Toyota Sienna Service Manual: Vacuum switching valve
Components
Installation
1. INSTALL CHARCOAL CANISTER ASSEMBLY
(a) Install the 3 bolts and charcoal canister.
Torque: 29 N*m (296 kgf*cm, 21 ft.*lbf)
(b) Connect the purge line hose to the charcoal
canister.
(c) ...
Removal
1. DISCONNECT CABLE FROM NEGATIVE BATTERY
TERMINAL
2. REMOVE V-BANK COVER SUB-ASSEMBLY (See
page EM-28)
3. REMOVE PURGE VSV
(a) Disconnect the purge VSV connector.
(b) Disconnect the 2 pur ...
Other materials:
Airbag ECU Communication Stop
DTC B1281 Airbag ECU Communication Stop
DESCRIPTION
DTC B1281 is output when communication between the airbag ECU and the
multiplex network gateway
ECU stops for more than 10 seconds.
DTC No.
DTC Detection Condition
Trouble Area
B1281
Airbag ECU communi ...
Circuit opening relay
Inspection
1. INSPECT CIRCUIT OPENING RELAY
Using an ohmmeter, measure the resistance
according to the value(s) in the table below.
Standard resistance
If the result is not as specified, replace the relay. ...
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 ass ...