Ignition System: Locations
Multiport Fuel Injection and Ignition System Component Layout
- Engine Control Module (ECM) -J192-
• Not shown
• Located in passenger-side foot-well, in electronics box under carpeting
1 Harness connectors:
A - For Oxygen Sensor (025) heater -Z19-
• Heater for heated oxygen sensor -G39-, right bank
• Black 2-pin connector
B - For Ignition coils
• Battery positive voltage (B+) supply
• White connector
C - For Heated Oxygen Sensor (HO2S) -G39-
• Signal wire
• Under connector holder on bulkhead
D - For Knock Sensor (KS) 1 -G61-
• Blue connector
E - For Engine Speed (RPM) sensor -G28-
• Gray connector
F - For Crankshaft Position (CKP) sensor -G4-
• Black connector
2 Power output stage -N122-
• For ignition coils
A - Signal wires
• From Engine Control Module (ECM)
• Brown 4-pin connector
B - Ignition coil primary circuit connections
3 Throttle Position (TP) sensor -G69-
• With integrated Closed Throttle Position (CTP) switch -F60-
4 Harness connectors:
A - For Heated Oxygen Sensor 2 -G108-
• Signal wire
B - For Oxygen Sensor (02S) 2 heater -228-
• Heater for heated oxygen sensor 2 -G108-, left bank
• Black 2-pin connector
C - For Knock Sensor (KS) 2 -G66-
• Blue connector
5 EGR temperature sensor -G98-
• US vehicles only
6 Camshaft Position (CM P) sensor -G40-
7 Data Link Connector (DLC)
Connector / Component Locations:
8 Engine Coolant Temperature (ECT) sensor -G62-
• In coolant line behind cylinder head
9 Heated Oxygen Sensor (H025) 2 -G108-
10 Engine Speed (RPM) sensor -G28-
11 Knock Sensor (KS) 2 -G66-
12 Crankshaft Position (CKP) sensor -G4-
• Reference mark on left-hand side of cylinder block
13 Fuel Injectors
14 Ignition coils
• Ignition coil 1 -N-
• Ignition coil 2 -N128-
• Ignition coil 3 -N158-
15 Ground (GND) connection
• On intake manifold
16 Idle Air Control (IAC) valve -N71-
17 Fuel pressure regulator
18 Heated Oxygen Sensor (HO2S) -G39-
19 Mass Air Flow (MAF) sensor -G70-
• With CO Fuel Trim (FT) potentiometer
20 EVAP canister purge regulator-valve -N80-
21 A - EGR vacuum regulator solenoid valve -N18-
B - Intake manifold change-over valve -N156-
22 Knock Sensor (KS) 1 -G61-
23 Ground (GND) connection
• On right engine mount