Engine Control Harness (Qr25DE)

Fig 1: Location Of Engine Control Harness (QR25DE)

Courtesy of NISSAN MOTOR CO., U.S.A.

ENGINE CONTROL HARNESS DESCRIPTION

G3	F1	W/2	: To E2	F4	F25	BR/48	: ECM
G3	F2	W/24	: To E3	F3	F26	B/2	: Park/neutral position (PNP) switch (with M/T)
B4	F3	B/2	: A/C compressor	F4	F26	G/8	: Transmission range switch (with CVT)
E2	F4	W/2	: Condenser-2	D1	F27	-	: Starter motor (CVT)
D2	F6	GR/2	: Engine coolant temperature sensor	D4	F27	-	: Starter motor (M/T)
D1	F7	B/6	: Electric throttle control actuator	E5	F28	-	: Starter motor (M/T)
C2	F8	GR/2	: Knock sensor	D1	F28	GR/1	: Starter motor (CVT)
B3	F9	-	: Engine ground	D2	F30	B/3	: Secondary speed sensor
G3	F10	W/16	: To E17	F2	F31	B/6	: Mass air flow sensor
D2	F11	B/3	: Camshaft position sensor (PHASE)	C1	F32	B/3	: Oil pressure switch
C4	F12	GR/4	: Air fuel ratio (A/F) sensor 1 (bank 1)	B2	F33	GR/2	: Intake valve timing control solenoid valve
C3	F13	L/2	: EVAP canister purge volume control solenoid valve	C3	F34	GR/3	: Ignition coil No. 1 (with power transistor)
C4	F14	B/3	: Generator	C3	F35	GR/3	: Ignition coil No. 2 (with power transistor)
B1	F15	-	: Generator	D3	F36	GR/3	: Ignition coil No. 3 (with power transistor)
B3	F16	-	: Engine ground	D3	F37	GR/3	: Ignition coil No. 4 (with power transistor)
B1	F17	-	: Generator	E3	F38	B/3	: Primary speed sensor
B2	F18	GR/2	: Fuel injector No. 1	E3	F40	-	: Fusible link box (battery)
C2	F19	GR/2	: Fuel injector No. 2	D3	F42	GR/4	: Air fuel ratio (A/F) sensor 1 (bank 2)
D2	F20	GR/2	: Fuel injector No. 3	B3	F43	B/4	: Heated oxygen sensor 2 (bank 1)
D2	F21	GR/2	: Fuel injector No. 4	D4	F45	B/4	: Heated oxygen sensor 2 (bank 2)
E1	F22	B/3	: Crankshaft position sensor (POS)	F3	F46	B/22	: CVT unit
F2	F23	B/48	: TCM (transmission control module)	F3	F47	B/2	: Back-up lamp switch
E4	F24	GR/32	: ECM