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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INSPECTION PROCEDURE 1. INSPECT DIFFERENTIAL VACUUM ACTUATOR ASSEMBLY (a) Inspect the A.D.D. actuator (differential vacuum actuator assembly). (1) Remove the A.D.D. actuator (differential vacuum actuator assembly) (See page ). (2) Check the Free to Lock switch. Connect lines via a relay as shown in ...

Toyota Tundra Service Manual: Terminals Of Ecu

System Diagram

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

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