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
...
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:
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the navigation system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
2 ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT FRONT WIPER MOTOR (for Driver Side)
Text in Illustration
*a
Matchmark
(a) Check the stop (park) position.
(b) Operate the windshield wiper motor assembly.
(c) Stop the windshield wiper motor assembly operation.
(d) Ch ...
A-TRAC Indicator Light does not Come ON
DESCRIPTION
The A-TRAC does not operate even if the A-TRAC switch is pressed under the following
conditions:
The TRAC or VSC system is faulty.
The temperature inside the hydraulic brake booster increases and the
A-TRAC operation is suspended.
WIRING DIAGRAM
Refer to A-TRAC ...