Backup Light System: Inspection

WARNING: This page is about a different car, the 2002 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.

Inspect backup light relay continuity :

Fig 1: Identifying Backup Light Relay Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Backup Light Relay Specifications
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If continuity is not as specified, replace the relay.
Inspect park/neutral position switch . See PARK/NEUTRAL POSITION SWITCH .