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:

Data List / Active Test
DATA LIST / ACTIVE TEST 1. DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals ...

USB Media Malfunction (B1585)
DESCRIPTION This DTC is stored when a malfunction occurs in a connected device. DTC No. DTC Detection Condition Trouble Area B1585 USB Device Malfunction Non mass-storage class or incompatible protocol USB device ...

Removal
REMOVAL CAUTION / NOTICE / HINT HINT: When removing the name plates or stripe tapes, heat the vehicle body or tail gate and name plates or stripe tapes using a heat light. Heating Temperature Item Temperature Vehicle Body or Tail Gate 40 to 60 ...

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