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:

Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on. (d) Enter the following menus: Chassis / Front Recognition Camera / Trouble Codes. (e) Check for details of the DTCs. Click here CLEAR DTC (a) Connect the Te ...

VSC OFF Indicator Light does not Come ON
DESCRIPTION Refer to VSC OFF Indicator Light Remains ON (See page ). WIRING DIAGRAM Refer to VSC OFF Indicator Light Remains ON (See page ). CAUTION / NOTICE / HINT NOTICE: When replacing the skid control ECU (master cylinder solenoid), perform calibration (See page ). ...

Noise Occurs from V-ribbed Belt or Generator Assembly
PROCEDURE 1. CONFIRM PROBLEM SYMPTOM (a) Confirm the problem symptom. Result Result Proceed to Noise occurs from fan and generator V belt A Noise occurs from generator assembly B ...

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