Toyota Sienna Service Manual: On-vehicle inspection
1. INSPECT BRAKE PEDAL HEIGHT
(a) Check the brake pedal height.
Pedal height from dash panel: 150.3 to 160.3 mm (5.917 to 6.311 in.)
NOTICE: Do not adjust the pedal height. Doing so by changing the push rod length will structurally change the pedal ratio.
2. CHECK AND ADJUST STOP LIGHT SWITCH
(a) Disconnect the stop light switch assembly connector from the stop light switch assembly.
(b) Turn the stop light switch assembly counterclockwise and remove the stop light switch assembly.
(c) Insert the stop light switch assembly until the body hits the cushion.
NOTICE: When inserting the stop light switch assembly, support the pedal from behind so that the pedal is not pushed in.
(d) Make a quarter turn clockwise to install the stop light switch assembly.
NOTICE:
- When inserting the stop light switch assembly, support the pedal from behind so that the pedal is not pushed in.
- The turning torque for installing the stop light switch assembly
Torque: 1.5 N*m (15 kgf*cm, 13 in.*lbf) or less
(e) Connect the stop light switch connector to the stop light switch assembly.
(f) Check the protrusion of the rod.
Protrusion of the rod: 0.5 to 2.5mm (0.020 to 0.098 in.)
3. CHECK PEDAL FREE PLAY
(a) Stop the engine and depress the brake pedal several times until there is no more vacuum left in the booster.
(b) Push in the pedal until the beginning of the resistance is felt. Measure the distance, as shown.
Pedal free play: 1 to 6 mm (0.04 to 0.24 in.)
4. CHECK PEDAL RESERVE DISTANCE
(a) Release the parking brake pedal.
With the engine running, depress the pedal and measure the pedal reserve distance, as shown.
Pedal reserve distance from asphalt sheet at 490 N (50 kgf, 110 lbf): More than 52 mm (2.0 in.)
HINT: If the distance is out of the specification, troubleshoot the brake system.
Brake pedal
Components
...
Removal
1. SEPARATE BATTERY NEGATIVE TERMINAL
2. REMOVE FRONT DOOR SCUFF PLATE LH
3. REMOVE COWL SIDE TRIM BOARD LH
4. REMOVE INSTRUMENT PANEL FINISH PANEL SUBASSEMBLY
LOWER LH
(a) Remove the 2 bolts and ...
Other materials:
Mute Signal Circuit between Radio Receiver and Stereo Component
Amplifier
DESCRIPTION
This circuit sends a signal to the stereo component amplifier to mute noise.
Because of that, the noise
produced by changing the sound source ceases.
If there is an open in the circuit, noise can be heard from the speakers when
changing the sound source.
If there is a short i ...
Inspection
1. INSPECT RUNOUT OF DIFFERENTIAL RING GEAR
(a) Using a dial gauge , check the runout of the ring
gear.
Maximum runout:
0.07 mm (0.0028 in.)
If the runout is greater than the maximum, replace
the ring gear with a new one.
2. INSPECT DIFFERENTIAL RING GEAR BACKLASH
(a) Using a dial gauge, ...
Data list / active test
1. DATA LIST
(a) While the intelligent tester is connected to the DLC3
with the ignition switch in the ON position, the ABS
data list can be displayed. Follow the prompts on
the tester screen to access the DATA LIST.
2. ACTIVE TEST
HINT:
Performing the ACTIVE TEST using the intelligent te ...
