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:

Removal
REMOVAL PROCEDURE 1. PRECAUTION NOTICE: After turning the ignition switch off, waiting time may be required before disconnecting the cable from the battery terminal. Therefore, make sure to read the disconnecting the cable from the battery terminal notice before proceeding with work. Click ...

Transfer Shift Motor Control Circuit Low (P17A9)
DESCRIPTION This DTC is output when a short to ground in the transfer shift motor and A.D.D. shift motor drive circuit is detected. DTC No. Detection Item DTC Detection Condition Trouble Area P17A9 Transfer Shift Motor Contr ...

Head restraints
Head restraints are provided for all seats. ■ Adjusting the head restraints Bench type front seat Up Pull the head restraints up. Down Push the head restraint down while pushing the lock release button. Separated type front seat Up Pull the head restraints up. Down Push th ...