Toyota MR2 MK1 - Service Manual - Wiring Diagram

TOYOTA MR2 MK1 - WORKSHOP, SERVICE, REPAIR MANUAL - WIRING

- English Service Manual, to vehicles Toyota MR2 MK1.

 

CONTENTS:


INTRODUCTION
- How to use this manual
- Identification information
- General repair instructions
- Precautions for vehicles w/ catalytic converter
- Precautions for vehicles w/ an audio system w/ built-in anti-theft
- Vehicle lift and support locations
- Abbreviations used in this manual
MAINTENANCE
- Maintenance schedule
- Maintenance operations
- General maintenance
ENGINE MECHANICAL
- Troubleshooting
- Engine tune-up
- Compression check
- Timing belt
- Cylinder head (4A-GE)
- Cylinder head (4A-GZE)
- Cylinder block
SUPERCHARGER SYSTEM
- Troubleshooting
- Supercharger
- Supercharger relay
EMISSION CONTROL SYSTEMS
- System purpose
- Component layout and schematic drawing (4A-GE)
- Component layout and schematic drawing (4A-GZE)
- Positive crankcase ventilation system
- Fuel evaporative emission control system
- Dash pot system
- Exhaust gas recirculation system (4A-GE)
- Exhaust gas recirculation system (4A-GZE)
- Three-way catalyst system
- Troubleshooting (see page EM-2)
EFI SYSTEM
- Description
- Precautions
- Inspection precautions
- Troubleshooting
- Diagnosis system
- Troubleshooting with volt/ohmmeter (4A-GE)
- Troubleshooting with volt/ohmmeter (4A-GZE)
- Troubleshooting EFI circuit with volt/ohmmeter (4A-GE)
- Troubleshooting EFI circuit with volt/ohmmeter (4A-GZE)

- Fuel system
- Fuel pump
- Cold start injector
- Pressure regulator (4A-GE)
- Pressure regulator (4A-GZE)
- Injector
- Fuel tank and line
- Air induction system
- Air flow meter
- Throttle body
- Idle speed control valve (4A-GZE)

- Auxiliary air valve (4A-GE)
- Electronic control system
- Location of electronic control parts
- EFI main relay
- Circuit opening relay
- Solenoid resistor (4A-GZE) and injector relay
- Start injector time switch
- Water temperature sensor
- EGR gas temperature sensor (California)
- High temperature line pressure up system
- Idle-up system
- Oxygen sensor
- Electronic controlled unit (ECU)
- Fuel cut RPM
COOLING SYSTEM
- Troubleshooting
- Check of engine coolant
- Replacement of engine coolant
- Water pump
- Thermostat
- Radiator
- Electric cooling fan (radiator)
- Electric cooling fan (engine compartment)
LUBRICATION SYSTEM
- Troubleshooting
- Oil pressure check
- Replacement of engine oil and oil filter
- Oil pump
- Oil cooler and pressure regulator
IGNITION SYSTEM
- Precautions
- Troubleshooting
- Electronic spark advance
- On-vehicle inspection
- Distributor
STARTING SYSTEM
- Troubleshooting
- Starter
- Clutch starter relay
- Clutch start switch (see page CL-4)
CHARGING SYSTEM
- Precautions
- Troubleshooting
- On-vehicle inspection
- Alternator
- Engine main relay
CLUTCH
- Troubleshooting
- Check and adjustment of clutch pedal
- Bleeding of clutch system
- Inspection of clutch start system
- Clutch master cylinder
- Clutch release cylinder
- Clutch unit
MANUAL TRANSAXLE
- Precautions
- Troubleshooting
- Removal of transaxle
- C52 transaxle
- Transmission components
- Disassembly of transmission
- Inspection of transmission components
- Assembly of transmission
- Differential
- E51 transaxle
- Components
- Removal of component parts
- Inspection of component parts
- Input shaft assembly
- Output shaft assembly
- Oil pump assembly
- Shift and slect lever assembly
- Differential
- Installation of component parts
- Installation of transaxle
- Shift lever and control cable
AUTOMATIC TRANSAXLE
- System description
- Troubleshooting
- Basic troubleshooting
- General troubleshooting
- Preliminary check
- Manual shift test
- Stall test
- Time lag test
- Hydraulic test
- Road test
- Electronic control system
- Operating mechanism for each gear
- Automatic shift schedule (A240E/4A-GE)
- Automatic shift schedule (A240E/4A-GZE)
- On-vehicle repair
- Removal of transaxle
- Torque converter
- Oil pump
- Disassembly of transmission
- Component group disassembly, inspection and assembly
- Oil pump
- Direct clutch
- Forward clutch
- No.1 one-way clutch and sun gear
- No.2 one-way clutch and rear planetary gear
- First and reverse brake piston
- Intermediate shaft
- Counter shaft
- Valve body
FRONT AXLE AND SUSPENSION
- Troubleshooting
- Front wheel alignment
- Front axle hub
- Front shock absorber
- Front suspension
- Ball joint
- Lower arm
- Stabilizer bar and link
- Strut bar
REAR AXLE AND SUSPENSION
- Troubleshooting
- Rear wheel alignment
- Rear axle hub and carrier
- Rear drive shaft
- Rear suspension
- Rear shock absorber
- Ball joint
- Lower arm
- Strut rod
- Suspension arm
- Stabilizer bar and link
BRAKE SYSTEM
- Precautions
- Troubleshooting
- Checks and adjustments
- Master cylinder
- Brake booster
- Front brake
- Rear brake
- Brake hoses and tubes
STEERING
- Precautions
- Troubleshooting
- On-vehicle inspection
- Steering column assembly
- Steering gear housing
BODY ELECTRICAL SYSTEM
- General information
- Location of switches and relays
- Ignition switch
- Lighting
- Wiper and washer
- Instruments, gauges and wiring lights
- Rear window defogger
- Heater
- Cruise control system
- Power window
- Door lock control system
- Remote control mirror
- Audio system
- Clock
BODY
- General information
- Front hood
- Engine hood
- Headlight
- Front door
- Luggage compartment lid
- Moulding
- Windshield
- Quarter window glass
- Rear window glass
- T-bar roof
- Sun roof
- Instrument panel
- Seat
- Seat belt
- Body dimensions
AIR CONDITIONING SYSTEM
- General information
- A/C system circuit
- System components
- General description
- Special tools and equipment
- SSM (special service materials)
- Troubleshooting
- Checking of refrigeration system w/ manifold gauge
- On-vehicle inspection
- Refrigeration system
- Checking of refrigeration volume
- Installation of manifold gauge set
- Compressor
- Receiver
- Condenser
- Condenser fan motor
- Relays
- Pressure switch
- Water temperature sensor
- Cooling unit
- Evaporator
- Refrigerant lines
- Thermistor
- A/C switch
- A/C amplifier
- Vacuum switching valve
SERVICE SPECIFICATIONS
- Maintenance
- Engine mechanical
- Supercharger system
- EFI system
- Cooling system
- Lubrication system
- Ignition system
- Starting system
- Charging system
- Clutch
- Manual transaxle
- Automatic transaxle
- Front axle and suspension
- Rear axle and suspension
- Brake system
- Steering
- Body
- Lubricant
STANDARD BOLT TORQUE SPECIFICATIONS
- Standard bolt torque specifications
SST AND SSM
- Special service tools
- Special service materials
ELECTRICAL WIRING DIAGRAMS
- How to read this section
- System index