Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Terminals Of Ecu

TERMINALS OF ECU

1. BLIND SPOT MONITOR SENSOR LH (MASTER)

Terminal No.

(Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

B12-3 (BIND) - B12-10 (BLGD)

Y - W-B

Blind spot monitor main switch indicator signal

Blind spot monitor main switch indicator illuminated

11 to 14 V

Blind spot monitor main switch indicator not illuminated

Below 1 V

B12-4 (OMIL) - B12-10 (BLGD)

G - W-B

Outer rear view mirror indicator power source signal RH

Outer rear view mirror indicator illuminated

2.5 to 7.5 V

Outer rear view mirror indicator blinks

Alternating between 0 to 7.5 V

Outer rear view mirror indicator not illuminated

Below 1 V

B12-5 (BLB) - B12-10 (BLGD)

LG - W-B

IG power source signal

Ignition switch off

Below 1 V

Ignition switch ON

11 to 14 V

B12-8 (BSSW) - B12-10 (BLGD)

GR - W-B

Blind spot monitor main switch assembly (warning canceling switch assembly) signal

Ignition switch ON, blind spot monitor main switch assembly (warning canceling switch assembly) on

11 to 14 V

Ignition switch ON, blind spot monitor main switch assembly (warning canceling switch assembly) off

Below 1 V

B12-10 (BLGD) - Body Ground

W-B - Body ground

Ground

Always

Below 1 V

2. BLIND SPOT MONITOR SENSOR RH (SLAVE)

Terminal No.

(Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

B13-3 (BUZ) - B13-10 (BRGD)

R - W-B

Rear cross traffic alert buzzer (blind spot monitor buzzer) operation signal

Rear cross traffic alert buzzer (blind spot monitor buzzer) not sounding

11 to 14 V

Outer rear view mirror indicator blinks

Alternating between 0 to 7.5 V

Rear cross traffic alert buzzer (blind spot monitor buzzer) sounding

Alternating between 0 to 14 V

B13-4 (OMIR) - B13-10 (BRGD)

SB - W-B

Outer rear view mirror indicator power source signal LH

Outer rear view mirror indicator illuminated

2.5 to 7.5 V

Outer rear view mirror indicator blinks

Alternating between 0 to 7.5 V

Outer rear view mirror indicator not illuminated

Below 1 V

B13-5 (BRB) - B13-10 (BRGD)

LG - W-B

IG power source signal

Ignition switch off

Below 1 V

Ignition switch ON

11 to 14 V

B13-8 (SPR) - B13-10 (BRGD)*1

P - W-B

Shift position reverse switch signal

Rear cross traffic alert function is active (vehicle is in reverse)

11 to 14 V

Rear cross traffic alert function is not active (vehicle is in position other than reverse)

Below 1 V

B13-10 (BRGD) - Body Ground

W-B - Body ground

Ground

Always

Below 1 V

  • *1: for Manual Transmission
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order ...

Diagnosis System
DIAGNOSIS SYSTEM 1. DESCRIPTION (a) Blind spot monitor data and Diagnostic Trouble Codes (DTCs) can be read from the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfun ...

Other materials:

Power Source Circuit
DESCRIPTION This circuit provides power to operate the forward recognition camera. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following inspection procedure. PROCEDURE 1. CHECK HARNESS A ...

Transfer L4 Position Switch Circuit (C1268)
DESCRIPTION A-TRAC is activated if wheel skid is detected while the transfer is in the L4 position. DTC Code DTC Detecting Condition Trouble Areas C1268 L4 detection switch signal input to skid control ECU (master cylinder solenoid ...

Disassembly
DISASSEMBLY PROCEDURE 1. INSPECT FRONT DRIVE SHAFT (a) Check whether there is no remarkable play in the outboard joint. (b) Check whether the inboard joint slides smoothly in the thrust direction. (c) Check whether there is no remarkable play in the radial direction of the inboard joint. ( ...

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