Toyota Tacoma 2015-2018 Service Manual: 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. PRECAUTION
NOTICE:
After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.
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2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable is reconnected.
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3. REMOVE LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY
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4. REMOVE BRAKE MASTER CYLINDER SUB-ASSEMBLY
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5. SEPARATE MASTER CYLINDER PUSH ROD CLEVIS
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6. REMOVE BRAKE BOOSTER ASSEMBLY
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(a) Disconnect the vacuum warning switch assembly connector. (for 2GR-FKS) |
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(b) Disconnect the vacuum hose from the brake booster assembly. Text in Illustration
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(c) Remove the 4 nuts, and pull out the brake booster assembly. |
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(d) Remove the gasket from the brake booster assembly.
(e) Loosen the lock nut and then remove the push rod clevis.
7. REMOVE BRAKE VACUUM CHECK VALVE ASSEMBLY
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(a) Remove the vacuum check valve from the brake booster assembly. Text in Illustration
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(b) Remove the grommet from the brake booster assembly.
8. REMOVE VACUUM WARNING SWITCH ASSEMBLY (for 2GR-FKS)
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On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. CHECK BRAKE BOOSTER ASSEMBLY
(a) Airtightness check.
Text in Illustration
*a
Correct
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Inspection
INSPECTION
PROCEDURE
1. INSPECT BRAKE VACUUM CHECK VALVE ASSEMBLY
(a) Check that there is ventilation from the booster to the engine, and
no ventilation from the engine to the booste ...
Other materials:
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
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 ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of the problem symptom.
The potential causes of the symptoms are listed in order of probability
in the "Suspected Area" column of the table. Check each symptom by checking
the suspected areas ...
Compressor Lock Sensor Circuit (B1422/22)
SYSTEM DESCRIPTION
The ECM sends the engine speed signal to the air conditioning amplifier assembly
via CAN communication.
The air conditioning amplifier assembly reads the difference between compressor
speed and engine speed. When the difference becomes too large, the air conditioning
ampli ...