Toyota Sienna Service Manual: On-vehicle inspection
1. FRONT SEAT SIDE AIRBAG ASSEMBLY (VEHICLE NOT INVOLVED IN COLLISION)
- Perform a diagnostic system check.
- With the front seat side airbag assembly installed on the vehicle, perform a visual check. If there are any defects as mentioned below, replace the front seatback assembly with a new one: Cuts, minute cracks or marked discoloration on the front seatback assembly around the front seat side airbag assembly
2. FRONT SEAT SIDE AIRBAG ASSEMBLY (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS NOT DEPLOYED)
- Perform a diagnostic system check.
- With the front seat side airbag assembly removed from the vehicle, perform a visual check. If there are any defects as mentioned below, replace the front seat side airbag assembly with a new one:
- Cuts, minute cracks or marked discoloration on the front seat side airbag assembly.
- Cracks or other damage to the wire harness or connector.
CAUTION: Be sure to follow the correct removal and installation procedures.
Disposal
HINT:
Use the same procedures for the RH side and LH side.
The procedures listed below are for the LH side.
When scrapping a vehicle equipped with the SRS or
disposing of t ...
Other materials:
Terminals of ECU
1. INSTRUMENT PANEL JUNCTION BLOCK
(MULTIPLEX NETWORK BODY ECU)
Disconnect the B6, B7 and B9 ECU connectors.
Disconnect the 1A, 1C, 1K, 1L and 1P J/B
connectors.
Check the voltage or resistance according to the
value(s) in the table below (wire harness side
connector).
...
Insufficient Coolant Temperature for Closed
Loop Fuel Control
DTC P0125 Insufficient Coolant Temperature for Closed
Loop Fuel Control
DESCRIPTION
Refer to DTC P0115
DTC No.
DTC Detection Condition
Trouble Area
P0125
Engine coolant temperature (ECT) does not reach
closed-loop enabling temperature for 20 minutes (t ...
Active test
HINT:
Performing an ACTIVE TEST enables components
including the relays, VSV (Vacuum Switching Valve), and
actuators, to be operated without removing any parts.
The ACTIVE TEST can be performed with an intelligent
tester. Performing an ACTIVE TEST in the first step in
troubleshooting is one ...
