Toyota Sienna Service Manual: On-vehicle inspection
1. INSPECT SEAT POSITION SENSOR (VEHICLE NOT INVOLVED IN COLLISION)
- Perform a diagnostic system check.
2. INSPECT SEAT POSITION SENSOR (VEHICLE INVOLVED IN COLLISION)
- Perform a diagnostic system check.
- Even if the airbag was not deployed, check if there
is any damage to the seat position sensor.
If there are any defects as mentioned below, replace the seat position sensor with a new one:
- Cracks, dents or chips on the sensor housing.
- Cracks or other damage to the connector.
CAUTION: Be sure to follow the correct removal and installation procedures.
Seat position sensor
COMPONENTS
...
Removal
1. PRECAUTION
CAUTION: Be sure to read "PRECAUTION" thoroughly before
servicing.
2. DISCONNECT CABLE FROM NEGATIVE BATTERY
TERMINAL
CAUTION:
Wait for 90 seconds after disconnecting th ...
Other materials:
Navigation Voice Circuit
DESCRIPTION
This circuit is used when the voice guidance in the navigation system is on.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR (RADIO AND NAVIGATION ASSEMBLY - STEREO
COMPONENT AMPLIFIER)
Disconnect the radio and navigation assembly connector
R13 and s ...
Customize parameters
HINT:
The following items can be customized.
NOTICE:
After confirming whether the items requested by the
customer are applicable or not for customization,
perform customize operations.
Be sure to record the current settings before
customizing.
When troubleshooting, ...
Terminals of ECU
1. MULTIPLEX NETWORK GATEWAY ECU
Disconnect the G4 ECU connector.
Measure the voltage between the specified
terminals on the wire harness side connector.
If the result is not as specified, there may be a
malfunction on the wire harness side.
Measure the resistance between ...
