Inspection Procedure

INSPECT STEERING LOCK ACTUATOR ASSEMBLY (STEERING LOCK ECU)

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

Fig 1: Identifying Steering Lock Actuator Assembly Connectors

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard Voltage

VOLTAGE SPECIFICATION

Tester Connection	Condition	Specified Condition
J29-3 (IGE) - J29-1 (GND)	Specified condition is checked after performing the following: Turn the engine switch off Turn the engine switch on (ACC or IG)	Motor activated: Below 1 V Motor not activated: 10 to 12 V
J29-3 (IGE) - J29-1 (GND)	Specified condition is checked after performing the following: Move the shift lever to P Turn the engine switch off Open the driver's door	Motor activated: Below 1 V Motor not activated. 10 to 12 V

HINT:

The steering lock ECU and steering lock actuator assembly are supplied as a unit

NG: Go to step 2

OK: REPLACE STEERING LOCK ACTUATOR ASSEMBLY (STEERING LOCK ECU) (See DISASSEMBLY )

CHECK HARNESS AND CONNECTOR (STEERING LOCK ACTUATOR ASSEMBLY - BODY GROUND)

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

Standard Resistance

RESISTANCE SPECIFICATION

Tester Connection	Condition	Specified Condition
J29-1 (GND) - Body ground	Always	Below 1 Ω

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

Fig 2: Identifying Steering Lock Actuator Assembly Connectors

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to next step

CHECK HARNESS AND CONNECTOR (STEERING LOCK ACTUATOR ASSEMBLY POWER SOURCE CONTROL ECU)

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

Standard Resistance

RESISTANCE SPECIFICATION

Tester Connection	Condition	Specified Condition
J29-3 (IGE) - J55-32 (SLR+)	Always	Below 1 Ω
J29-3 (IGE) - Body ground	Always	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

Fig 3: Identifying Steering Lock Actuator And Power Source Control ECU Connector Terminals

OK: REPLACE POWER SOURCE CONTROL ECU