STEERING LOCK UNIT INSPECTION [WITH ADVANCED KEYLESS AND 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
Push switch signal
Keyless control module
Start knob is pressed
B+
•  Keyless control module
•  Related wiring harness
Start knob is not pressed
1.0 or less
B
Power supply
Fuse
Under any condition
B+
•  Fuse
•  Related wiring harness
C
Key reminder switch signal
Keyless control module
Key is inserted
B+
•  Keyless control module
•  Related wiring harness
Key is not inserted
1.0 or less
D
―
―
―
−
−
E
Power supply
Fuse
Under any condition
B+
•  Fuse
•  Related wiring harness
F
―
―
―
―
―
G
Serial communication
Keyless control module
Terminal used for communication therefore determination based on terminal voltage inspection not possible.
H
Ground
Body ground
Under any condition
1.0 or less
•  Related wiring harness