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 t ...
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 the ...
Other materials:
Rear Occupant Classification Sensor LH Collision
Detection
DTC B1787 Rear Occupant Classification Sensor LH Collision
Detection
DESCRIPTION
DTC B1787 is output when the occupant classification ECU receives a collision
detection signal sent by
the rear occupant classification sensor LH if an accident occurs.
DTC B1787 is also output when the front s ...
Taillight Relay Circuit
DESCRIPTION
The Multiplex network body ECU controls TAIL relay when signal is received
from headlight dimmer
switch assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 PERFORM ACTIVE TEST BY INTELLIGENT TESTER
Connect the intelligent tester to DLC3.
Turn the ignition switch ON and ...
Rear evaporator temperature sensor circuit
DESCRIPTION
The rear evaporator temperature sensor is installed on the rear evaporator.
It detects the rear evaporator
temperature. The sensor sends a signal to the A/C amplifier. The resistance of
the rear evaporator
temperature sensor changes in accordance with the rear evaporator temperatu ...
