Kia Carens. Manual - part 74

  2001 > 1.8L DOHC >

 

Removal

1. Disconnect negative battery cable.

2. Remove cooling fan motor relay from engine compartment fuse/relay box.

Installation

1. Install cooling fan motor relay from engine compartment fuse/relay box.

2. Connect negative battery cable.

Inspection

1. Check continuity with an ohmmeter.

Terminal

Continuity

30-87

No

85-86

Yes

2. Apply 12V to terminal 85 and ground to terminal 86.

Check for continuity between terminals 30 and 87.

3. If there is no continuity, replace cooling fan motor.

  2001 > 1.8L DOHC >

 

Description

Component description table

Component

Function

Remark

A/C relay

Controls A/C operation according to vehicle conditions and
sends A/C operation condition signals to ECM.

Controls condenser fan
operation

A/C switch

Controls battery power to A/C relay

Normally open type

Air cleaner

Filters air entering throttle body

Dry type

Camshaft position#(CMP)

sensor

Detects No.1 cylinder TDC; sends signal to ECM

Installed at rear of cylinder
head

Check valve

Maintains pressure in the Fuel tank and regulates vapor
flow to the evaporative emissions canister

Located in the evaporative
system lines next to the fuel
tank

Crankshaft position#(CKP)

sensor

Detects crank shaft angle from flywheel rotation and sends
signal to ECM

SGT signal

Data link connector#(DLC)

Centalized service connector for on-board diagnosis

For on-board diagnosis and
service/inspection

EGI main relay

Supplies battery power to electrical devices

1. Normal open type
2. Controlled by ECM

Engine control

module#(ECM)

Detects the following:

1. A/C operation

1. Air conditioning switch

2. Air/fuel ratio# (oxygen concentration)

2. Oxygen sensor

3. Cranking signal

3. Ignition switch

4. Engine coolant temperature

4. Engine coolant
temperature sensor

5. Engine speed

5. Crankshaft
position#(CKP) sensor (SGT
signal)

6. Ignition ON signal

6. Ignition switch

7. In-gear condition (A/T only)

7. Transaxle range switch
(A/T)

8. Intake air amount

8. Mass air flow sensor

9. Intake air temperature

9. Intake air temperature
sensor

10. No. 1 piston TDC(compression stroke)

10. Camshaft position (CMP)
sensor (SGC signal)

11. Throttle valve opening angle

11. Throttle position sensor

Controls operation of following:

1. A/C (cut-off)

1. A/C cut relay

2. Self-diagnosis function

2. Hi-scan pro & MIL

3. Fuel injection system

3. Injector

4. Idle speed control

4. Idle air control valve

5. Purge control system

5. Evaporative canister
purge valve

6 Fuel pump control

6. Fuel pump relay

7 Cooling fan control

7. Cooling fan control relay

Engine coolant temperature

(ECT) sensor

Detects engine coolant temperature and sends signal to
ECM

Installed near thermostat

Intake air

temperature(IAT)sensor

Detects intake temperature and sends signal to ECM

Installed in air cleaner

thermostat

Fuel filter (high pressure
side)

Filters fine dirt particles in fuel discharged from the fuel
pump

-

Fuel filter# (low pressure

side)

Filters fuel in fuel tank

Installed into fuel pump

assembly

Fuel injector

Injects fuel into intake port

Controlled by signals from
ECM

Fuel pressure regulator

Adjusts fuel pressure supply to injectors

Controlled by intake
manifold vacuum

Fuel pump

Supplies fuel from fuel tank to fuel under pressure

Actuated by fuel pump relay
installed

Fuel pump relay

Controls battery power to fuel pump

1. Normal open type
2. Actuated by ECM fuel
pump cintrol signal or by
jumping data link connector
terminal #1 to B+

Heated oxygen sensor

Detects oxygen density in exhaust gas and sends signal to
ECM

1. Located in exhaust
manifold
2. For air/fuel mixture
adjustment

Idle air control(IAC) valve

Supplies intake air to engine, bypassing throttle valve

1. For idle speed control
2. Actuated by ECM idle
speed control signal

Ignition coils

Supplies secondary voltage to spark plugs

Mounted directly above
spark plugs

Ignition control module

Controls operation of ignition coils

Incorporated into ECM

Ignition switch

Starts engine and controls battery power to electrical
devices

-

Intake manifold

Supplies intake air to all cylinders

-

Main relay

Supplies current to output devices and ECM

-

Mass air flow (MAF) sensor Detects amount of intake air and sends signal to ECM

Hot film type

Positive crankcase

ventilation (PCV) valve

Sends blow-by gas in crankcase into intake manifold
(dynamic chamber)

1. Actuatedd by intake
manifold vacuum
2. For blow-by gas
recirculation

Resonance chamber

Reduces intake air suction noise and increases engine
torque

-

Starter

Starts engine by rotating flywheel ring gear

-

Three way catalytic

converter

Reduces HC, CO, and NO in exhaust through chemical
reaction

For exhaust gas emissions
reduction

Throttle body

Controls intake air amount

-

Throttle position sensor

Detects throttle valve opening angle and sends signal to
ECM

Installed on throttle body

Transaxle control

module(A/T)

Controls functions of transaxle for better performance and
shift quality

Located below instrument
panel behind left lower trim
panel