Toyota Tacoma manuals

Toyota Tacoma (2015-2018) Service Manual: Vacuum Warning Switch

Components

COMPONENTS

ILLUSTRATION

On-vehicle Inspection

On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT BRAKE FLUID LEVEL IN RESERVOIR

2. INSPECT BRAKE BOOSTER ASSEMBLY

3. INSPECT VACUUM WARNING SWITCH ASSEMBLY

3. INSPECT VACUUM WARNING SWITCH ASSEMBLY

(a) Start the engine and stop it after 1 or 2 minutes.

(b) Disconnect the connector from the vacuum warning switch assembly.

(c) Measure the resistance of the vacuum warning switch assembly.

Standard Resistance:

10 kΩ or higher

(d) With the engine stopped, depress the brake pedal several times to release vacuum from the brake booster assembly, and measure the resistance of the vacuum warning switch assembly.

Standard Resistance:

Below 1 Ω

(e) Connect the connector to the vacuum warning switch assembly.

Installation

INSTALLATION

PROCEDURE

1. INSTALL VACUUM WARNING SWITCH GROMMET

(a) Install a new vacuum warning switch grommet to the brake booster assembly.

2. INSTALL VACUUM WARNING SWITCH ASSEMBLY

(a) Install the vacuum warning switch assembly to the brake booster assembly as shown in the illustration.

Text in Illustration

Center of the Brake Booster Assembly

(b) Connect the connector to the vacuum warning switch assembly.

Removal

REMOVAL

PROCEDURE

1. REMOVE VACUUM WARNING SWITCH ASSEMBLY

(a) Disconnect the connector from the vacuum warning switch assembly.

(b) Remove the vacuum warning switch assembly from the brake booster assembly.

2. REMOVE VACUUM WARNING SWITCH GROMMET

(a) Remove the vacuum warning switch grommet from the brake booster assembly.

Vacuum Pump
Components COMPONENTS ILLUSTRATION Installation INSTALLATION PROCEDURE 1. INSTALL VACUUM PUMP ASSEMBLY (a) Apply engine oil to the 2 O-rings on the vacuum pump assembly. (b) Apply engine ...

Brake Control / Dynamic Control Systems
...

Other materials:

Open / Short in Steering Lock ECU (B2781)
DESCRIPTION The steering lock ECU and steering lock motor are built into the steering lock actuator assembly. The steering lock ECU (steering lock actuator or UPR bracket assembly) detects whether the steering lock is in the lock or unlock position by using the lock sensor and unlock sensor ...

Reassembly
REASSEMBLY CAUTION / NOTICE / HINT HINT: Use the same procedure for both the LH and RH sides. The procedure described below is for the LH side. PROCEDURE 1. INSTALL CLEARANCE LIGHT BULB (a) Install the clearance light bulb to the clearance light socket. (b) Turn t ...

Installation
INSTALLATION PROCEDURE 1. SET NO. 1 CYLINDER TO TDC/COMPRESSION 2. INSTALL CAMSHAFT TIMING GEAR BOLT NOTICE: There are different types of camshaft timing gearbolts. Make sure to check the identification mark todetermine the tightening torque. *a Identification Mark ...

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