Toyota Tundra Service Manual: 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

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

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

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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