Toyota Sienna Service Manual: Multiplex communication system
PARTS LOCATION
System description
1. MULTIPLEX COMMUNICATION SYSTEM (BEAN)
The BEAN communication line is used to control the
combination meter, the A/C amplifier, the airbag
sensor assembly, the multiplex network body ECU,
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Other materials:
Evaporative Emission System Switching Valve Control Circuit High
DTC SUMMARY
DESCRIPTION
The circuit description can be found in the EVAP (Evaporative Emission)
System (See page ES-404).
INSPECTION PROCEDURE
Refer to the EVAP System (See page ES-404).
MONITOR DESCRIPTION
5 hours*1 after the ignition switch is turned off, the electric vacuum pump
...
Short in CAN Bus Lines
DESCRIPTION
The CAN bus wires are considered to be shorted when the resistance between
terminals 6 (CANH) and
14 (CANL) of the DLC3 is below 54 Ω.
Symptom
Trouble Area
Resistance between terminals 6 (CANH) and 14 (CANL) of the DLC3
is below 54 Ω.
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Removal
1. Disconnect cable from negative battery
terminal
2. REMOVE HEATED OXYGEN SENSOR (for Bank 1
Sensor 2) (See page EC-32)
3. REMOVE TAIL EXHAUST PIPE ASSEMBLY
(a) Remove the 2 bolts.
(b) Disconnect the 3 exhaust pipe supports and remove
the tail exhaust pipe assembly.
(c) Remove the gas ...
