Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: TS and CG Terminal Circuit

DESCRIPTION

In Test Mode (signal check), a malfunction in the speed sensor that cannot be detected when the vehicle is stopped can be detected while driving.

Sensor check mode can be entered by connecting terminals TS and CG of the DLC3 and turning the ignition switch from off to ON.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

CAUTION / NOTICE / HINT

NOTICE:

When replacing the skid control ECU (brake actuator assembly), perform zero point calibration and store system information (See page PROCEDURE PROCEDURE ).

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (BRAKE ACTUATOR ASSEMBLY - TS of DLC3)

(a) Turn the ignition switch off.

(b) Disconnect the S1 skid control ECU (brake actuator assembly) connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

S1-24 (TS) - D4-12 (TS)

Always

Below 1 Ω

S1-24 (TS) or D4-12 (TS) - Body ground

Always

10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

2.

CHECK HARNESS AND CONNECTOR (CG of DLC3 - BODY GROUND)

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

D4-4 (CG) - Body ground

Always

Below 1 Ω

Text in Illustration

*a

Front view of DLC3

OK

REPLACE BRAKE ACTUATOR ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

VSC Buzzer Circuit
DESCRIPTION The skid control ECU (brake actuator assembly) is connected to the combination meter via CAN communication. The combination meter has a built-in VSC warning buzzer: Sounds inte ...

VSC OFF Switch Circuit
DESCRIPTION The skid control ECU assembly is connected to the combination meter assembly via CAN communication. Pressing the VSC OFF switch turns off TRAC operation, and pressing and holding thi ...

Other materials:

Dtc Check / Clear
DTC CHECK / CLEAR HINT: When using the Techstream with the engine switch off to troubleshoot: Connect the Techstream to the DLC3 and turn a courtesy light switch on and off at 1.5 second intervals until communication between the Techstream and vehicle begins. Refer to the T ...

Removal
REMOVAL PROCEDURE 1. REMOVE FUEL TANK ASSEMBLY Click here 2. DISCONNECT FUEL TANK MAIN TUBE SUB-ASSEMBLY Click here 3. REMOVE FUEL PUMP GAUGE RETAINER NOTICE: Before performing these procedures, first cover the connectors and tube joints of the fuel suction tube with pump and gauge ass ...

Seat Belt Buckle Switch LH Circuit Malfunction (B1656/38)
DESCRIPTION The seat belt buckle switch LH circuit consists of the airbag sensor assembly and the front seat inner belt assembly LH (seat belt buckle switch LH). DTC B1655/37 is stored when a malfunction is detected in the seat belt buckle switch LH circuit. DTC No. DTC ...

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