Inspection Procedure

1. Disconnect the unlock warning switch connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

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

NG: REPLACE UN-LOCK WARNING SWITCH ASSEMBLY 

Fig 1: Inspecting Un-Lock Warning Switch Assembly

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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 the table below.

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

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

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

Fig 2: Identifying T3 TVIP ECU Connector And U1 Unlock Warning Switch Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : Go to Next Step 

1. Disconnect the unlock warning switch connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

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

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

Fig 3: Identifying Unlock Warning Switch Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : REPLACE TVIP ECU