Power Source Circuit: Procedure

1. Disconnect the K28 connector from the steering lock actuator assembly.
   Fig 1: Identifying Steering Lock Actuator Assembly And Body Ground

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2. Measure the resistance according to the value(s) in the table below.

   Resistance

   Tester connection (Symbols)	Condition	Specified condition
   K28-1 (GND) - Body ground	Always	Below 1 Ω
   K28-2 (SGND) - Body ground	Always	Below 1 Ω

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Measure the voltage according to the value(s) in the table below.
   Fig 2: Checking Steering Lock Actuator Assembly And Battery

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Voltage

   Tester connection (Symbols)	Condition	Specified condition
   K28-7 (B) - K28-1 (GND)	Always	10 to 14 V
   K28-7 (B) - K28-2 (SGND)	Always	10 to 14 V

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

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR (STEERING LOCK ACTUATOR ASSEMBLY - BATTERY)