Terminals and Reference Value for Rear Combination Lamp Control Unit

WARNING: This page is about a different car, the 2008 Infiniti FX45 and 2008 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.

REAR COMBINATION LAMP CONTROL UNIT TERMINALS REFERENCE

Terminal No.	Wire Color	Signal name	Measuring condition		Reference value
Terminal No.	Wire Color	Signal name	Ignition switch	Operation or condition	Reference value
1	GY	Ignition switch (ON)	ON	-	Battery voltage
2	R	Tail lamp signal	-	Lighting switch OFF	Approx. 0 V
2	R	Tail lamp signal	-	Lighting switch 1ST	Battery voltage
3	P	Stop lamp signal	-	Brake pedal released (stop lamp switch OFF)	Approx. 0 V
3	P	Stop lamp signal	-	Brake pedal depressed (stop lamp switch ON)	Battery voltage
4	OR	Turn signal lamp LH signal	ON	Turn signal switch OFF, hazard switch OFF	Approx. 0 V
			ON	Turn signal switch LH	Courtesy of NISSAN MOTOR CO., U.S.A. Approx. 6.0 V
			-	Hazard switch ON	Courtesy of NISSAN MOTOR CO., U.S.A. Approx. 6.0 V
5	PU	Turn signal lamp RH signal	ON	Turn signal switch OFF, hazard switch OFF	Approx. 0 V
			ON	Turn signal switch RH	Courtesy of NISSAN MOTOR CO., U.S.A. Approx. 6.0 V
			-	Hazard switch ON	Courtesy of NISSAN MOTOR CO., U.S.A. Approx. 6.0 V
6	SB	Warning output signal	ON	When turn signal lamp operates normally	Courtesy of NISSAN MOTOR CO., U.S.A. Approx. 5.0 V
6	SB	Warning output signal	ON	Except when turn signal lamp operates normally	Approx. 9.9 V
7	B	Ground	ON	-	Approx. 0 V
8	Y	Rear combination lamp RH ground	ON	-	Approx. 0 V
9	LG	Rear combination lamp drive signal (RH)	-	Lighting switch OFF, brake pedal released (stop lamp switch OFF), turn signal switch OFF, hazard switch OFF	Approx. 0 V
				Lighting switch 1ST	Courtesy of NISSAN MOTOR CO., U.S.A. Approx. 0.3 V
				Brake pedal depressed (stop lamp switch ON)	Battery voltage
			ON	Turn signal switch RH	Courtesy of NISSAN MOTOR CO., U.S.A. Approx. 3.7 V
			-	Hazard switch ON	Courtesy of NISSAN MOTOR CO., U.S.A. Approx. 3.7 V
10	BR	Rear combination lamp LH ground	ON	-	Approx. 0 V
11	W	Rear combination lamp drive signal (LH)	-	Lighting switch OFF, brake pedal released (stop lamp switch OFF), turn signal switch OFF, hazard switch OFF	Approx. 0 V
				Lighting switch 1ST	Courtesy of NISSAN MOTOR CO., U.S.A. Approx. 0.3 V
				Brake pedal depressed (stop lamp switch ON)	Battery voltage
			ON	Turn signal switch LH	Courtesy of NISSAN MOTOR CO., U.S.A. Approx. 3.7 V
			-	Hazard switch ON	Courtesy of NISSAN MOTOR CO., U.S.A. Approx. 3.7 V