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

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

Components

COMPONENTS

ILLUSTRATION

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

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

(b) Disconnect the connector from 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:

Invalid Data Received from Vehicle Dynamics Control Module (U0416)
DESCRIPTION This DTC is detected if a wheel speed malfunction signal is sent from the skid control ECU (brake actuator assembly). DTC No. Detection Item DTC Detection Condition Trouble Area U0416 Invalid Data Received From V ...

IG Supply Voltage Low (C120B)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area C120B IG Supply Voltage Low Master cylinder pressure sensor power supply voltage decrease occurs or history of voltage decrease exists, and ...

Installation
INSTALLATION PROCEDURE 1. INSTALL AUTO HIGH BEAM SWITCH (a) Attach the 2 claws to install the auto high beam switch to the instrument panel lower finish panel sub-assembly. 2. INSTALL INSTRUMENT PANEL LOWER FINISH PANEL SUB-ASSEMBLY Click here 3. CONNECT HOOD LOCK CONTROL LEVER SUB-ASSEMBL ...