OUTLINE - COMPONENT DESCRIPTIONS

F-10spec table

Clutch switch row notes (M/T) variant only.

COMPONENT DESCRIPTIONS

Component Descriptions

Component	Function	Remark
Air cleaner	Filters air entering throttle body
Airflow meter	Detects amount of intake air; sends signal to engine control unit	• Intake air thermosensor and fuel pump switch included • Use Vref (5 volts) as power source
Air valve	When cold, supplies bypass air into dynamic chamber	• Engine speed increased to shorten warm-up period • Thermowax type
Atmospheric pressure sensor	Detects atmospheric pressure; sends signal to engine control unit	Built-in ECU
Catalytic converter	Reduces HC, CO, and NOx by chemical reaction	Monolith type
Charcoal canister	Stores gas tank fumes while engine stopped
Circuit opening relay	Voltage for fuel pump while engine running
Clutch switch (M/T)	Detects in-gear condition; sends signal to engine control unit	Switch OFF when clutch pedal released
Diagnosis connector	Concentrated service connector Concentrated terminals are: 1. EGI self-diagnosis terminal 2. Initial set terminal 3. Fuel pump check terminal 4. Cooling fan check terminal	21-pin (Black)
Crank angle sensor G-signal Ne-signal	Detects No.1 cylinder TDC; sends signal to engine control unit Detects crank angle at 180° intervals; sends signal to control unit
Dynamic chamber	Interconnects all cylinders
Engine control unit (ECU)	Detects the following: 1. A/C operation 2. Air/fuel ratio (Oxygen concentration) 3. Atmospheric pressure 4. Braking signal 5. Cranking signal 6. E/L operation 7. Engine coolant temperature 8. Engine speed 9. In-gear condition 10. Intake air amount 11. Intake air temperature 12. No.1 piston TDC 13. P/S operation 14. Initial set terminal 15. Throttle valve fully closed 16. Throttle valve opening amount Controls operation of the following: 1. A/C (Cut off) 2. Fail-safe function 3. Fuel injection system 4. Idle speed control 5. Ignition timing control system 6. Monitor function 7. Purge control system	1. A/C switch 2. Oxygen sensor 3. Atmospheric pressure sensor 4. Stoplight switch 5. Ignition switch (START position) 6. Cooling fan relay Light and turn relay Blower motor switch 7. Water thermosensor 8. Crank angle sensor (Ne-signal) 9. Neutral and clutch switches 10. Airflow meter 11. Intake air thermosensor 12. Crank angle sensor (G-signal) 13. P/S pressure switch 14. Diagnosis connector 15. Throttle sensor (IDL signal) 16. Throttle sensor (POW signal) 1. A/C relay 2. Self-diagnosis checker and MIL 3. Injector 4. ISC valve 5. Igniter 6. Monitor lamp (Self-diagnosis checker) 7. Solenoid valve (Purge control)

Air cleaner

FunctionFilters air entering throttle body

Remark

Airflow meter

FunctionDetects amount of intake air; sends signal to engine control unit

Remark• Intake air thermosensor and fuel pump switch included • Use Vref (5 volts) as power source

Air valve

FunctionWhen cold, supplies bypass air into dynamic chamber

Remark• Engine speed increased to shorten warm-up period • Thermowax type

Atmospheric pressure sensor

FunctionDetects atmospheric pressure; sends signal to engine control unit

RemarkBuilt-in ECU

Catalytic converter

FunctionReduces HC, CO, and NOx by chemical reaction

RemarkMonolith type

Charcoal canister

FunctionStores gas tank fumes while engine stopped

Remark

Circuit opening relay

FunctionVoltage for fuel pump while engine running

Remark

Clutch switch (M/T)

FunctionDetects in-gear condition; sends signal to engine control unit

RemarkSwitch OFF when clutch pedal released

Diagnosis connector

FunctionConcentrated service connector Concentrated terminals are: 1. EGI self-diagnosis terminal 2. Initial set terminal 3. Fuel pump check terminal 4. Cooling fan check terminal

Remark21-pin (Black)

Crank angle sensor G-signal Ne-signal

FunctionDetects No.1 cylinder TDC; sends signal to engine control unit Detects crank angle at 180° intervals; sends signal to control unit

Remark

Dynamic chamber

FunctionInterconnects all cylinders

Remark

Engine control unit (ECU)

FunctionDetects the following: 1. A/C operation 2. Air/fuel ratio (Oxygen concentration) 3. Atmospheric pressure 4. Braking signal 5. Cranking signal 6. E/L operation 7. Engine coolant temperature 8. Engine speed 9. In-gear condition 10. Intake air amount 11. Intake air temperature 12. No.1 piston TDC 13. P/S operation 14. Initial set terminal 15. Throttle valve fully closed 16. Throttle valve opening amount Controls operation of the following: 1. A/C (Cut off) 2. Fail-safe function 3. Fuel injection system 4. Idle speed control 5. Ignition timing control system 6. Monitor function 7. Purge control system

Remark1. A/C switch 2. Oxygen sensor 3. Atmospheric pressure sensor 4. Stoplight switch 5. Ignition switch (START position) 6. Cooling fan relay Light and turn relay Blower motor switch 7. Water thermosensor 8. Crank angle sensor (Ne-signal) 9. Neutral and clutch switches 10. Airflow meter 11. Intake air thermosensor 12. Crank angle sensor (G-signal) 13. P/S pressure switch 14. Diagnosis connector 15. Throttle sensor (IDL signal) 16. Throttle sensor (POW signal) 1. A/C relay 2. Self-diagnosis checker and MIL 3. Injector 4. ISC valve 5. Igniter 6. Monitor lamp (Self-diagnosis checker) 7. Solenoid valve (Purge control)

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OUTLINE - COMPONENT DESCRIPTIONS

COMPONENT DESCRIPTIONS

Component Descriptions

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