Steering Lock Solenoid Check

INTELLIGENT KEY SYSTEM

Steering Lock Solenoid Check


1. CHECK STEERING LOCK SOLENOID POWER SUPPLY

1.Turn ignition switch OFF.
2.Disconnect steering lock solenoid connector.
3.Check voltage between steering lock solenoid harness connector M27 terminal 1 and ground.





1 - Ground: Battery voltage
OK or NG
OK- GO TO 2.
NG- Repair or replace steering lock solenoid power supply circuit.

2. CHECK STEERING LOCK SOLENOID GROUND CIRCUIT

Check continuity between steering lock solenoid harness connector M27 terminal 4 and ground.





4 - Ground: Continuity should exist.
OK or NG
OK- GO TO 3.
NG- Repair or replace the steering lock solenoid ground circuit.

3. CHECK INTELLIGENT KEY UNIT OUTPUT SIGNAL

1.Connect steering lock solenoid connector.
2.Check voltage between Intelligent Key unit harness connector M42 terminal 1 and ground.





1 - Ground: Approx. 5V
OK or NG
OK- GO TO 4.
NG- Replace Intelligent Key unit. Service and Repair .

4. CHECK STEERING LOCK COMMUNICATION SIGNAL

Check signal between Intelligent Key unit connector M42 terminal 32 and ground with oscilloscope.










OK or NG
OK- GO TO 5.
NG- Replace Intelligent Key unit. Service and Repair .

5. CHECK STEERING LOCK SOLENOID COMMUNICATION CIRCUIT

1.Disconnect Intelligent Key unit and steering lock solenoid connectors.
2.Check continuity between Intelligent Key unit harness connector M42 (B) terminals 1, 32 and steering lock solenoid connector M27 (A) terminals 2, 3.





1 - 2: Continuity should exist.
32 - 3: Continuity should exist.
3.Check continuity between steering lock solenoid harness connector M27 (A) terminals 2, 3 and ground.
2 - Ground: Continuity should not exist.
3 - Ground: Continuity should not exist.
OK or NG
OK-Replace steering lock solenoid.
- After replacing steering lock solenoid, perform registration procedure. System Description .
NG- Repair or replace harness between steering lock solenoid and Intelligent Key unit.