Service manual

90-898303

4-2

Table of Contents

Table of Contents .............................................................................................2

2002 2.5L/3.0L Fuel Flow Diagram...................................................................4

Fuel Flow Component Description....................................................................5

Pulse Fuel Pump (d) ....................................................................................5

Water Separating Filter (e)...........................................................................5

Vapor Separator (h) .....................................................................................5

Final Filter (n)...............................................................................................5

Electric Fuel Pump (Inside Vapor Separator) (j) .......................................... 5

Fuel Injectors (c) ..........................................................................................6

Fuel Pressure Regulator (p).........................................................................6

Operation of Oil Injection System .....................................................................7

Oil Injection Components.............................................................................9

Priming The Oil Pump................................................................................ 10

Priming Procedure – Method 1 .................................................................. 11

Electronic Control Module (ECM) ...................................................................13

2002 and Up 2.5L/3.0L Ignition System Description.......................................14

2002 and Up 2.5L/3.0L Ignition System Description.......................................15

Ignition Coil ................................................................................................16

Electronic Control Module..........................................................................17

Flywheel.....................................................................................................18

Crank Position Sensor ...............................................................................18

Throttle Position Sensor (TPS) .................................................................. 19

Cylinder Head Temperature Sensor .......................................................... 23

Air Temperature Sensor.............................................................................24

Manifold Absolute Pressure (MAP) Sensor ...............................................25

EFI Detonation Control System .................................................................29

Spark Plugs and Wires ..............................................................................29

Main Power Relay......................................................................................30

Stop Switch Circuit.....................................................................................30

Shift Interrupt Switch..................................................................................30

Water Sensing System ..............................................................................31

Water Sensing System Function................................................................31

Component Description and Diagnostics...................................................32

Fuses .........................................................................................................32

Charging System Alternator.......................................................................33

2002 Warning System Signals........................................................................34

2002 Warning System Signals........................................................................35