Toyota Tundra Service Manual: Terminals Of Ecu

Toyota Tundra Service Manual / Audio, Visual, Telematics / Park Assist / Monitoring / Blind Spot Monitor System / Terminals Of Ecu

TERMINALS OF ECU

1. BLIND SPOT MONITOR SENSOR RH (MASTER)

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
S6-4 (OMIR) - S6-10 (BRGD)	L - W-B	Outer rear view mirror indicator power source signal RH	Outer rear view mirror indicator illuminated	3.5 to 9.5 V
			Outer rear view mirror indicator blinks	Alternating between 0 to 9.5 V
			Outer rear view mirror indicator not illuminated	Below 1 V
S6-5 (BRB) - S6-10 (BRGD)	Y - W-B	IG power source signal	Ignition switch off	Below 1 V
S6-5 (BRB) - S6-10 (BRGD)	Y - W-B	IG power source signal	Ignition switch ON	11 to 14 V
S6-10 (BRGD) - Body Ground	W-B - Body ground	Ground	Always	Below 1 Ω

2. BLIND SPOT MONITOR SENSOR LH (SLAVE)

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
S5-3 (BUZ) - S5-10 (BLGD)	G - W-B	RCTA buzzer (blind spot monitor buzzer) operation signal	RCTA buzzer (blind spot monitor buzzer) not sounding	11 to 14 V
S5-3 (BUZ) - S5-10 (BLGD)	G - W-B	RCTA buzzer (blind spot monitor buzzer) operation signal	RCTA buzzer (blind spot monitor buzzer) sounding	Alternating between 0 to 14 V
S5-4 (OMIL) - S5-10 (BLGD)	V - W-B	Outer rear view mirror indicator power source signal LH	Outer rear view mirror indicator illuminated	3.5 to 9.5 V
			Outer rear view mirror indicator blinks	Alternating between 0 to 9.5 V
			Outer rear view mirror indicator not illuminated	Below 1 V
S5-5 (BLB) - S5-10 (BLGD)	BR - W-B	IG power source signal	Ignition switch off	Below 1 V
S5-5 (BLB) - S5-10 (BLGD)	BR - W-B	IG power source signal	Ignition switch ON	11 to 14 V
S5-10 (BLGD) - Body Ground	W-B - Body ground	Ground	Always	Below 1 Ω

System Diagram

Lost Communication with ECM / PCM "A" (U0100,U0125,U0126,U0129,U0142)

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Toyota Tundra Service Manual: Terminals Of Ecu

System Diagram

Lost Communication with ECM / PCM "A" (U0100,U0125,U0126,U0129,U0142)

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