Parts location

System diagram

Key lock-in prevention function does not work properly
System descriptionHitch
Trailer hitch assemblies have different weight capacities. Toyota recommends
the use of toyota hitch/bracket for your vehicle. For details,
contact your toyota dealer.
If you wish to install a trailer hitch, contact your toyota dealer.
Use only a hitch that conforms to the gross trailer weig ...
Removal
Disconnect cable from negative battery
terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent airbag and seat belt pretensioner activation.
Remove air cleaner cap (see page es-411)
Remove air cleaner case
...
Occupant classification ecu
Components
On-vehicle inspection
Inspect occupant classification ecu
(vehicle not involved in collision)
Perform a diagnostic system check (see page rs-
236).
Inspect occupant classification ecu
(vehicle involved in collision)
Perform a diagnostic system check (see p ...