Check Lifting Switch (Rear) Circuit

With CONSULT-II 

With "LIFT RR SW-UP, LIFT RR SW-DN" on the DATA MONITOR, operate the lifting switch (rear) to check ON/OFF operation.

Fig 1: CONSULT II Display - DATA MONITOR

Without CONSULT-II 

1. Turn ignition switch OFF.
2. Check voltage between driver seat control unit connector and ground.
   VOLTAGE SPECIFICATION
   
   

   Driver seat control unit connector	Terminals		Condition	Voltage (V) (Approx.)
   	(+)	(-)
   B204	14	Ground	Lifting switch (rear) ON (DOWN operation)	0
   			Other than above	Battery voltage
   	29		Lifting switch (rear) ON (UP operation)	0
   			Other than above	Battery voltage

   Fig 2: Checking Voltage Between Driver Seat Control Unit Connector And Ground

   

OK or NG 

OK: Lifting switch (rear) circuit is OK.

NG: GO TO 2.

1. Disconnect driver seat control unit and power seat switch connector.
2. Check continuity between driver seat control unit connector and power seat switch connector.
   CONTINUITY SPECIFICATION
   
   

   A		B		Continuity
   Driver seat control unit connector	Terminal	Power seat switch connector	Terminal
   B204	14	B213	14	Yes
   	29		29

3. Check continuity between driver seat control unit connector and ground.
   CONTINUITY SPECIFICATION
   
   

   A		Ground	Continuity
   Driver seat control unit connector	Terminal
   B204	14		No
   	29

   Fig 3: Checking Continuity Between Driver Seat Control Unit Connector And Ground

   

OK or NG 

OK: GO TO 3.

NG: Repair or replace harness.

Check continuity between power seat switch as follows.

Fig 4: Checking Continuity Between Power Seat Switch

OK or NG 

OK: Replace driver seat control unit.

NG: Replace power seat switch.