Caution:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.

On-vehicle inspection
InstallationOccupant classification sensor power supply circuit malfunction
Description
The occupant classification sensor power supply circuit consists of the
occupant classification ecu and
the occupant classification sensors.
Dtc b1793 is recorded when a malfunction is detected in the occupant
classification sensor power
supply circuit.
Wiring diagram
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Glossary of sae and toyota terms
This glossary lists all sae-j1930 terms and abbreviations
used in this manual in compliance with sae
recommendations, as well as their toyota equivalents.
...
Abs and traction actuator (skid control ecu) communication stop mode
Description
Wiring diagram
Inspection procedure
Notice:
Turn the ignition switch off before measuring the resistances
of the main wire and the branch
wire.
After the ignition switch is turned off, check that the key
reminder warning system and light
reminder warning system ...