Nissan Sentra B18 (2020-2025) Service Manual: Component Function Check

Nissan Sentra B18 (2020-2025) Service Manual / Driver Information & Multimedia / Warning Chime System :: Dtc/circuit Diagnosis / Front Seat Belt Buckle Switch Lh Signal Circuit / Component Function Check

Component Function Check

CHECK BCM INPUT SIGNAL

CONSULT

Select “Data Monitor” mode of “BCM(BCM)” and check the “Seat belt switch (driver)” monitor value.

Monitor item	Condition	Status
Seat belt switch (driver)	When front seat belt LH is fastened	OFF
Seat belt switch (driver)	When front seat belt LH is unfastened	ON

YES >>

Inspection End.

NO >>

Refer to Diagnosis Procedure.

Diagnosis Procedure

Diagnosis Procedure CHECK BCM INPUT SIGNAL Ignition switch ON. Check voltage between BCM ...

Other materials:

Additional Service When Replacing Tcm
Description Description CAUTION: When replacing the TCM, always replace it with a new one. The functions controlled by the TCM does not operate properly in case of reuse of the TCM from another Nissan Sentra vehicle. Perform the following work when TCM is replaced. Fo ...

Component parts
Component parts location Bcm (view with instrument panel removed) Ipdm e/r (rear window defogger relay) A/c auto amp. (View with a/c switch assembly removed) A/C switch assembly (rear window defogger switch) (with auto A/C) A/c switch assembly (rear window defogger switch) (wit ...

Dtc Diagnosis Procedure
DTC Diagnosis Procedure PERFORM SELF DIAGNOSIS RESULT CONSULT Ignition switch ON. Erase "Self Diagnostic Result" mode of "EPS/DAST 3". ...