Inspection Procedure

1. Remove the security indicator.
2. Apply battery voltage and check that the security indicator turns on.

   Standard resistance 

   SECURITY INDICATOR LIGHT ASSEMBLY
   
   

   Measurement Condition	Specified Condition
   Battery positive (+) - Terminal 2 Battery negative (-) - Terminal 1	Security indicator turns on

   Fig 1: Checking Security Indicator Light Assembly

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE SECURITY INDICATOR LIGHT ASSEMBLY 

OK: GO TO NEXT STEP 

1. Disconnect the TVIP ECU and security indicator connectors.
2. Measure the resistance according to the value(s) in TVIP ECU - SECURITY INDICATOR  .

   Standard resistance 

   TVIP ECU - SECURITY INDICATOR
   
   

   Tester Connection	Specified Condition
   IND (T3-25) - IND (S4-2)	Below 1 Ω

   Fig 2: Checking Harness And Connector (TVIP ECU - Security Indicator)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: GO TO NEXT STEP 

1. Disconnect the security indicator connector.
2. Measure the resistance according to the value(s) in SECURITY INDICATOR - BODY GROUND  .

   Standard resistance 

   SECURITY INDICATOR - BODY GROUND
   
   

   Tester Connection	Specified Condition
   GND (S4-2) - Body ground	Below 1 Ω

   Fig 3: Checking Harness And Connector (Security Indicator - Body Ground)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: REPLACE TVIP ECU