder 2 injector, cylinder 2 -N31-
- Cylinder 3 injector, cylinder 3 -N32-
- Cylinder 4 injector, cylinder 4 -N33-
- Cylinder 5 injector, cylinder 5 -N83-
- Cylinder 6 injector, cylinder 6 -N84-
- Checking injection quantity and spray pattern, checking for leaks
32 - Evaporative Emissions (EVAP) canister purge regulator valve -N80-
Fig. 1 Location of Throttle Position (TP) sensor -G79- and Accelerator pedal position sensor 2 -G185-
Fig. 2 Location of Brake light switch -F- and Brake pedal switch -F47-
- On pedal bracket
Fig. 3 Location of oxygen sensors before catalytic converter
- In front exhaust pipe
1 - Heated Oxygen Sensor (HO2S) 2 -G108- and Oxygen Sensor (O2S) 2 Heater -Z28-
2 - Heated Oxygen Sensor (HO2S) -G39- and Oxygen Sensor (O2S) Heater -Z19-
Fig. 4 Location of oxygen sensors behind catalytic converter
- In catalytic converter
1 - Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) -G131- and Oxygen Sensor (O2S) Heater 2 -Z30-
2 - Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- and Oxygen Sensor (O2S) Heater 1 -Z29-
Fig. 5 Location of Fuel Pump (FP) relay -J17-
- In micro central electrics (left side) under instrument panel: position 4
Fig. 6 Location of Motronic ECM power supply relay -J271- and Secondary Air Injection (AIR) pump relay-J299-
- Beneath cover on left at bulkhead
1 - Secondary Air Injection (AIR) pump relay -J299-
2 - Motronic ECM power supply relay -J271-
NOTE: To remove dust cover, unfasten relay carrier at bulkhead and lower.
Fig. 7 Location of Engine speed (RPM) sensor -G28- with 3-pin connector
1 - 3-pin connector
2 - Engine speed (RPM) sensor -G28-
Fig. 8 Location of Secondary Air Injection (AIR) solenoid valve -N112-
- At vacuum reservoir (at front of engine)
Fig. 9 Location of Intake manifold change-over valve -N156-
- At vacuum reservoir (at front of engine)
Fig. 10 Location of Engine Coolant Temperature (ECT) sensor -G62-
- At front left on cylinder head
Fig. 11 Location of Knock Sensor (KS) 1 -G61-
- At right rear on cylinder block
1 - Knock Sensor (KS) 1 -G61-
2 - 3-pin connector
Fig. 12 Location of Knock Sensor (KS) 2 -G66-
- At front on cylinder block