Hint:
Performing a system check enables the system, which consists of multiple actuators, to be operated without removing any parts. In addition, it can show whether or not any dtcs are set, and can detect potential malfunctions in the system. The system check can be performed with the intelligent tester.

Active test
Diagnostic trouble code chartDriver side seat belt buckle switch circuit malfunction
Description
The driver side seat belt buckle switch circuit consists of the center airbag
sensor and the front seat inner
belt lh.
Dtc b1655/37 is recorded when a malfunction is detected in the driver side seat
belt buckle switch circuit.
Wiring diagram
Inspection procedure
...
Ig1 relay
On-vehicle inspection
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 ig1 relay
Remove the ig1 relay from the i ...
Compressor and pulley (for 2az-fe)
Components
Removal
Discharge refrigerant from
refrigeration system (see page ac-172)
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 pretensione ...