Description & Operation: Inputs

WARNING: This page is about a different car, the 2002 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: For wiring diagrams, see WIRING DIAGRAMS .

Power is supplied at all times to Smart Entrance Control Unit (SECU) terminal No. 49 and to key switch terminal No. 2, through 7.5-amp fuse No. 24, located in the fuse block (J/B).

When the key switch is "ON" (ignition key is inserted in key cylinder), power is supplied through key switch terminal No. 1, to SECU terminal No. 25.

When the left front door switch is "ON", door is open, ground is supplied to SECU terminal No. 1, through left front door switch terminal No. 1, to left front door switch terminal No. 2, through body grounds "B11", "B22" and "D210".

When the right front door switch is "ON", door is open, ground is supplied to SECU terminal No. 2, through right front door switch terminal No. 1, to right front door switch terminal No. 2, through body grounds "B55" and "B75".

When all the doors switches are "ON", door is open, ground is supplied to SECU terminal No. 3, through front door switch terminals No. 3, to front door switch case grounds and through rear door switch terminals No. 1, to rear door switch case grounds and through back door switch terminal No. 2, to back door switch terminal No. 1, through body grounds "B11", "B22" and "D210".

When left "Lock/Unlock" switch is in "LOCK" position, ground is supplied to SECU terminal No. 5, through left "Lock/Unlock" switch terminal No. 6 and through body grounds "M77" and "M111".

When "Left Lock/Unlock" switch is in "UNLOCK" position, ground is supplied to SECU terminal No. 4, through left "Lock/Unlock" switch terminal No. 19 and through body grounds "M77" and "M111".

Remote controller signal is inputted to SECU (the antenna of the system is combined with SECU).