Interior 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.

W/O Sliding Roof , inspect front personal light switch continuity:
1. Disconnect the connector front the personal light.
2. Push the personal light switch ON, check that continuity exists between terminal 9 and body terminal 13.
  
  Fig 1: Testing Front The Personal Light (W/O Sliding Roof)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
W/Sliding Roof , inspect front personal light switch continuity:
1. Disconnect the connector from the personal light.
2. Push the personal light switch ON, check that continuity exists between terminal 1 and terminal 3.
  
  Fig 2: Testing Front The Personal Light (W/Sliding Roof)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Inspect dome light switch continuity :
1. Disconnect the connector from the dome light.
2. Push the dome light switch ON, check that continuity exists between terminal 3 and terminal 1.
  
  Fig 3: Testing Dome Light Switch (1 Of 2)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Turn the light switch to DOOR, check that continuity exists between terminal 2 and 1.
  If operation is as specified, replace the switch.
  
  Fig 4: Testing Dome Light Switch (2 Of 2)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 5: Dome Light Switch Specifications
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If continuity is not as specified, replace bulb or dome light.
Inspect luggage room light switch :
1. Disconnect the connector from the interior light assembly.
2. Turn the interior light switch ON, check that continuity exists terminal 2 and body ground.
  
  Fig 6: Testing Luggage Room Light Switch (1 Of 2)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Turn the interior light switch to DOOR, check that continuity exists between terminals 1 and 2.
  
  Fig 7: Testing Luggage Room Light Switch (1 Of 2)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If operation is not as specified, replace the switch.
Inspect door courtesy switch continuity :
1. Check that continuity exists between terminals and the switch body with the switch ON (switch pin released: opened door).
2. Check that no continuity exists between terminals and the switch body with the switch OFF (switch pin pushed in: closed door).
  
  Fig 8: Testing Door Courtesy Switch
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If operation is not as specified, replace the switch.
Inspect door courtesy light continuity :
Using an ohmmeter, check that continuity exists between terminals.

Fig 9: Testing Door Courtesy Light
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If continuity is not as specified, replace the light assembly or bulb.
Inspect vanity light continuity :

Fig 10: Testing Vanity Light
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 11: Vanity Light Specifications
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If continuity is not as specified, replace the bulb or vanity light.
Inspect back door courtesy switch continuity :

Fig 12: Testing Back Door Courtesy Switch
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 13: Back Door Courtesy Switch Specifications
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If continuity is not as specified, replace the back door lick assembly.