Inspection Procedure

1. INSPECT STEERING LOCK ACTUATOR ASSEMBLY (STEERING LOCK ECU) 
   1. Measure the voltage according to the value(s) in the table below.

   Standard Voltage 

   VOLTAGE SPECIFIED CONDITIONS
   
   

   Tester Connection	Switch Condition	Specified Condition
   E39-4 (SLP1) - E39-2 (SGND)	Engine switch off Engine switch on (ACC or 16)	Below 1 V

   NG: CHECK SMART KEY SYSTEM (for Smart Function)  (See HOW TO PROCEED WITH TROUBLESHOOTING )

   Fig 1: Identifying Terminal SLP1 And SGND Of E39 Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   OK: Go to Next Step 

2. CHECK HARNESS AND CONNECTOR (STEERING LOCK ACTUATOR ASSEMBLY - MAIN BODY ECU) 
   1. Disconnect the E39 connector from the steering lock actuator assembly.
   2. Disconnect the E50 connector from the main body ECU.
   3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance 

   RESISTANCE SPECIFIED CONDITIONS
   
   

   Tester Connection	Condition	Specified Condition
   E39-4 (SLP1) - E50-18 (SLP)	Always	Below 1 Ω
   E39-4 (SLP1) - Body ground	Always	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

Fig 2: Identifying Steering Lock Actuator Assembly And Main Body ECU Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE  (See INITIALIZATION )