Room Light

WARNING: This page is about a different car, the 2003 Lexus IS 300 and 2002 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.

Without Reader Sensor - Inspect the room light continuity. Disconnect the connector from the room light. Turn the room light switch ON and check that continuity exists between terminal No. 2 and body ground. See Fig 1. Turn the room light switch to DOOR and check that continuity exists between terminals No. 1 and 2. If continuity is not as specified, replace the light assembly or bulb.
With Reader Sensor - Inspect the room light continuity. Disconnect the connector from the room light. Turn the room light switch ON and check that continuity exists between terminals No. 2 and 3. See Fig 2. Turn the room light switch to DOOR and check that continuity exists between terminals No. 1 and 3. If continuity is not as specified, replace the light assembly or bulb.

Fig 1: Inspecting Room Light Continuity (W/O Reader Sensor)

Fig 2: Inspecting Room Light Continuity (W/ Reader Sensor)