Toyota Sienna Service Manual: Airbag system
- Precaution
- Parts location
- System description
- How to proceed with troubleshooting
- Problem symptoms table
- Terminals of ECU
- Diagnosis system
- DTC check / clear
- Check mode procedure
- Data list / active test
- Diagnostic trouble code chart
Precaution
Caution:
The vehicle is equipped with a supplemental restraint
system (srs). It consists of a driver airbag, front
passenger airbag, front seat side airbag, curtain shield
airba ...
Other materials:
Combination Meter ECU Communication Stop
DTC B1271 Combination Meter ECU Communication Stop
DESCRIPTION
DTC B1271 is output when communication between the combination meter and the
multiplex network
gateway ECU stops for more than 10 seconds.
DTC No.
DTC Detection Condition
Trouble Area
B1271
...
Problem symptoms table
Before inspecting the suspected areas listed in the table
below, check the fuse and relay.
Before inspecting the suspected areas listed in the table
below, check the DTCs.
Methods used to verify the cause of the problem are listed
in order of probability in the suspected are ...
Check for short circuit
(a) If the wire harness is ground shorted (Fig. 5), locate the section by
conducting a resistance check with the body ground (below).
(b) Check the resistance with the body ground.
(1) Disconnect connectors A and C and measure
the resistance.
Standard resistance (Fig. 6)
HIN ...
