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 chartHeadlight dimmer switch
Precaution
Precaution for vehicle with srs
Some procedures in this section may affect the
supplemental restraint system (srs). Prior to
performing the procedures, read the srs section's
"precaution" (see page rs-1).
Components
Removal
Disconnect cable from negat ...
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 rear door scuff plate rh (see page
ir-29)
Remove package tray trim ...
Oxygen (a/f) sensor heater control circuit
Hint:
Although the dtc titles say oxygen sensor, these dtcs relate to the
air-fuel ratio (a/f) sensor.
Sensor 1 refers to the sensor mounted in front of the three-way
catalytic converter (twc) and
located near the engine assembly.
Description
Refer to dtc p2195 (see page es-292 ...