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Home >> Nissan-Datsun >> 2020 >> Versa SR >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Security Control System (Without Intelligent Key System) >> System Description >> Component Parts >> Component Description

Component Description

Item

Function

BCM

Verifies the received signal from the ignition key ID, then informs ECM whether to allow engine start.

Transmission range switch (CVT models)

Detects whether the shift lever is in park.

Starter control relay

Supplies battery voltage to the starter motor when enabled.

NATS antenna amp.

Detects the ignition key presence in the ignition key cylinder.

Security indicator

Indicates the status of the security system.

IPDM E/R

Supplies battery voltage from integrated starter control relay to the starter motor.

Clutch interlock switch (M/T models)

Clutch interlock switch detects that clutch pedal is depressed, then provides power source to starter control relay and starter relay, and transmits ON/OFF signal to BCM.