Operation CHARM: Car repair manuals for everyone.

Component Locations Overview - II



Component Locations Overview, (Vehicles With Engine Code AVH, AZG)







1. Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-*
- Installation position: Arrow points in direction of flow
2. Camshaft Position (CMP) sensor -G40-
3. Intake manifold
4. Throttle valve control module -J338-*
5. Heated Oxygen Sensor (HO2S) -G39-*, 50 Nm
- Component location: In exhaust manifold
- Use "G5" to grease thread only; do not let "G5" get onto slits of oxygen sensor body
- Voltage supply of oxygen sensor heater via Fuel Pump (FP) relay -J17-
- Check oxygen sensor heater for Oxygen Sensor (O2S) before Three Way Catalytic Converter (TWC).
- Check Oxygen Sensor (O2S) and oxygen sensor control before Three Way Catalytic Converter (TWC).
6. 6-pin harness connector
- Terminals are gold-plated
- Black, 6-pin
- For Heated Oxygen Sensor (HO2S) -G39- and Oxygen Sensor (O2S) heater -Z19-
- Component location: At right vehicle underside
7. Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-*, 50 Nm
- Component location: In rear catalytic converter
- Only use "G 052 112 A3" to grease thread; do not let "G 052 112 A3" get onto slit of oxygen sensor
- Voltage supply of oxygen sensor heater via Fuel Pump (FP) Relay -J17-
- Check oxygen sensor heater for Oxygen Sensor (O2S) behind Three Way Catalytic Converter (TWC).
- Check Oxygen Sensor (O2S) and oxygen sensor control behind Three Way Catalytic Converter (TWC).
8. 4-pin harness connector
- Brown
- Terminals 3 and 4 gold-plated
- For Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- and Oxygen Sensor (O2S) Heater 1 (behind Three Way Catalytic Converter (TWC)) -229-
- Component location: At right vehicle underside
9. Connector, 81-pin
- For Engine Control Module (ECM)
- Switch ignition off before disconnecting or connecting connector
- Disengage to pull off
10. Connector, 40-pin
- For Engine Control Module (ECM)
- Switch ignition off before disconnecting or connecting connector
- Disengage to pull off
11. Engine Control Module (ECM)*
(control module for Motronic Engine Control Module (ECM) -J220-)
- Component location: below inner plenum chamber cover, left, in passenger compartment
- Check voltage supply for Engine Control Module (ECM).
12. Mass Air Flow (MAP) sensor -G70-* with Intake Air Temperature (IAT) sensor -G42-*
13. Protective housing for relay
Component location of:
- Secondary Air Injection (AIR) pump relay -J299-*.
- Motronic Engine Control Module (ECM) Power Supply Relay -J271-
14. Air filter
15. Main fuses
16. Positive Crankcase Ventilation (PCV) heating element -NTS-
17. Engine Coolant Temperature (ECT) sensor -G62-*
- For Engine Control Module (ECM)
- With Engine Coolant Temperature (ECT) sensor -G2-
- If necessary, release pressure in cooling system before removing
18. Ignition coil with power output stage (-N70-, -N127-, -N291-, -N292-)"
19. Fuel injectors (-N30- through -N33-)"
20. 10 Nm
21. Engine speed (RPM) sensor -G28-*
22. O-ring
- Replace if damaged
23. 20 Nm
- Tightening torque affects function of Knock Sensor (KS)
24. Knock Sensor (KS) 2 -G66-"
25. Connector
- 2-pin
- For Knock Sensor (KS) 2 -G66-
- Before disconnecting, mark allocation of connector to component
- Terminals of sensor and connector are gold-plated
26. Secondary Air Injection (AIR) pump motor -V101-*
- Secondary Air Injection (AIR) system.
27. Knock Sensor (KS) -G61-"
28. Connector
- 2-pin
- For Knock Sensor (KS) 1 -G61-
- Before disconnecting, mark allocation of connector to component
- Terminals of sensor and connector are gold-plated
29. Fuel pressure regulator.