Ignition System: Locations

MULTIPORT FUEL INJECTION AND IGNITION SYSTEM

Engine Control Module (ECM)
• Not shown
• Located in passenger-side foot- well, in electronics box under carpeting

Connector / Component Locations:

Components 1 thru 7

1 Harness connectors:
A For Oxygen Sensor # 1 heater
• Heater for heated oxygen sensor # 1, right bank
• Black 2-pin connector
B For Ignition coils
• Battery positive voltage (B+) supply
• White connector
C For Heated Oxygen Sensor (HO2S)
• Signal wire
• Under connector holder on bulkhead
D For Knock Sensor (KS) # 1
• Blue connector
E For Engine Speed (RPM) sensor
• Gray connector
F For Crankshaft Position (CKP) sensor
• Black connector

2 Power output stage
• 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
• With integrated Closed Throttle Position (CTP) switch

4 Harness connectors:
A For Heated Oxygen Sensor (HO2S) # 2
• Signal wire
B For Oxygen Sensor # 2 heater
• Heater for heated oxygen sensor # 2, left bank
• Black 2-pin connector
C For Knock Sensor (KS) # 2
• Blue connector

5 EGR valve and temperature sensor
• US vehicles only

6 Camshaft Position (CMP) sensor

7 Data Link Connector (DLC)

Connector / Component Locations:

Components 8 thru 14

8 Engine Coolant Temperature (ECT) sensor
• In coolant line behind cylinder head

9 Heated Oxygen Sensor (HO2S) # 2

10 Engine Speed (RPM) sensor

11 Knock Sensor (KS) # 2

12 Crankshaft Position (CKP) sensor
• Reference mark on left-hand side of cylinder block

13 Fuel Injectors

14 Ignition coils
• Ignition coil # 1
• Ignition coil # 2
• Ignition coil # 3

Connector / Component Locations:

Components 15 thru 23

15 Ground (GND) connection
• On intake manifold

16 Idle Air Control (IAC) valve

17 Fuel pressure regulator

18 Heated Oxygen Sensor (HO2S)

19 A EGR vacuum regulator solenoid valve

19 B Intake manifold change-over valve

20 EVAP canister purge regulator valve

21 Mass Air Flow (MAF) sensor

22 Knock Sensor (KS) # 1

23 Ground (GND) connection
• On right engine mount