Toyota Tundra 2005 Service - Repair - Maintenance page 2646

BR−70
Inspection order
(step)
(a)
(c)
(d)
(e)
(f)
(g)
(h)
(i)
(j)
(k)
(l)
(m)
SOL selected by active test
SRCF (SA1)
SRCF (SA1) and SRCR (SA2)
SFRH
SFLH
SFRR & SFRH
SFLR & SFLH
SRMF (SMCF, SA3)
SRMF (SMCF, SA3) and SRMR (SMCR, STR)
SRRH
SRLH
SRH & SRR
SRLR & SRLH
BRAKE − HYDRAULIC BRAKE BOOSTER (w/ VSC)
(a) Inspect front VSC solenoid (SMCF) operation.
HINT:
S
ON: Activate SMCF and check that the brake pedal can-
not be depressed (the pedal feels tight).
S
OFF: Deactivate SMCF and check that the brake pedal
can be depressed.
(1) Select "SRCF (SA1)" on the hand−held tester.
(2) Turn the "SRCF (SA1)" on by the hand−held tester,
then depress the brake pedal with stable force and
check that the pedal cannot be depressed.
If the pedal can be depressed, replace the hydraulic brake
booster.
HINT:
To protect the solenoids, the hand−held tester turns off auto-
matically 2 seconds after every solenoid has been turned on.
NOTICE:
When operating it continuously, set the interval of more
than 20 seconds.
(3) Release the brake pedal.
(4) When the solenoid is off, depress the brake pedal
again and check that the brake pedal can be de-
pressed.
If the pedal can be depressed, replace the hydraulic brake
booster.
(b) PREPARE THE VEHICLE
(1) Jack up and support the vehicle.
(2) Release the parking brake lever.
(3) Shift the transfer shift lever to the "N" position and
check the rear wheels by rotating them by hand.
SOL to be activated
SMCF
SREA and SMCF
SFRH
SFLH
SFRR and SFRH
SFLR and SFLH
SREC
STR and SREC
SRRH
SRLH
SRRR and SRRH
SRLR and SRLH