BSW System Symptoms

WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: Perform the self-diagnosis with CONSULT before the symptom diagnosis. Perform the trouble diagnosis if any DTC is detected.

NOTE: For the operational conditions of BSW, refer to System Description .

Symptom		Possible cause	Inspection item/Reference
Indicator/warning lamps do not illuminate when ignition switch OFF → ON.	BSW warning lamp (Yellow) does not illuminate	BSW warning lamp signal (CAN) Combination meter ADAS control unit BSW warning lamp (combination meter)	Power supply and ground circuit of ADAS control unit Refer to Diagnosis Procedure ADAS control unit Active test "METER LAMP" Refer to CONSULT Function (ICC/ADAS) . ADAS control unit Data monitor "BSW/BSI WARN LMP" Refer to CONSULT Function (ICC/ADAS) .
	Warning system switch ON indicator (on the warning system switch) does not illuminate	Harness between ADAS control unit and warning system switch Warning system switch ADAS control unit	Warning system switch ON indicator circuit Refer to Diagnosis Procedure
	BSW indicator does not turn ON	Harness between side radar and BSW indicator Side radar LH/RH BSW indicator	Perform self-diagnosis of side radar Refer to CONSULT Function (SIDE RADAR LEFT) or CONSULT Function (SIDE RADAR RIGHT)
BSW system is not activated. (Indicator/warning lamps illuminate when ignition switch OFF → ON.)	BSW ON indicator is not turned ON → OFF when operating warning system switch	Harness between ADAS control unit and warning system switch Harness between warning system switch and ground ADAS control unit Warning system switch	Warning system switch ON indicator circuit Refer to Diagnosis Procedure
	Buzzer is not sounding	ADAS control unit Warning buzzer	Warning buzzer circuit Refer to Component Function Check