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.
(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.
Before Starting Adjustment
BEFORE STARTING ADJUSTMENT
CAUTION / NOTICE / HINT
NOTICE:
When replacing the windshield glass of a vehicle equipped with a forward recognition
camera, make sure to use a Toyota genuine part. If a non-Toyota genuine part is
used, the forward recognition camera may not be able to be installed ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT BRAKE BOOSTER PUMP ASSEMBLY
(a) Connect the positive (+) lead from the battery to the red cable of the pump,
and the negative (-) lead to the black cable.
(b) Check the brake booster pump operation.
OK:
Operation sound is heard. ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT FUEL PUMP
(a) Inspect the resistance of the fuel pump.
(1) Measure the resistance according to the value(s) in the table below.
Text in Illustration
*a
Component without harness connected
(Fuel Pump)
...