Toyota Sienna Service Manual: Can communication
- Can communication system
- Precaution
- Parts location
- System description
- How to proceed with troubleshooting
- Problem symptoms table
- Terminals of ECU
- Diagnosis system
- Fail-safe chart
- Network gateway ECU
Back Door ECU Communication Stop
DTC B1287 Back Door ECU Communication Stop
DESCRIPTION
DTC B1287 is output when communication between the power back door ECU and
the multiplex network
gateway ECU stops for more than 10 seconds. ...
Other materials:
Side Airbag Sensor Assembly RH Circuit Malfunction
DTC B1140/32 Side Airbag Sensor Assembly RH Circuit Malfunction
DESCRIPTION
The side airbag sensor RH circuit consists of the center airbag sensor
assembly and side airbag sensor
RH.
If the center airbag sensor assembly receives signals from the side airbag
sensor RH, it judges whether or
...
Inspection
1. INSPECT SEAT HEATER SWITCH LH
Measure the resistance of the seat heater switch
when the switch is operated.
Resistance
If the result is not as specified, replace the switch.
HINT:
As the dial is being turned, the resistance changes
gradually.
Push the seat h ...
Inspection
1. INSPECT ENGINE COOLANT TEMPERATURE SENSOR
Using an ohmmeter, measure the resistance
between the terminals.
Standard resistance
If the result is as specified, do not replace the
engine coolant temperature sensor.
If the result is not as specified, replace the
engine ...