Toyota Sienna Service Manual: Inspection
1. INSPECT INVERTER MAIN SWITCH
- Inspect the continuity between terminal at the each switch position shown in the chart.
If continuity is not as specified, replace the main switch assembly.
- Inspect the bulb state when connecting the battery to each terminal
If operation is not as specified, check the faulty bulb.
- Inspect continuity of the bulb by connecting the
tester as shown in the illustration.
If continuity exists, replace the main switch assembly.
If no continuity exists, replace the bulb.
2. INSPECT INVERTER RELAY
- Inspect continuity between terminal at the each switch position shown in the chart.
If continuity is not as specified, replace the point socket relay.
Installation
1. INSTALL VOLTAGE INVERTER ASSEMBLY
- Install the voltage inverter assembly with the 2 bolts.
Torque: 5.4 N*m (55 kgf*cm, 47 in.*lbf)
NOTICE: Tighten the bolts in order shown in the illustration to in the voltage inverter assembly.
2. INSTALL QUARTER TRIM FRONT PANEL ASSEMBLY LH
3. INSTALL BACK DOOR SCUFF PLATE
4. INSTALL BACK DOOR WEATHERSTRIP
5. INSTALL REAR DOOR WEATHERSTRIP LH
6. INSTALL REAR DOOR SCUFF PLATE LH
Removal
1. REMOVE REAR DOOR SCUFF PLATE LH
2. REMOVE REAR DOOR WEATHERSTRIP LH
3. REMOVE BACK DOOR WEATHERSTRIP
4. REMOVE BACK DOOR SCUFF PLATE
5. REMOVE QUARTER TRIM FRONT PANEL ASSEMBLY LH
6. REMOVE VO ...
Video terminal
COMPONENTS
REMOVAL
1. REMOVE REAR DOOR SCUFF PLATE LH
2. REMOVE REAR DOOR WEATHERSTRIP LH
3. REMOVE BACK DOOR WEATHERSTRIP
4. REMOVE BACK DOOR SCUFF PLATE
5. REMOVE QUARTER TRIM FRONT PANE ...
Other materials:
Vehicle Position Mark Deviates Greatly
INSPECTION PROCEDURE
1 CHECK GPS MARK
Check that the GPS mark is displayed.
OK:
GPS mark is displayed
2 CHECK VEHICLE SENSOR (NAVIGATION CHECK MODE)
Enter the "Navigation Check" mode (Vehicle Sensors).
While driving the vehicle, compare the "Speed" i ...
Starting the engine
Shift the shift lever to P and apply the brakes.
Touch the Toyota emblem side
of the electronic key to the
engine switch.
An alarm will sound to indicate that
the start function cannot detect the
electronic key that is touched to the
engine switch if any of the doors is
opened ...
Center Airbag Sensor Assembly Communication
Circuit Malfunction
DTC B1790 Center Airbag Sensor Assembly Communication
Circuit Malfunction
DESCRIPTION
The center airbag sensor assembly communication circuit consists of the
occupant classification ECU and
the center airbag sensor assembly.
DTC B1790 is recorded when a malfunction is detected in the center ...