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

Toyota Tacoma (2015-2018) Service Manual / Brake / Brake Booster / On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. CHECK BRAKE BOOSTER ASSEMBLY

(a) Airtightness check.

Text in Illustration

*a	Correct
*b	Incorrect

(1) Start the engine and stop it after 1 or 2 minutes. Slowly depress the brake pedal several times. If the pedal can be depressed to the floor the first time, but cannot be depressed to the floor the second and third time, the booster is airtight.

(2) Depress the brake pedal while the engine is running and stop the engine with the brake pedal depressed. If there is no change in the pedal reserve distance while holding the pedal for 30 seconds, the booster is airtight.

(b) Operation check.

(1) Depress the brake pedal several times with the ignition switch off and check that there is no change in the pedal reserve distance when the pedal is depressed.

(2) Depress and hold down the pedal, and then start the engine.

If the pedal goes down slightly, the operation is normal.

Components

COMPONENTS ILLUSTRATION ...

Removal

REMOVAL CAUTION / NOTICE / HINT NOTICE: Release the vacuum from booster by depressing the brake pedal several times. Then remove the brake master cylinder from brake booster. PROCEDURE 1. PRECAU ...

Other materials:

System Description
SYSTEM DESCRIPTION LANE DEPARTURE ALERT SYSTEM DESCRIPTION (a) The lane departure alert system is a system which uses the forward recognition camera to recognize and determine the lane and the position of the vehicle when the vehicle is being driven on highways and other roads with white (yell ...

Data List / Active Test
DATA LIST / ACTIVE TEST 1. DATA LIST 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 may be ...

Maintenance requirements
To ensure safe and economical driving, day-to-day care and regular maintenance is essential. It is the owner’s responsibility to perform regular checks. Toyota recommends the following maintenance. ■ General maintenance Should be performed on a daily basis. This can be done by yourself ...