Hyundai Santa Fe (2006 year). Manual — part 277

GENERAL

EC -5

SCHEMATIC DIAGRAM

E6C3F98F

*1. Mass Air Flow Sensor (MAFS)
*2. Intake Air Temperature Sensor (IATS)
*3. Engine Coolant Tmeperature Sensor (ECTS)
*4. Throttle Position Sensor (TPS)
*5-1. Camshaft Position Sensor (CMPS) [BANK1]
*5-2. Camshaft Position Sensor (CMPS) [BANK2]
*6. Crankshaft Position Sensor (CKPS)
*7-1. Knock Sensor (KS) #1
*7-2. Knock Sensor (KS) #2
*8-1. Heated Oxygen Sensor (HO2S) [B1/S1]
*8-2. Heated Oxygen Sensor (HO2S) [B1/S2]
*9-1. Heated Oxygen Sensor (HO2S) [B2/S1]
*9-2. Heated Oxygen Sensor (HO2S) [B2/S2]
*10. Manifold Absolute Pressure Sensor (MAPS)
*11. CVVT Oil Temperature Sensor (OTS)

. Ignition Switch

. Battery Voltage

. Vehicle Speed Signal

. Coolant Load Signal

. "PNP" Switch (A/T only)

. Fuel Pump Relay Signal

PCM

**1. Fuel Injector
**2. Ignition Coil
**3. Purge Control Solenoid
Valve (PCSV)
**4-1. CVVT Oil control
valve (OCV) [BANK1]
**4-2. CVVT Oil control
valve (OCV) [BANK2]
**5-1. Variable Intake Manifold
Solenoid (VIS) Valve [Surge Tank]
**5-2. Variable Intake Manifold
Solenoid (VIS) Valve [Intake Manifold]
**6. ETC Motor
. Fuel Pump Control
. Main Relay
. Cooler Relay
. Ignition Timing Control
. Disagnosis

PCM

Fuel Filter

OUTPUT

INPUT

Fuel Pump

Fuel Tank

Air Cleaner

Fuel Tank

Air Filter

Fuel Tank

MCC

MCC

Spar

k Plug

Ignition

Switch

Main Relay

Battery

Fuel Pump Relay

LELG001K

EC -6

EMISSIONS CONTROL SYSTEM

CRANKCASE EMISSION
CONTROL SYSTEM

COMPONENTS

EAB892E6

During Low Load Operation
During High Load Operation

Fresh Air

Air intake hose

Breather hose

PCV Valve

Surge Tank

LELG001L

CRANKCASE EMISSION CONTROL SYSTEM

EC -7

INSPECTION

EE69E0AE

1.

Disconnect the ventilation hose from the positive
crankcase ventilation (PCV) valve. Remove the PCV
valve from the rocker cover and reconnect it to the
ventilation hose.

2.

Run the engine at idle and put a finger on the open
end of the PCV valve and make sure that intake man-
ifold vacuum can be felt.

NOTE

The plunger inside the PCV valve will move back and
forth.

SCMEC6004L

EC -8

EMISSIONS CONTROL SYSTEM

POSITIVE CRANKCASE
VENTILATION (PCV) VALVE

OPERATION

EBB0DAB9

Intake manifold side (No vacuum)

Rocker cover side

BEGE001S

Intake manifold side (High vacuum)

Rocker cover side

BEGE001T

Engine condition

Not running

Engine condition

Idling or decelerating

PCV valve

Not operating

PCV valve

Fully operating

Vacuum passage

Restricted

Vacuum passage

Small

Intake manifold side (Moderate vacuum)

Rocker cover side

BEGE001U

Intake manifold side (Low vacuum)

Rocker cover side

BEGE001V

Engine condition

Normal operation

Engine condition

Accelerating and high load

PCV valve

Properly operating

PCV valve

Slightly operating

Vacuum passage

Large

Vacuum passage

Very large