Steering Lock Solenoid Check

1. Turn ignition switch OFF.
2. Disconnect steering lock solenoid connector.
3. Check voltage between steering lock solenoid and ground.
   CONNECTOR TERMINAL VOLTAGE SPECIFICATIONS
   
   

   Terminals			Voltage (V) (Approx.)
   (+)		(-)
   Steering lock solenoid	Terminal
   M6	1	Ground	Battery voltage

OK or NG 

OK >> GO TO 2.

NG >> Repair or replace steering lock solenoid power supply circuit.

Fig 1: Checking Steering Lock Solenoid Power Supply

Check continuity between steering lock solenoid and ground.

OK or NG 

OK >> GO TO 3.

NG >> GO TO  6.

Fig 2: Checking Steering Lock Solenoid Ground Circuit

1. Connect steering lock solenoid connector.
2. Check voltage between Intelligent Key unit and ground.
   CONNECTOR TERMINAL VOLTAGE SPECIFICATIONS
   
   

   Terminals			Voltage (V) (Approx.)
   (+)		(-)
   Intelligent Key unit connector	Terminal
   M52	1	Ground	5

OK or NG 

OK >> GO TO 4.

NG >> Replace Intelligent Key unit. Refer to "REMOVAL AND INSTALLATION OF INTELLIGENT KEY UNIT ".

Fig 3: Checking Intelligent Key Unit Output Signal

Check signal between Intelligent Key unit and ground with oscilloscope.

Terminals			Condition of key switch	Voltage (V) (Approx.)
(+)		(-)
Intelligent Key unit connector	Terminal
M52	32	Ground	Ignition switch is pressed, when Intelligent Key is into the vehicle.
			Other than above	5

Fig 4: Checking Steering Lock Communication Signal

OK or NG 

OK >> GO TO 5.

NG >> Replace Intelligent Key unit. Refer to "REMOVAL AND INSTALLATION OF INTELLIGENT KEY UNIT ".

1. Disconnect Intelligent Key unit and steering lock solenoid connectors.
2. Check continuity between Intelligent Key unit and steering lock solenoid.
   CONNECTOR TERMINAL CONTINUITY SPECIFICATIONS
   
   

   A		B		Continuity
   Intelligent Key unit connector	Terminal	Steering lock solenoid connector	Terminal
   M52	1	M6	2	Yes
   	31		4
   	32		3

3. Check continuity between steering lock solenoid and ground.
   CONNECTOR TERMINAL CONTINUITY SPECIFICATIONS
   
   

   A		Ground	Continuity
   Intelligent Key unit connector	Terminal
   M52	1		No
   	31
   	32

   Fig 5: Checking Steering Lock Solenoid Communication Circuit

   

OK or NG 

OK >> Replace steering lock solenoid.

NG >> Repair or replace harness between steering lock solenoid and Intelligent Key unit.

1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit and steering lock solenoid.
   CONNECTOR TERMINAL CONTINUITY SPECIFICATIONS
   
   

   A		B		Continuity
   Intelligent Key unit connector	Terminal	Steering lock solenoid connector	Terminal
   M52	31	M6	4	Yes

3. Check continuity between steering lock solenoid and ground.
   CONNECTOR TERMINAL CONTINUITY SPECIFICATIONS
   
   

   A		Ground	Continuity
   Intelligent Key unit connector	Terminal
   M52	31		No

   Fig 6: Checking Steering Lock Solenoid Ground Circuit

   

OK or NG 

OK >> Check the following.

• Intelligent Key unit ground circuit.
• Intelligent Key unit.

NG >> Repair or replace harness between steering lock solenoid and Intelligent Key unit.