Service Manual
Table Of Contents
- GENERAL INFORMATION
- MAINTENANCE
- ELECTRONIC FUEL INJECTION
- SPECIAL TOOLS
- Part Numbers / Descriptions
- Fuel Pressure Gauge Kit - PU-43506-A
- Fuel Pressure Gauge Adaptor - PS-48762
- Throttle Position Sensor Tester Kit - 2201519
- Digital Wrench™ Diagnostic Software PU-47063
- Digital Wrench™ SmartLink Module Kit - PU-47471
- Digital Wrench™ - Diagnostic Connector
- Digital Wrench™ - Download Website
- FUEL TANK
- FUEL LINE
- EFI SERVICE NOTES
- EFI SYSTEM LAYOUT
- EFI COMPONENTS
- ELECTRONIC FUEL INJECTION
- ELECTRONIC CONTROL UNIT (ECU)
- FUEL PUMP
- FUEL PRESSURE REGULATOR
- FUEL INJECTORS
- CRANKSHAFT POSITION SENSOR (CPS)
- TEMP / MANIFOLD ABSOLUTE PRESSURE SENSOR (T-MAP)
- IDLE AIR CONTROL VALVE (IAC)
- THROTTLE POSITION SENSOR (TPS)
- ENGINE COOLANT TEMPERATURE SENSOR (ECT)
- IGNITION COIL
- EFI DIAGNOSTICS
- FUEL SYSTEM TROUBLESHOOTING
- EFI SYSTEM BREAK-OUT DIAGRAMS
- Fuel Injector Circuit (PTO)
- Fuel Injector Circuit (MAG)
- Idle Air Control (IAC) Circuit
- Crankshaft Position Sensor (CPS) Circuit
- Fuel Pump / Fuel Level Sensor Circuit
- Fuel Pump Circuit
- Fuel Gauge Circuit
- Engine Coolant Temperature Sensor (ECT) Circuit
- Throttle Position Sensor (TPS) Circuit
- Intake Air Temperature / Manifold Absolute Pressure Sensor (T-MAP) Circuit
- Diagnostic Connector Circuit
- Diagnostic Connector Circuit (EPS Models)
- SPECIAL TOOLS
- COOLING SYSTEM
- ENGINE
- GENERAL INFORMATION - ENGINE
- ENGINE ASSEMBLY VIEWS AND TORQUE VALUES
- Torque & Torque Sequence - Main Engine Components
- Valve Cover / Breather Valve
- Camshaft Carrier / Camshaft / Rocker Arm
- Cylinder Head / Valve / IAFM
- Valve & Spring Height Detail
- Piston / Connecting Rod
- Crankshaft
- Crankcase
- Crankcase - Upper
- Balance Shaft / Balance Shaft Timing
- Crankcase (Lower) With Oil Pump
- Water Pump Coupler
- Water Pump / Water Pump Coupler / Stator / Flywheel
- Drive Coupler (Rear) / Starter Gear
- ENGINE SERVICE
- ENGINE DISASSEMBLY AND INSPECTION
- Valve Cover / Breather Valve
- Rocker Carrier / Camshaft Removal
- Rocker Arm / Rocker Arm Shaft Inspection
- Camshaft / Camshaft Bore Inspection
- Cylinder Head Removal
- Cylinder Head Cleaning
- Cylinder Head Warp Inspection
- Cylinder Head
- Valve Inspection
- Combustion Chamber
- Valve Guide Removal / Installation
- Valve Seat Reconditioning
- Cylinder Head Assembly
- Valve Sealing Test
- Cylinder Head Installation
- Camshaft / Carrier Assembly
- Camshaft / Camshaft Carrier Installation
- Camshaft Timing
- Cam Chain Tensioner Installation
- Camshaft Timing - Quick Reference
- Crankcase Disassembly
- Crankcase (Lower) / Oil Pump Disassembly
- Crankcase Disassembly (Upper)
- Piston / Connecting Rod Removal
- Counterbalance Shaft Removal / Inspection
- Counterbalance Split Gear Replacement
- Crankshaft / Cam Chain Removal
- Cam Chain / Sprocket Inspection
- Crankcase Inspection (Lower)
- Crankshaft Inspection
- Connecting Rod Inspection
- Connecting Rod Big End Bearing Selection
- Piston / Piston Ring Inspection
- Piston Ring Removal
- Piston Ring Installed Gap
- Piston Pin Bore Inspection
- Cylinder Inspection
- Piston-to-Cylinder Clearance
- Honing - Important Information
- ENGINE ASSEMBLY
- Crankcase Preparation - Upper
- Piston Ring Installation
- Piston / Connecting Rod Assembly
- Piston / Connecting Rod Installation
- Crankshaft Installation
- Oil Passage Tube
- Crankcase Assembly - Upper
- Balance Shaft Installation
- Balance Shaft Timing
- Crankcase Preparation (Lower)
- Crankcase Sealant and Torque Values
- Crankcase Assembly
- WATER PUMP
- TROUBLESHOOTING
- TRANSMISSION
- CLUTCHING (PVT)
- FINAL DRIVE
- BODY / FRAME
- STEERING / SUSPENSION
- BRAKES
3.18
ELECTRONIC FUEL INJECTION
IAC Replacement
1. Remove the seat and upper right-hand side panel (see
Chapter 9 “Seat and Side Panels”).
2. Disconnect the shift linkage from the shift lever.
3. Remove the spark plug wires.
4. Remove the retaining screw from the lower right-hand side
of the airbox.
5. Remove the push rivets retaining the right-hand portion of
the rear cab to gain access to the bolts retaining the upper
right-hand frame support.
6. Remove the (4) bolts retaining the upper right-hand frame
support. Pull the support forward and down to remove it
from the vehicle.
7. Disconnect vehicle harness from IAC.
8. Remove the (3) Phillips-head mounting screws and remove
the IAC from the housing.
9. Install the new IAC and torque the mounting screws to 17.7
in. lbs. (2 Nm).
10. Reconnect vehicle harness to IAC.
11. Reinstall the throttle body and securely tighten the hose
clamps.
12. Reinstall the side panel and seat.
Remove
Remove
Remove
Disconnect
IAC
Disconnect
= T
IAC Mounting Screw Torque:
17.7 in. lbs. (2 Nm)