Inspection Procedure

1. Move the room lamp switch to the DOOR position and open the driver side door. Then check that the room lamp illuminates.

   OK: Room lamp illuminates. 

NG: Go to step 2 

OK: Go to step   4 

1. Remove the courtesy lamp switch.
2. Measure the resistance of the switch.

   Standard: 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Switch Condition	Specified Condition
   1 - Body ground	Not pushed (ON)	Below 1 Ω
   1 - Body ground	Pushed (OFF)	10 kΩ or higher

Fig 1: Inspecting Front Door Courtesy Lamp Switch Assembly

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE FRONT DOOR COURTESY LAMP SWITCH ASSY (DRIVER SIDE) 

OK: GO TO NEXT STEP 

1. Disconnect the D9 switch connector.
2. Disconnect the 1A J/B connector.
3. Measure the resistance of the wire harness side connectors.

   Standard: 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Specified Condition
   D9-1 - 1A-21 (DCTY)	Below 1 Ω

Fig 2: Checking Wire Harness (Front Door Courtesy Switch Lamp Assembly

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK: GO TO NEXT STEP 

1. Remove the unlock warning switch.
2. Measure the resistance of the switch.

   Standard: 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Switch Condition	Specified Condition
   1 - 2	Not pushed	10 kΩ or higher
   1 - 2	Pushed	Below 1 Ω

Fig 3: Inspecting Unlock Warning Switch Assembly

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE UNLOCK WARNING SWITCH ASSY 

OK: GO TO NEXT STEP 

1. Disconnect the U1 switch connector.
2. Disconnect the 1E J/B connector.
3. Measure the resistance of the wire harness side connectors.

   Standard: 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Specified Condition
   U1-2 - 1E-26 (KSW)	Below 1 Ω
   U1-1 - Body ground	Below 1 Ω

Fig 4: Checking Wire Harness (Unlock Warning Switch Assy - Instrument Panel J/B Assembly

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK: GO TO NEXT STEP 

1. After replacing the integration relay with a normally functioning relay, check that the power door lock operates normally.

   OK: Power door lock operates normally. 

NG: REPLACE INSTRUMENT PANEL J/B ASSY 

OK: NORMAL (INTEGRATION RELAY DEFECTIVE)