Toyota Sienna Service Manual: Inspection
1. INSPECT FRONT SEAT INNER BELT ASSEMBLY RH
- Release the seat belt (Buckle switch is ON).
- Check the resistance between the terminals.
Standard
If the result is not as specified, replace the inner belt assembly.
- Inspect the buckle switch.
- Fasten the seat belt (Buckle switch is OFF).
- Check the resistance between the terminals.
Standard
- Inspect the circuit for the airbag seat position sensor.
- Check the resistance between the terminals.
Standard
If the result is not as specified, replace the seat cushion assembly.
2. INSPECT FRONT SEAT INNER BELT ASSEMBLY LH
- Inspect the buckle switch.
- Fasten the seat belt (Buckle switch is ON).
- Check the resistance between the terminals.
Standard
- Release the seat belt (Buckle switch is OFF).
- Check the resistance between the terminals.
Standard
If the result is not as specified, replace the inner belt assembly
Removal
1. REMOVE FRONT SEAT INNER BELT ASSEMBLY
HINT:
Refer to the instructions for disassembly of the front seat assembly
(for flat type).
Refer to the instructions for disassembly of ...
Installation
1. REMOVE FRONT SEAT INNER BELT ASSEMBLY
HINT:
Refer to the instructions for reassembly of the front seat assembly
(for flat type).
Refer to the instructions for reassembly of th ...
Other materials:
Power Slide Door RH does not Operate When Using Inside / Outside
Handle
DESCRIPTION
The inside / outside handles have the ability to control operation
of the power slide door. Pulling either
handle transmits a request signal to the power slide door ECU RH, which then
commands the power
slide door control motor and clutch to open / close the power sli ...
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 ...
Diagnosis system
1. CHECK DLC3
The vehicle's ECU uses ISO 15765-4 for
communication protocol. The terminal arrangement
of the DLC3 complies with SAE J1962 and matches
the ISO 15765-4 format.
NOTICE:
*: Before measuring the resistance, leave the
vehicle as is for at least 1 minute and do not
ope ...
