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1998 Impreza
Service manual
Subaru 1998 Impreza Service Manual
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:
Owner's manual
(308 pages)
,
Service manual
(616 pages)
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Table Of Contents
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616
Contents
Table of Contents
Bookmarks
Table of Contents
Specifications
Dimensions
Weight
General Precautions
Before Starting Service
While Working
Treatment for Used Engine Oil
Environmental Protection Precautions
Handling an at Vehicle
Full-Time AWD MT Models
Speedometer Test
Brake Test
Chassis Dynamometer Test
Tire Balance Test
Towing
Non-Turbo Full Time AWD at Models
Turbo at Models
Precaution for Supplemental Restraint System (Airbag)
Identification Number and Label Locations
Recommended Fuel, Lubricants, Sealants and Adhesives
Fuel
Fuels Containing Alcohol
Lubricants
Fluid
Coolant
Sealants
Adhesives
Tightening Torque of Standard Bolts and Nuts
Lifting, Towing and Tie-Down Points
Garage Jack
Pantograph Jack, Safety Stand and Lift
Support Locations
Pantograph Jack
Lift
Safety Stand
Towing and Tie-Down Hooks
Front Hood Stay Installation
At the Check and General Maintenance
When Wider Hood Opening Is Necessary
Schedule of Inspection and Maintenance Servies
Drive Belts Inspection
Drive Belts Replacement
Front Side Belt
Rear Side Belt
Camshaft Drive Belt (Timing Belt) Replacement
Camshaft Drive Belt (Timing Belt) Installation
Camshaft Drive Belt (Timing Belt) Inspection
Engine Oil Replacement
Engine Oil Inspection
Engine Oil Filter Replacement
Replace Engine Coolant and Inspect Cooling System, Hoses and Connections
Replacement of Coolant
Relationship of Subaru Coolant Concentration and Freezing Temperature
Procedure to Adjust the Concentration of the Coolant
Replace Fuel Filter and Inspect Fuel System, Lines and Connections
Fuel Piping and Connections
Air Cleaner Element Replacement
Spark Plugs Replacement
Idle Mixture Inspection and Adjustment
Transmission/Differential Lubricants Replacement
Front Differential (Automatic Transmission)
Rear Differential (AWD Model)
Automatic Transmission Fluid Replacement
Brake Fluid Replacement
Disc Brake Pads and Discs/Front and Rear Axle Boots and Axle Shaft Joint Portions
Disc Brake Pad and Disc Inspection
Front and Rear Axle Boots
Brake Lining and Drums
Rear Drum Brake Inspection
Parking Brake
Rear Drum Brake Adjustment
Parking Brake Adjustment
Brake Line Inspection
Service Brake Checking
Parking Brake System
Brake Servo System
Mechanical Clutch Type Inspection and Adjustment
Hill-Holder
Hydraulic Clutch Type
Steering and Suspension System
Steering Wheel Inspection
Steering Shaft Joint
Gearbox
Tie-Rod
Power Steering Fluid Level
Power Steering Fluid for Leaks
Hoses of Oil Pump for Damages
Power Steering Pipes for Damage
Gearbox Boots
Fitting Bolts and Nuts
Suspension System
Front and Rear Wheel Bearing Lubricant Inspection
Front Wheel Bearing
Rear Wheel Bearing
Valve Clearance Inspection
Emission Control System and Vacuum Fitting
System Application
Three-Way Catalyst
A/F Control System
Ignition Control System
Evaporative Emission Control System
Fuel Cut Valve
Fuel Cap
Canister
Purge Control Solenoid Valve
Two-Way Valve
Engine Section
Engine (DOHC)
Engine (DOHC) General
Timing Belt
Belt Tensioner Adjuster
Belt Cover
Camshaft
Cylinder Head
Cylinder Block
Crankshaft
Piston
Engine Cooling System
Engine Cooling System General
Cooling Lines
Water Pump Mechanism
Mechanical Seal
Thermostat
Radiator Fan Description
Engine Cooling System Function
Fuel Injection System (Turbo Model)
Air Line General
Mass Air Flow Sensor
Throttle Body
Throttle Position Sensor
Idle Air Control Solenoid Valve
Fuel Line General
Pressure Regulator
Fuel Injector
Turbocharger System
Turbocharger Unit
Lubrication of Turbocharger
Cooling of Turbocharger
Regulation of Supercharging Pressure
Basic Function of the Wastegate Valve
Concept of the Wastegate Valve Control
Intercooler
Wastegate Control Solenoid Valve
Pressure Sensor
Pressure Sources Switching Solenoid Valve
Air By-Pass Valve
Sensor and Switch
Oxygen Sensor
Engine Coolant Temperature Sensor
Crankshaft Position Sensor
Camshaft Position Sensor
Knock Sensor
Vehicle Speed Sensor
Control System General
Control System Input and Output Signals
Fuel Injection Control
Fuel Injection Characteristics
Correction Coefficients
Air-Fuel Ratio Feedback Coefficient "Alpha"
Learning Control System
Ignition System Control
Idle Air Control
Canister Purge Control
Radiator Fan Control
Fuel Pump Control
A/C Cut Control
Power Supply Control
On-Board Diagnosis System
Function of On-Board Diagnosis
Basic Operation of On-Board Diagnosis System
Fail-Safe Function
Trouble Codes and Fail-Safe Operation
Fuel Pump
Fuel Filter
Fuel Injection System
Supplemental Restraint System "Airbag"
Pre-Inspection
Power Supply
Caps and Plugs
Intake Manifold Vacuum Pressure
Fuel Pressure
Engine Grounding
Electrical Unit Location
Sensor and Solenoid Valve
Module and Relay
Schematic
Control Module I/O Signal
Diagnostics Chart for On-Board Diagnosis System
Basic Diagnostics Procedure
How to Read Trouble Code
List of Trouble Code
Read Memory Mode
D-Check Mode
Clear Memory Mode
Diagnostics Chart for Engine Starting Failure
Basic Diagnostics Chart
Control Unit Power Supply and Ground Line
Check Main Relay
Check Power Supply Circuit of ECM
Check Ground Circuit of ECM
Crankshaft Position Sensor Circuit
Camshaft Position Sensor Circuit
Check Ignition System for Sparks
Check each Spark Plug Cord
Check Power Supply Circuit for Ignition Coil
Check Ignition Coil
Check Harness Connector between Ignitor and Ignition Coil
Check Input Signal for Ignitor
Check Harness Connector of Ignitor Ground Circuit
Check Harness Connector between ECM and Ignitor
Fuel Pump Circuit
Check Operating Sound of Fuel Pump
Check Ground Circuit of Fuel Pump
Check Power Supply to Fuel Pump
Check Harness Connector between Fuel Pump and Fuel Pump Relay
Check Harness Connector between ECM and Fuel Pump Relay
Fuel Injector Circuit
Check Operation of each Fuel Injector
Check Power Supply to Fuel Injector
Check each Fuel Injector
Check Harness Connector between ECM and each Fuel Injector
Check Input Signal for ECM.
Check Harness Connector between ECM and Crankshaft Position Sensor
Check Crankshaft Position Sensor
Starter Switch
Check Operation of Starter Motor
Check Harness Connector between ECM and Ignition Switch
Check Harness Connector between ECM and Camshaft Position Sensor
Check Camshaft Position Sensor
Engine Coolant Temperature Sensor Trouble Codes
Check Engine Coolant Temperature Sensor
Check Harness Connector between ECM and Engine Coolant Temperature Sensor
Trouble Code (22)
Knock Sensor Diagnosis
Input Signal for ECM
Check Knock Sensor
Check Harness Connector between ECM and Knock Sensor
Trouble Code (23)
Mass Air Flow Sensor Diagnosis
Check Input Signal for ECM
Check Power Supply to Mass Air Flow Sensor
Check Harness Connector between ECM and Mass Air Flow Sensor
Trouble Code (24)
Idle Air Control Solenoid Valve Diagnosis
Check Idle Air Control Solenoid Valve
Check Power Supply Line to Idle Air Control Solenoid Valve
Trouble Code (31)
Throttle Position Sensor Diagnosis
Check Harness Connector between ECM and Throttle Position Sensor
Check and Adjust Throttle Position Sensor
Trouble Code (32)
Check Harness Connector between ECM and Oxygen Sensor
Check Oxygen Sensor Heater Circuit
Check Oxygen Sensor
Trouble Code (33)
Vehicle Speed Sensor Diagnosis
Check Ground Circuit of Vehicle Speed Sensor 2
Check Power Supply Circuit of Vehicle Speed Sensor 2
Trouble Code (38)
Torque Control Signal Diagnosis
Check Output Signal from ECM
Check Harness Connector between ECM and TCM
Trouble Code (44)
Wastegate Control Solenoid Valve Diagnosis
Trouble Code (45)
Pressure Sensor, Pressure Sources Switching Solenoid Valve Diagnosis
Check Input and Output Signals on ECM
Check Rubber Hose to Contact Intake Manifold Pressure
Check Pressure Sensor
Check Pressure Sources Switching Solenoid Valve
Check Harness Connector between ECM and Pressure Sensor
Check Harness Connector between ECM and Pressure Sources Switching Solenoid Valve
Check Power Supply to Pressure Sources Switching Solenoid Valve
Trouble Code (51)
Neutral Position Switch Diagnosis
Check Neutral Position Switch
Check Harness Connector between ECM and Neutral Position Switch
Park/Neutral Position Switch (AT) Diagnosis
Check Harness Connector between ECM and Inhibitor Switch
Check Inhibitor Switch Ground Circuit
Clutch Outline
Clutch Operation
Hydraulic Application Type
Manual Transmission and Differential
Reverse Check Mechanism Construction
Reverse Check Mechanism Operation
When 5Th and Reverse Side Is Selected
When Shift Is Made to 5Th
When Shift Is Made from 5Th to Reverse
When Shift Is Made to Reverse
Center Differential Construction
Center Differential Mechanism of Viscous Coupling
Torque Characteristics
"Hump" Phenomenon
During Turns at Low Speeds
Acceleration During Standing Starts on a "Low" Road
Driving on Rough Roads
AWD System T-Type
Limited Slip Differential (LSD)
AWD System Operation
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1997 impreza
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