Section 574 (Interior Light System): Inspection

WARNING: This page is about a different car, the 2003 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 from the personal light.
2. Push the personal light switch ON, check that continuity exists between terminal 9 and body terminal 13.
If continuity is not as specified, replace the light assembly or bulb.

Fig 1: Inspecting Front Personal Light Switch Continuity (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.
  If continuity is not as specified, replace the light assembly or bulb.
  
  Fig 2: Inspecting Front Personal Light Switch Continuity (With Sliding Roof)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

INSPECT DOME LIGHT SWITCH CONTINUITY

Disconnect the connector from the personal light.
Push the personal light switch ON, check that continuity exists between terminal 1 and terminal 3.
If continuity is not as specified, replace the light assembly or bulb.

Fig 3: Inspecting Dome Light Switch Continuity (1 Of 2)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Turn the light switch to DOOR, check that continuity exists between terminal 1 and 2.

If operation is as specified, replace the switch.

DOME LIGHT SWITCH CONTINUITY SPECIFICATIONS

Switch Position	Tester Connection	Specified Condition
Dome Light Switch OFF	2 - 3	No Continuity
Dome Light Switch ON	2 - 3	Continuity

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

Fig 4: Inspecting Dome Light Switch Continuity (2 Of 2)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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.
  If continuity is not as specified, replace the light assembly or bulb.
  
  Fig 5: Inspecting Luggage Room Light Switch Continuity (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.
  If continuity is not as specified, replace the light assembly or bulb.
  
  Fig 6: Inspecting Luggage Room Light Switch Continuity (2 Of 2)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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).
  If operation is not as specified, replace the switch.
  
  Fig 7: Inspecting Door Courtesy Switch Continuity
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT DOOR COURTESY LIGHT CONTINUITY
Check that continuity exists between terminals.

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

Fig 8: Inspecting Door Courtesy Light Continuity
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

INSPECT VANITY LIGHT CONTINUITY

VANITY LIGHT CONTINUITY SPECIFICATIONS

Switch Position	Tester Connection	Specified Condition
OFF (Closed)	1 - 2	No Continuity
ON (Opened)	1 - 2	Continuity

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

Fig 9: View Of Vanity Light Connector

INSPECT BACK DOOR COURTESY SWITCH CONTINUITY

BACK DOOR COURTESY SWITCH CONTINUITY SPECIFICATIONS

Switch Position	Tester Connection	Specified Condition
OFF (Closed)	1 - 2	No Continuity
ON (Opened)	1 - 2	Continuity

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

Fig 10: View Of Back Door Courtesy Switch Connector