STEERING LOCK UNIT INSPECTION [WITH ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM]

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1.  Remove the column cover. (See COLUMN COVER REMOVAL/INSTALLATION.)

2.  Measure each terminal voltage under the measurement condition.

•  If the voltage is not as specified in the terminal voltage table, inspect the parts under “Inspection item(s)”.

―  If the system does not work normally even though the inspection items are normal, replace the steering lock unit.

Terminal Voltage Table (Reference)

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Terminal	Signal name	Connected to	Measurement condition	Voltage (V)	Inspection item(s)
A	―	―	―	―	―
B	Steering lock unit ground	Keyless control module	During steering lock unit operation	1.0 or less	•  Keyless control module •  Related wiring harness
			Except above	Approx. 3.0
C	Serial communication	Keyless control module	Terminal used for communication therefore determination based on terminal voltage inspection not possible.
D	―	―	―	―	―
E	UNLOCK output	Keyless control module	Steering wheel is locked	B+	•  Keyless control module •  Related wiring harness
			Steering wheel is unlocked	1.0 or less
F	Power supply	Keyless control module	Steering lock unit is operating	B+	•  Keyless control module •  Related wiring harness
			Except above	1.0 or less
G	―	―	―	―	―
H	Ground	Body ground	Under any condition	1.0 or less	•  Related wiring harness