Check Sliding Sensor Circuit

With CONSULT-II 

Check operation with "SLIDE PULSE" on the DATA MONITOR to make sure the pulse changes.

Fig 1: CONSULT II Display - DATA MONITOR

Without CONSULT-II 

1. Turn ignition switch OFF.
2. Check signal between driver seat control unit connector and ground, with oscilloscope.
   CONNECTOR TERMINAL SIGNAL SPECIFICATION
   
   

   Driver seat control unit connector	Terminals		Condition	Signal (Reference value)
   	(+)	(-)
   B204	24	Ground	Sliding motor operation

   Fig 2: Checking Signal Between Driver Seat Control Unit Connector And Ground, With Oscilloscope

   

OK or NG 

OK: Sliding sensor circuit is OK.

NG: GO TO 2.

1. Disconnect driver seat control unit connector and sliding sensor front lifting sensor connector.
2. Check continuity between driver seat control unit connector and sliding sensor front lifting sensor connector.
   CONTINUITY SPECIFICATION
   
   

   A		B		Continuity
   Driver seat control unit connector	Terminal	Sliding sensor front lifting sensor connector	Terminal
   B204	24	B214	24	Yes
   	31		31

3. Check continuity between driver seat control unit connector and ground.
   Fig 3: Checking Continuity Between Driver Seat Control Unit Connector And Ground

   
   CONTINUITY SPECIFICATION
   
   

   A		Ground	Continuity
   Driver seat control unit connector	Terminal
   B204	24		No
   	31

OK or NG 

OK: GO TO 3.

NG: Repair or replace harness.

1. Connect driver seat control unit connector.
2. Check voltage between driver seat control unit connector and ground.
   VOLTAGE SPECIFICATION
   
   

   Terminals			Voltage (V) (Approx.)
   (+)		(-)
   Driver seat control unit connector	Terminal
   B204	24	Ground	5

OK or NG 

OK: Replace sliding sensor front lifting sensor.

NG: Replace automatic drive positioner control unit.

Fig 4: Checking Voltage Between Driver Seat Control Unit Connector And Ground