Toyota Sienna Service Manual: Installation
1. INSTALL OCCUPANT CLASSIFICATION ECU
- Check that the ignition switch is off.
- Check that the negative battery (-) terminal is disconnected.
CAUTION: After disconnecting the negative battery terminal, wait for at least 90 seconds before starting the operation.
- Install the occupant classification ECU.
- Connect the 2 connectors to the occupant classification ECU.
NOTICE:
- If the occupant classification ECU has been dropped, or there are any cracks, dents or other defects in the case or connector, replace it with a new one.
- When installing the occupant classification ECU, be careful that the SRS wiring does not interfere with other parts and that it is not pinched between other parts.
2. INSTALL FRONT SEAT ASSEMBLY (for Manual Seat)
3. INSTALL FRONT RH SEAT ASSEMBLY (for Power Seat)
4. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
5. PERFORM INITIALIZATION
- Perform initialization.
HINT: Some systems need initialization when disconnecting the cable from the negative battery terminal.
6. INSPECT SLIDE ADJUSTER LOCK (for Manual Seat)
7. INSPECT POWER SEAT OPERATION (for Power Seat)
8. INSPECT SEAT HEATER OPERATION (w/ Seat Heater System)
9. INSPECT SRS WARNING LIGHT
- Inspect the SRS warning light
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 system
...
Other materials:
Repeat play
Select to change on/off.
Using cellular phones
Interference may be heard through the audio system’s speakers if a cellular
phone is being used inside or close to the vehicle while the audio system is
operating.
Certification (caution)
Laser product
This product is a class 1 laser product.
...
System description
1. SYSTEM DESCRIPTION
(a) The ECT (Electronic controlled automatic
transmission/transaxle) is an automatic
transmission/transaxle that electronically controls
shift timing using the ECM. The ECM detects
electrical signals that indicate engine and driving
conditions, and controls the shift poin ...
Short to B+ in Door System Communication
Bus Malfunction/ Short to GND in Door System Communication
Bus Malfunction
DTC B1214 Short to B+ in Door System Communication
Bus Malfunction
DTC B1215 Short to GND in Door System Communication
Bus Malfunction
DESCRIPTION
DTCs B1214 and B1215 are output when a short to +B or the body ground occurs
on the communication
bus. Detecting this condition disables all the ...
