Inspection Procedure

1. Inspect the continuity of the key unlock warning switch.
   Fig 1: Inspecting Continuity Of Key Unlock Warning Switch

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard: 

NG: REPLACE UN-LOCK WARNING SWITCH ASSY 

OK 

1. Disconnect the B6 body ECU and U1 unlock warning switch connectors.
2. Check the continuity between the disconnected connector.
   Fig 2: Identifying Body ECU Connector B6 And Unlock Warning Switch Connector U1

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard: 

   UN-LOCK WARNING SWITCH - CONTINUITY TABLE
   
   

   Terminal No.	Specified condition
   B6-19 <==> U1-2	Continuity

3. Check the continuity between the unlock warning switch disconnected connector and the body ground.

   Standard: 

   UN-LOCK WARNING SWITCH - CONTINUITY TABLE
   
   

   Terminal No.	Specified condition
   U1-1 <==> Body Ground	Continuity

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK 

1. Inspect the continuity of the key unlock warning switch.
   Fig 3: Inspecting Continuity Of Key Unlock Warning Switch

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard: 

NG: REPLACE FRONT DOOR COURTESY LAMP SWITCH ASSY 

OK 

1. Disconnect the B8 body ECU and D6 front door courtesy lamp switch connectors.
2. Check the continuity between the disconnected connectors.
   Fig 4: Identifying Body ECU Connector B8 And Door Courtesy Lamp Switch Connector D6

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard: 

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK: REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSY