Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. CONNECT TECHSTREAM

(a) Warm up the engine.

(b) Turn the ignition switch to off.

(c) Connect the Techstream to the DLC3.

(d) Turn the ignition switch to ON.

(e) Turn the Techstream on.

(f) Enter the following menus: Chassis / ABS/VSC/TRAC / Active Test.

2. INSPECT BRAKE ACTUATOR MOTOR

(a) With the motor relay ON, check the actuator motor operation sounds.

NOTICE:

Do not keep the motor relay turned ON for more than 5 seconds continuously. Allow intervals of at least 20 seconds between consecutive operations.

(b) Turn the motor relay OFF.

(c) Depress the brake pedal and hold it for approximately 15 seconds. Check that the brake pedal cannot be depressed further.

(d) With the motor relay ON, check that the pedal does not pulsate.

(e) Turn the motor relay OFF and release the brake pedal.

3. INSPECT BRAKE ACTUATOR SOLENOID (for Front Right Wheel)

NOTICE:

Never turn a solenoid ON in any manner other than described below.

(a) With the brake pedal depressed, perform the following operations.

(b) Turn the SFRH and SFRR solenoids ON simultaneously, and check that the pedal cannot be depressed further.

NOTICE:

Do not keep the solenoid turned ON for more than 10 seconds continuously. Allow intervals of at least 20 seconds between consecutive operations.

(c) Turn the SFRH and SFRR solenoids OFF simultaneously, and check that the pedal can be depressed further.

(d) Turn the motor relay ON, and check that the pedal can be depressed.

NOTICE:

Do not keep the motor relay turned ON for more than 5 seconds continuously. Allow intervals of at least 20 seconds between consecutive operations.

(e) Turn the motor relay OFF and release the brake pedal.

4. INSPECT BRAKE ACTUATOR SOLENOID (for Front Left Wheel)

NOTICE:

Never turn a solenoid ON in any manner other than described below.

(a) With the brake pedal depressed, perform the following operations.

(b) Turn the SFLH and SFLR solenoids ON simultaneously, and check that the pedal cannot be depressed further.

NOTICE:

Do not keep the solenoid turned ON for more than 10 seconds continuously. Allow intervals of at least 20 seconds between consecutive operations.

(c) Turn the SFLH and SFLR solenoids OFF simultaneously, and check that the pedal can be depressed further.

(d) Turn the motor relay ON, and check that the pedal can be depressed.

NOTICE:

Do not keep the motor relay turned ON for more than 5 seconds continuously. Allow intervals of at least 20 seconds between consecutive operations.

(e) Turn the motor relay OFF and release the brake pedal.

5. INSPECT BRAKE ACTUATOR SOLENOID (for Rear Right Wheel)

NOTICE:

Never turn a solenoid ON in any manner other than described below.

(a) With the brake pedal depressed, perform the following operations.

(b) Turn the SRRH and SRRR solenoids ON simultaneously, and check that the pedal cannot be depressed further.

NOTICE:

Do not keep the solenoid turned ON for more than 10 seconds continuously. Allow intervals of at least 20 seconds between consecutive operations.

(c) Turn the SRRH and SRRR solenoids OFF simultaneously, and check that the pedal can be depressed further.

(d) Turn the motor relay ON, and check that the pedal can be depressed.

NOTICE:

Do not keep the motor relay turned ON for more than 5 seconds continuously. Allow intervals of at least 20 seconds between consecutive operations.

(e) Turn the motor relay OFF and release the brake pedal.

6. INSPECT BRAKE ACTUATOR SOLENOID (for Rear Left Wheel)

NOTICE:

Never turn a solenoid ON in any manner other than described below.

(a) With the brake pedal depressed, perform the following operations.

(b) Turn the SRLH and SRLR solenoids ON simultaneously, and check that the pedal cannot be depressed further.

NOTICE:

Do not keep the solenoid turned ON for more than 10 seconds continuously. Allow intervals of at least 20 seconds between consecutive operations.

(c) Turn the SRLH and SRLR solenoids OFF simultaneously, and check that the pedal can be depressed further.

(d) Turn the motor relay ON, and check that the pedal can be depressed.

NOTICE:

Do not keep the motor relay turned ON for more than 5 seconds continuously. Allow intervals of at least 20 seconds between consecutive operations.

(e) Turn the motor relay OFF and release the brake pedal.

Components
COMPONENTS ILLUSTRATION ILLUSTRATION ...

Installation
INSTALLATION PROCEDURE 1. INSTALL BRAKE ACTUATOR BRACKET ASSEMBLY (a) Install the actuator bracket with the 3 bolts in the sequence shown in the illustration. Torque: 5.4 N·m ...

Other materials:

Replacement
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Skid Control Buzzer Circuit (C1A4A)
DESCRIPTION Based on dynamic radar cruise control system operation, the forward recognition camera provides warnings to the driver by sounding the skid control buzzer. DTC C1A4A is stored when a malfunction is detected in the skid control buzzer circuit. DTC No. Detectio ...

Front Radar Sensor Beam Axis Not Adjusted (C1A14)
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