Section 557 (Interior Light System): Inspection

WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

Overhead J/B side: INSPECT FRONT PERSONAL LIGHT ASSEMBLY

Disconnect the overhead J/B assembly connector.

CONNECTOR SPECIFIED CONDITION

Tester condition	Tester connection	Specified condition
OFF	-	No continuity
Personal light ON	5 - 17	Continuity
RH side console spot light	5 - 17	Continuity
LH side console spot light	5 - 17	Continuity
Personal light DOOR	6 - 17	Continuity

If continuity is not as specified, replace the overhead J/B assembly.

Fig 1: Inspecting Front Personal Light Assembly

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Rear room light: INSPECT REAR PERSONAL LIGHT ASSEMBLY CONTINUITY

CONNECTOR CONTINUITY

Switch position	Tester connection	Specified condition
Room light switch off and door close	-	No continuity
Room light switch on and door close	1 - 2	Continuity
Room light switch off or ON and door open	1 - 3	Continuity

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

Fig 2: Inspecting Rear Personal Light Assembly Continuity

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

INSPECT VANITY LIGHT CONTINUITY

VANITY LIGHT CONTINUITY

Switch position	Tester connection	Specified condition
OFF (closed)	-	No continuity
ON (opened)	1 - 2	Continuity

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

Fig 3: Inspecting Vanity Light Continuity

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 doors)
  If operation is not as specified, replace the switch.
  
  Fig 4: Inspecting Door Courtesy Switch Continuity
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT DOOR COURTESY LIGHT CONTINUITY
Using an ohmmeter, check that continuity exists between terminals.

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

Fig 5: Identifying Door Courtesy Light Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT LUGGAGE COMPARTMENT LIGHT CONTINUITY
Using an ohmmeter, check that continuity exists between terminals.

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

Fig 6: Identifying Luggage Compartment Light Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT GLOVE COMPARTMENT LIGHT CONTINUITY
Using the ohmmeter, check that continuity exists between terminals.

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

Fig 7: Identifying Glove Compartment Light Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT LICENSE PLATE LIGHT CONTINUITY
Using the ohmmeter, check that continuity exists between terminals.

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

Fig 8: Identifying License Plate Light Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT STEP LIGHT CONTINUITY
Using the ohmmeter, check that continuity exists between terminals.

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

Fig 9: Identifying Step Light Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT OUTER FOOT LIGHT
Connect the positive (+) lead from the battery to terminal 10 and the negative (-) lead to terminal 2,and check that the outer foot light goes on.

Fig 10: Inspecting Outer Foot Light
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002