ARIA

ENGINE

172

TIGHTENING TORQUE

DESCRIPTION TORQUE

Hex screw M4 x16 0.66 Kgfm

CONNECTOR DETAILS

PIN OUT DETAILS

PIN NO

DESCRIPTION

Air mass flow input

Air inlet temperature input

Air mass flow return

Air mass flow sensor supply

REMOVAL

1. Disconnect the wiring harness connector from

sensor.

2. Remove the connecting hose (

sensor housing to

turbocharger

) (

) from sensor housing by un-

clamping the hose clamps (

) with help of plier.

3. Remove two mounting screws of sensor assem-

bly and take out from its location along with

rubber sealing ring.

INSPECTION

With Ignition 'ON',

•

Check Output Voltage between Pin 3 (

MAF

) and

Pin 5 (

GND

).it should be between 0 to 1 V.

•

Check Output Current between Pin 1 (

) and

Pin 5 (

GND

).it should between 35 and 55 mA.

NOTE

Check the SIMAF Sensor with no mass flow. The

above given values are for zero mass flow.

REFITMENT

1. Locate sensor assembly in the air filter housing

along with the rubber sealing ring and fit two

mounting screws.

2. Fit the connecting hose (

sensor housing to turbo-

charger

) and fit the hose clamp.

3. Connect the wiring harness connector to the sen-

sor.

NOTE

Ensure that no damage to the rubber hose while re-

moving and re-fitment.