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Toyota 1C User Manual

Toyota 1C
244 pages
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Table of Contents

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Toyota 1C Specifications

General IconGeneral
Engine Code1C
Engine TypeInline-4
Fuel TypeDiesel
Compression Ratio23:1
Fuel SystemIndirect injection
Cooling SystemWater-cooled
ValvetrainSOHC
Displacement1.8 L (1839 cc)

Summary

Introduction

How to Use This Manual

Explains how to navigate and utilize the manual's features and layout.

Repair Procedures

Details the standard format and elements of repair procedures presented in the manual.

References

Mentions that references are kept to a minimum but guides where to find them if required.

Specifications

Describes how specifications are presented within the text and in appendixes for quick reference.

Warnings, Cautions, Notes

Explains the meaning and presentation of warnings, cautions, and notes to ensure safe and effective repairs.

Engine Mechanical

Diesel Engine Diagnosis

Covers troubleshooting and diagnostic procedures for diesel engine problems, starting with general checks.

Diesel Electrical System Diagnosis

Focuses on diagnosing issues within the diesel engine's electrical systems, including the glow plug system.

Turbocharger Diagnosis

Details troubleshooting steps for diagnosing turbocharger performance issues like lack of power or excessive fuel consumption.

Turbocharger Electrical System Diagnosis

Provides diagnostic procedures for electrical faults related to the turbocharger system, including indicator and warning lights.

Engine Tune-Up

Outlines the procedures for performing a standard engine tune-up, covering oil, air filter, and valve clearance checks.

Compression Check

Explains how to measure cylinder compression pressure, including preliminary steps and interpretation of results.

Timing Belt

Covers the removal, inspection, and installation procedures for the engine's timing belt components and system.

Turbocharger

Details the removal, inspection, and installation procedures for the turbocharger unit itself.

Cylinder Head

Describes the disassembly, inspection, cleaning, and assembly of the cylinder head and its related components.

Cylinder Block

Covers the disassembly, inspection, and assembly procedures for the cylinder block and its internal components like pistons and crankshaft.

Fuel System

Replacement of Fuel Filter

Provides step-by-step instructions for removing and installing a new fuel filter, including associated components.

Fuel Filter Warning Switch

Details the inspection and replacement procedures for the fuel filter warning switch.

Injection Nozzle

Covers the removal, testing, disassembly, and installation of the injection nozzles and their holders.

Injection Pump

Outlines the removal, disassembly, inspection, adjustment, and installation procedures for the fuel injection pump.

Cooling System

Troubleshooting

Lists common cooling system problems, their possible causes, and recommended remedies with page references.

Check and Replacement of Engine Coolant

Explains how to check coolant level and quality, and outlines the procedure for replacing engine coolant.

Water Pump

Details the components, removal, inspection, and installation procedures for the water pump.

Thermostat

Covers the removal, inspection, and installation procedures for the engine thermostat.

Radiator

Describes the cleaning, inspection, and disassembly/assembly procedures for the vehicle's radiator.

Electric Cooling Fan

Details the system circuit, on-vehicle inspection, and component inspection for the electric cooling fan system.

Lubrication System

Troubleshooting

Provides a table listing lubrication system problems, possible causes, remedies, and corresponding page numbers.

Oil Pressure Check

Outlines the procedure for checking engine oil quality, level, and pressure using a gauge.

Replacement of Engine Oil and Oil Filter

Details the steps for draining engine oil, replacing the oil filter, and refilling with new oil.

Oil Pump

Covers the components, removal, disassembly, inspection, and assembly/installation of the oil pump.

Oil Cooler and Relief Valve

Describes the components, removal, inspection, and installation procedures for the oil cooler and relief valve.

Oil Nozzle and Check Valve

Explains the inspection procedures for the oil nozzles and the check valve, including their locations.

Starting System

Pre-Heating System

Details the Super Glow Type system circuit, component inspection, and related charts for pre-heating.

Troubleshooting

Lists common starting system problems, their possible causes, and remedies.

Starting System Circuit

Illustrates the electrical circuit diagrams for the starting system, including components like the starter switch and battery.

Starter

Covers the starter components, disassembly, inspection, and assembly procedures for various power ratings.

Starter Relay

Explains the inspection procedures for the starter relay's continuity and operation.

Charging System

Precautions

Lists important safety precautions and checks related to the charging system and battery.

Troubleshooting

Provides a troubleshooting guide for charging system issues, including causes and remedies for warning light behavior.

Charging System Circuit

Illustrates the electrical circuit diagrams for charging systems with and without IC regulators.

On-Vehicle Inspection

Details procedures for inspecting battery, terminals, fuses, drive belts, and alternator wiring.

Alternator (CV, CT, CE)

Covers the components, disassembly, and inspection/repair procedures for the alternator model (CV, CT, CE).

Alternator (CM, CR)

Details the components, disassembly, and inspection/repair procedures for the alternator model (CM, CR).

Alternator Regulator

Explains the inspection and adjustment procedures for the alternator's voltage regulator and relay components.

Charge Light Relay

Provides inspection procedures for the charge light relay's continuity and operation.

Engine Main Relay (CE80, CV, CT)

Details the inspection procedures for the engine main relay in specific vehicle models.

Engine Main Relay (CE70, CM, CR)

Outlines the inspection procedures for the engine main relay in different vehicle models.

Service Specifications

Engine Mechanical

Contains detailed mechanical specifications for engine components, including torque values, clearances, and dimensions.

Fuel System

Lists specifications for fuel system components such as injection nozzles, fuel feed pump, and automatic timer settings.

Cooling System

Provides specifications for coolant capacity, radiator relief valve pressure, and thermostat operating temperatures.

Lubrication System

Includes specifications for oil pressure, oil pump clearances, and oil capacities.

Starting System

Lists specifications for starter components, including voltage, current, brush length, and commutator dimensions.

Charging System

Contains specifications for charging system components like battery gravity, drive belt deflection, alternator output, and regulator voltage.

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