Inspection Procedure

1. Measure the voltage according to the value(s) in the table below.

   Standard voltage 

   TESTER CONNECTION SPECIFIED CONDITION TABLE
   
   

   Tester Connection	Switch Condition	Specified Condition
   D11-4 (SLP1) - D11-2 (SGND)	Engine switch off Engine switch on (ACC or IG)	Below 1 V

   Fig 1: Identifying Steering Lock ECU Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: Go to step   2 

OK: CHECK SMART KEY SYSTEM  (See HOW TO PROCEED WITH TROUBLESHOOTING )

1. Disconnect the D11 connector from the steering lock actuator assembly.
2. Disconnect the D8 connector from the main body ECU.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION TABLE
   
   

   Tester Connection	Switch Condition	Specified Condition
   D11-4 (SLP1) - D8-18 (SLP)	Always	Below 1 Ω
   D11-4 (SLP1) - Body ground	Always	10 kΩ or higher

   Fig 2: Identifying Steering Lock ECU & Main Body ECU Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE