Toyota Sienna Service Manual: Removal
CAUTION:
- Wear safety gloves, because the sharp surfaces of the seatback frame and seat adjuster may injure your hand.
- Work must be started more than 90 seconds after the
ignition switch is turned to the LOCK position and the
negative (-) terminal cable is disconnected from the
battery.
(The SRS is equipped with a back-up power source. If work is started within 90 seconds from disconnecting the negative (-) terminal cable from the battery, the SRS may deploy.)
1. REMOVE FRONT SEAT HEADREST ASSEMBLY
2. REMOVE FRONT SEAT ASSEMBLY RH
- Using a screwdriver, pry out the 2 seat track covers.
HINT: Tape the screwdriver tip before use.
- Disconnect the connectors under the seat assembly.
- Remove the 4 bolts and the sat assembly.
NOTICE: Be careful not to damage the body.
Front seat assembly (for Flat Type)
COMPONENTS
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Disassembly
1. REMOVE OCCUPANT CLASSIFICATION ECU
2. REMOVE FRONT SEAT CUSHION SHIELD INNER RH
Remove the screw.
Using a screwdriver, disengage the claws and
remove the cushion shield inner.
...
Other materials:
ECM Power Source Circuit
DESCRIPTION
When the ignition switch is turned to the ON position, the battery voltage is
applied to terminal IGSW of
the ECM. The ECM MREL output signal causes a current to flow to the coil,
closing the contacts of the EFI
relay and supplying power to terminal +B of the ECM.
If the igniti ...
Open in Front Passenger Side Squib 2nd Step
Circuit
DTC B1186/58 Open in Front Passenger Side Squib 2nd Step
Circuit
DESCRIPTION
The front passenger side squib 2nd step circuit consists of the center airbag
sensor assembly and the
front passenger airbag assembly.
The circuit instructs the SRS to deploy when deployment conditions are met.
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On-vehicle inspection
NOTICE:
In this section, the terms "cold" and "hot" refer to the
temperature of the coils. "Cold" means approximately -
10°C (14°F) to 50°C (122°F). "Hot" means approximately
50°C (122°F) to 100°C (212°F).
1. INSPECT IGNITION C ...
