With all doors closed, apply the parking brake and place the ignition switch in the ON position without starting the engine. The following lights will come on:

If equipped, the following lights come on briefly and then go off:

If any light fails to come on, it may indicate an open circuit in the electrical system.
Have the system repaired promptly.
Warning/indicator lights and audible reminders
Warning lightsInterior room lamp
Removal and installation
Removal
Insert a suitable tool into the gap between the headlining and the
interior room lamp and release the interior
room lamp.
Disconnect the harness connector from the interior room lamp.
Installation
Installation is in the reverse order of removal.
Bul ...
P0137 HO2S2
DTC Logic
DTC DETECTION LOGIC
The heated oxygen sensor 2 has a much longer switching time
between rich and lean than the air fuel ratio (A/F) sensor 1. The oxygen
storage capacity of the three way catalyst (manifold) causes the
longer switching time. To judge the malfunctions of heated oxygen
...
Preparation
Special Service Tool
The actual shape of the tools may differ from those illustrated here.
Commercial Service Tools
Clip list
Descriptions for Clips
Replace any clips which are damaged during removal or installation.
...