Toyota Sienna Service Manual: Adjustment
1. REMOVE REAR WHEEL
2. ADJUST PARKING BRAKE SHOE CLEARANCE (See page PB-18)
3. INSTALL REAR WHEEL Torque: 103 N*m (1,050 kgf*cm, 76 ft.*lbf)
4. INSPECT PARKING BRAKE PEDAL TRAVEL
(a) Slowly depress the parking brake pedal all the way, and count the number of clicks.
Parking brake pedal travel: 3 to 5 clicks at 294 N (30 kgf, 66.0 lbf)
5. DISCONNECT BATTERY NEGATIVE TERMINAL
6. REMOVE FRONT DOOR SCUFF PLATE LH
7. REMOVE COWL SIDE TRIM BOARD LH (See page IP- 6)
8. REMOVE INSTRUMENT PANEL FINISH PANEL SUBASSEMBLY LOWER LH
9. ADJUST PARKING BRAKE PEDAL TRAVEL
(a) Depress the parking brake pedal 3 notches to make a room for the procedure, and loosen the lock nut.
(b) Return the parking brake pedal to the original position.
(c) Turn the adjusting nut until the parking brake pedal travel corrects.
(d) Depress the parking brake pedal 3 notches to make a room for the procedure, and tighten the lock nut.
Torque: 5.4 N*m (55 kgf*cm, 48 in.*lbf)
(e) Return the parking brake pedal to the original position.
(f) Check whether the parking brake drags or not.
(g) When operating the parking brake pedal, check that the parking brake pedal indicator light goes on.
Problem symptoms table
Use the table below to help you find the cause of the problem.
The numbers indicate the likelihood of the cause in the
descending order. Check each part in the order shown.
Replace these parts ...
Parking brake pedal
Components
...
Other materials:
Front passenger occupant
classification system
Your vehicle is equipped with a front passenger occupant classification
system. This system detects the conditions of the front
passenger seat and activates or deactivates the devices for the
front passenger.
SRS warning light
Seat belt reminder light
“AIR BAG OFF” indicator light ...
Tire Pressure Warning Reset Switch Circuit
DESCRIPTION
The ECU enters the initialization mode and performs initialization
automatically, when the tire pressure
warning ECU receives the signal from the tire pressure warning reset switch. If
the ECU receives the
signal, the tire pressure warning light blinks 3 times (1 second on, 1 seco ...
Open in Occupant Classification ECU Battery
Positive Line
DTC B1794 Open in Occupant Classification ECU Battery
Positive Line
DESCRIPTION
This circuit consists of the occupant classification ECU and the power source
circuit (battery, fuse, wire
harness).
DTC B1794 is recorded when a malfunction is detected in the occupant
classification ECU or t ...
