Unlock Position Sensor Signal Circuit [09/2015 - ]: Procedure

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   Standard voltage

   Tester Connection	Condition (Steering Lock Position)	Specified Condition
   4 (SLP1) - 2 (SGND)	Locked	11 to 14 V
   4 (SLP1) - 2 (SGND)	Unlocked	Below 1 V

Result:  OK

OK 

GO TO SMART ACCESS SYSTEM WITH PUSH-BUTTON START (HOW TO PROCEED WITH TROUBLESHOOTING) 

(Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2015 - ] )

Result:  NG

NG 

See step  2

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the L33 steering lock ECU connector.
2. Disconnect the L13 main body ECU connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   L33-4 (SLP1) - L13-18 (SLP)	Always	Below 1 Ω
   L33-4 (SLP1) or L13-18 (SLP) - Body ground	Always	10 kΩ or higher

Result:  OK

OK 

REPLACE STEERING LOCK ACTUATOR (STEERING LOCK ECU) 

(Refer to PROCEDURE - Step 1 )

Result:  NG

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR