Inspection Procedure

1. Disconnect the unlock warning switch connector.
2. Measure the resistance according to the value(s) in UN-LOCK WARNING SWITCH ASSEMBLY  .

   Standard resistance 

   UN-LOCK WARNING SWITCH ASSEMBLY
   
   

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

   Fig 1: Checking Un-Lock Warning Switch Assembly

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE UN-LOCK WARNING SWITCH ASSEMBLY 

OK: GO TO NEXT STEP 

1. Disconnect the T3 TVIP ECU connector.
2. Disconnect the U1 unlock warning switch connector.
3. Measure the resistance according to the value(s) in TVIP ECU - UN-LOCK WARNING SWITCH  .

   Standard resistance 

   TVIP ECU - UN-LOCK WARNING SWITCH
   
   

   Tester Connection	Specified Condition
   KSW (T3-12) - U1-2	Below 1 Ω

   Fig 2: Checking Harness And Connector (TVIP ECU - Un-Lock Warning Switch)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: GO TO NEXT STEP 

1. Disconnect the unlock warning switch connector.
2. Measure the resistance according to the value(s) in UN-LOCK WARNING SWITCH - BODY GROUND  .

   Standard resistance 

   UN-LOCK WARNING SWITCH - BODY GROUND
   
   

   Tester Connection	Specified Condition
   U1-1 - Body ground	Below 1 Ω

   Fig 3: Checking Harness And Connector (Un-Lock Warning Switch - Body Ground)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: REPLACE TVIP ECU