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:
Front Occupant Classification Sensor LH Circuit
Malfunction
DTC B1780 Front Occupant Classification Sensor LH Circuit
Malfunction
DESCRIPTION
The front occupant classification sensor LH circuit consists of the occupant
classification ECU and the
front occupant classification sensor LH.
DTC B1780 is recorded when a malfunction is detected in the fron ...
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 VOLTAGE INVERTER ASSEMBLY
Disconnect the connector.
Remove the 2 bolts and the v ...
Door Courtesy Switch Circuit
DESCRIPTION
The Multiplex network body ECU detects the condition of the door courtesy
switch assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 READ VALUE OF INTELLIGENT TESTER
Connect the intelligent tester to DLC3.
Turn the ignition switch to ON and push the intelligent
tester ...
