Toyota Tacoma manuals

Toyota Tacoma (2015-2018) Service Manual: Terminals Of Ecu

TERMINALS OF ECU

1. AIRBAG SENSOR ASSEMBLY

Terminal No.

Terminal Symbol

Destination

A21-1

P2+

Instrument panel passenger without door airbag assembly (Front passenger side squib 2nd step)

A21-2

P2-

Instrument panel passenger without door airbag assembly (Front passenger side squib 2nd step)

A21-3

P-

Instrument panel passenger without door airbag assembly (Front passenger side squib)

A21-4

P+

Instrument panel passenger without door airbag assembly (Front passenger side squib)

A21-5

D+

Horn button assembly (Driver side squib)

A21-6

D-

Horn button assembly (Driver side squib)

A21-7

D2-

Horn button assembly (Driver side squib 2nd step)

A21-8

D2+

Horn button assembly (Driver side squib 2nd step)

A21-9

DK+

Lower No. 1 instrument panel airbag assembly (Driver side knee airbag squib)

A21-10

DK-

Lower No. 1 instrument panel airbag assembly (Driver side knee airbag squib)

A21-11

VHP+

Instrument panel passenger without door airbag assembly (Variable vent hole squib)

A21-12

VHP-

Instrument panel passenger without door airbag assembly (Variable vent hole squib)

A21-13

CANH

CAN

A21-17

P-AB

Air conditioning control assembly (Passenger airbag ON/OFF indicator)

A21-19

PK+

Lower No. 2 instrument panel airbag assembly (Passenger side knee airbag squib)

A21-20

PK-

Lower No. 2 instrument panel airbag assembly (Passenger side knee airbag squib)

A21-21

IG2

IGN fuse (Power Source)

A21-22

CANL

CAN

A21-23

PAON

Air conditioning control assembly (Passenger airbag ON/OFF indicator)

A21-25

E1

Ground

A21-26

E2

Ground

A21-27

-SR

Front airbag sensor RH

A21-28

-SL

Front airbag sensor LH

A21-29

+SR

Front airbag sensor RH

A21-30

+SL

Front airbag sensor LH

A22-1

PL-

Front seat outer belt assembly LH (Front pretensioner squib LH)

A22-2

PL+

Front seat outer belt assembly RH (Front pretensioner squib RH)

A22-6

ICL-

Curtain shield airbag assembly LH (Driver side curtain shield squib)

A22-7

ICL+

Curtain shield airbag assembly LH (Driver side curtain shield squib)

A22-8

BBL+

Side airbag sensor assembly LH

A22-9

SFL+

Front seat airbag assembly LH (Side squib LH)

A22-10

SFL-

Front seat airbag assembly LH (Side squib LH)

A22-11

LBE+

Front seat inner belt assembly LH

A22-12

LBE-

Front seat inner belt assembly LH

A22-13

LSP-

Seat position airbag sensor

A22-14

LSP+

Seat position airbag sensor

A22-15

BBL-

Side airbag sensor assembly LH

A23-4

PR+

Front seat outer belt assembly RH (Front pretensioner squib RH)

A23-5

PR-

Front seat outer belt assembly RH (Front pretensioner squib RH)

A23-6

SFR-

Front seat airbag assembly RH (Side squib RH)

A23-7

SFR+

Front seat airbag assembly RH (Side squib RH)

A23-8

BBR+

Side airbag sensor assembly RH

A23-9

ICR+

Curtain shield airbag assembly RH (Front Passenger side curtain shield squib)

A23-10

ICR-

Curtain shield airbag assembly RH (Front Passenger side curtain shield squib)

A23-11

BBR-

Side airbag sensor assembly RH

A23-12

FSR+

Occupant detection ECU

A23-13

FSR-

Occupant detection ECU

Dtc Check / Clear
DTC CHECK / CLEAR 1. SUPPLEMENTAL RESTRAINT SYSTEM DTC CHECK (USING SST CHECK WIRE) (a) Check the DTCs (Present DTCs). (1) Turn the ignition switch to ON, and wait for approximately 60 seconds. ...

Data List / Active Test
DATA LIST / ACTIVE TEST HINT: By accessing the Data List displayed on the Techstream, you can perform such functions as reading the values of switches and sensors without removing any parts. Rea ...

Other materials:

Open in Bus 2 Main Bus Line
DESCRIPTION There may be an open circuit in one of the CAN main bus lines and/or a central gateway ECU (network gateway ECU) branch lines when the resistance between terminals 18 (CA4H) and 17 (CA4L) of the central gateway ECU (network gateway ECU) is 70 Ω or higher. Detection It ...

Slip Indicator Light Remains ON
DESCRIPTION The skid control ECU (brake actuator assembly) is connected to the combination meter assembly via CAN communication. The slip indicator light blinks during VSC and/or TRAC operation. If a malfunction is detected, the slip indicator light comes on to warn the driver (See page ). ...

Removal
REMOVAL PROCEDURE 1. REMOVE ROOF HEADLINING ASSEMBLY (for LED Type Stop Light) for Double Cab: (See page ) for Access Cab: (See page ) 2. REMOVE CENTER STOP LIGHT ASSEMBLY (for Bulb Type Stop Light) (a) Apply protective tape around the center stop light as ...

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