Tacoma

Toyota Tacoma 2015-2018 Brake Workshop Manual

If the left front wheel rotates, replace the hydraulic brake booster.
(n) Inspect rear VSC solenoid (SREC) operation (step J).
HINT:
ON: Depress the brake pedal, activate SREC. Release the brake pedal and check that the rear wheels do
not rotate.
OFF: Deactivate SREC and check that the rear wheels rotate.
(1) Select "TRAC Solenoid (SRMF)" on the Techstream.
(2) Depress the brake pedal with stable force, then turn the "TRAC Solenoid (SRMF)" on by the
Techstream.
(3) Release the brake pedal when the solenoid is on, and check that the rear wheels do not rotate by hand.
If the rear wheels rotate, replace the hydraulic brake booster.
HINT:
T
o protect the solenoids, Techstream turns off automatically 2 seconds after every solenoid has been
turned on.
When rotating the wheels fast, the fail-safe function is activated and judgement cannot be made properly.
So rotate the wheels as slowly as possible.
NOTICE:
When operating it continuously, set the interval of more than 20 seconds.
(4) When the solenoid is off, check the rear wheels by rotating them by hand.
If the rear wheels stop, replace the hydraulic brake booster.
(o) Inspect rear VSC solenoid (STR) operation (step K).
HINT:
ON: Activate STR and SREC, then check that the rear wheels do not rotate.
OFF: Deactivate STR and SREC. Reactivate SREC and check that the rear wheels rotate.
(1) Select "TRAC Solenoid (SRMR)" on the Techstream.
(2) Turn the "TRAC Solenoid (SRMR)" on simultaneously by the Techstream.
(3) When the solenoids are on , check that the rear wheels do not rotate by hand.
If the rear wheels rotate, replace the hydraulic brake booster.
HINT:
To protect the solenoids, Techstream turns off automatically 2 seconds after every solenoid has been
turned on.
When rotating the wheels fast, the fail-safe function is activated and judgement cannot be made properly.
So rotate the wheels as slowly as possible.
NOTICE:
When operating it continuously, set the interval of more than 20 seconds.
(4) When the solenoids are off, check the rear wheels by rotating them by hand.
If the rear wheels stop, replace the hydraulic brake booster.
(5) When the "TRAC Solenoid (SRMF)" is off, depress the brake pedal again and check that the rear wheels
do not rotate by hand.
If the rear wheels rotate, replace the hydraulic brake booster.
(p) Inspect rear ABS solenoid (SRRH) operation (step L).
HINT:
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