Engine Compartment
Motronic Multiport Injection and Ignition Systems Component Layout
Not shown:
Engine Control Module (ECM) -J192-
• In right footwell under carpet in electronic box
Oxygen Sensor (025) behind Three Way Catalytic Converter (TWC) -G130-
• Bank 1, rear
Oxygen Sensor (025) 2 behind Three Way Catalytic Converter (TWC) -G131-
• Bank 2, rear
1 Harness connectors:
A: Oxygen Sensor (O2S) heater -Z19-
• For Heated Oxygen Sensor (HO2S) -G39-, bank 1, front
• Black 2-pin connector
B: Ignition coils -N-, -N128-, -N158-
• White connector, voltage supply
C: Heated Oxygen Sensor (HO2S) -G39-
• Signal wire, bank 1, front
• Under connector holder on engine bulkhead
D: Knock Sensor (KS) 1 -G61-
• Blue connector
E: Engine Speed (RPM) sensor -G28-
• Gray connector
F: Crankshaft Position (CKP) sensor -G4-
• Reference mark sensor
• Black connector
2 Power output stage -N122-
A: Signal wires from ECM
• Brown 4-pin connector
B: Connections for ignition coils
3 Throttle position sensor -G69-
• With integrated Closed Throttle Position (CTP) switch -F60-
4 Harness connectors:
A: Heated Oxygen Sensor (H02S) 2 -G108-
• Signal wire, bank 2, front
B: Oxygen Sensor (028) heater 2 -Z28-
• For Heated Oxygen Sensor (HO2S) 2 -G108-, bank 2, front
• Black 2-pin connector
C: Knock Sensor (KS) 2 -G66-
• Blue connector
5 EGR temperature sensor -G98-
6 Camshaft Position (CM P) sensor -G40-
• 9 Nm (80 in lb)
7 Data Link Connector (DLC)
• In console next to Handbrakee
Connector / Component Locations:
8 Engine Coolant Temperature (ECT) sensor -G62-
• On coolant pipe behind cylinder head
9 Heated Oxygen Sensor (H025) -G108-
• Bank 2, front
10 Engine Speed (RPM) sensor -G28-
• 9 Nm (80 in lb)
11 Knock Sensor (KS) 2 -G66-
12 Crankshaft Position (CKP) sensor -G4-
• 9 Nm (80 in lb)
• Reference mark sensor on left hand side of cylinder block
13 Fuel injectors
14 Ignition coils -N-, -N128-, -N158-
15 Ground connection
• On intake manifold
16 Idle Air Control (IAC) valve -N71-
17 Fuel pressure regulator
18 Heated Oxygen Sensor (HO2S) -G39-
• Bank 1, front
19 A: EGR vacuum regulator solenoid valve -N18-
B: Intake manifold change-over valve -N156-
20 EVAP canister purge regulator valve -N80-
21 Mass Air Flow (MAF) sensor -G70-
22 Sensor for EVAP canister
23 Knock sensor (KS) 1 -G61-
24 Ground connection
• On right engine support