Unlock Position Sensor Signal Circuit (08/2010 - 08/2011): Procedure

INSPECT STEERING LOCK ECU

Fig 1: Identifying E26 Steering Lock ECU Connector

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

Standard Voltage

Tester Connection	Condition (Steering Lock Position)	Specified Condition
E26-4 (SLP1) - E26-2 (SGND)	Locked	11 to 14 V
E26-4 (SLP1) - E26-2 (SGND)	Unlocked	Below 1 V

NG → See step 3

OK → See step 2

GO TO SMART ACCESS SYSTEM WITH PUSH-BUTTON START (FOR START FUNCTION) (HOW TO PROCEED WITH TROUBLESHOOTING). Refer to HOW TO PROCEED WITH TROUBLESHOOTING

CHECK HARNESS AND CONNECTOR (STEERING LOCK ECU - MAIN BODY ECU)

Fig 2: Identifying E26 Steering Lock ECU Connector And E1 Main Body ECU Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

Standard Resistance

Tester Connection	Condition	Specified Condition
E26-4 (SLP1) - E1-18 (SLP)	Always	Below 1 Ω
E26-4 (SLP1) or E1-18 (SLP) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR

OK → See step 4