RCTA 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 RCTA, refer to System Description .

Symptom		Possible cause	Inspection item/Reference
Indicator/warning lamps do not illuminate when ignition switch OFF → ON.	RCTA warning lamp (Yellow) does not illuminate	RCTA warning lamp signal Combination meter ADAS control unit RCTA 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) .
	Sonar system OFF switch indicator" (on Sonar system OFF switch) does not illuminate	Harness between ADAS control unit and sonar system OFF switch Sonar system OFF switch ADAS control unit	Sonar system OFF switch indicator circuit Refer to Diagnosis Procedure
	RCTA indicator does not turn ON	Harness between side radar and RCTA indicator Side radar LH/RH RCTA indicator	Perform self-diagnosis of side radar Refer to CONSULT Function (SIDE RADAR LEFT) or CONSULT Function (SIDE RADAR RIGHT)
RCTA system is not activated. (Indicator/warning lamps illuminate when ignition switch OFF → ON.)	Sonar system OFF switch is not turned ON → OFF when operating sonar system OFF switch	Harness between ADAS control unit and sonar system OFF switch Harness between sonar system OFF switch and ground ADAS control unit Sonar system OFF switch	Sonar system OFF switch circuit Refer to Diagnosis Procedure
	Buzzer is not sounding	ADAS control unit Warning buzzer	Warning buzzer circuit Refer to Component Function Check