2003 LEXUS LS430 Factory Repair Manual

Page 2257 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 72: Inspecting Front Door Lock Assy LH (Position Switch)

Page 2258 of 4500

LEXUS LS430 2003  Factory Repair Manual Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
NG: REPLACE FRONT DOOR LOCK ASSY LH  
OK: Go to Next Step.  
3.INSPECT FRONT DOOR LOCK ASSY LH (DOOR CLOSER MOTOR) 
a. Disconnect the F23 ECU connector.

Page 2259 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 73: Inspecting Front Door Lock Assy LH (Door Closer Motor)

Page 2260 of 4500

LEXUS LS430 2003  Factory Repair Manual Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
NG: REPLACE FRONT DOOR LOCK ASSY LH  
OK: REPLACE DRIVER DOOR ECU  
CIRCUIT DESCRIPTION 
The door lock assembly has a built-in door closer motor. 
The door

Page 2261 of 4500

LEXUS LS430 2003  Factory Repair Manual SPECIFIED CONDITION 
Measurement ConditionSpecified Condition
Battery positive (+) --> Terminal 2 Battery negative (-) --> 
Terminal 1Moves to LOCK
Battery positive (+) --> Terminal 1 Battery negative

Page 2262 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 75: Inspecting Front Door Lock Assy RH (Door Lock Motor) 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
NG: REPLACE FRONT DOOR LOCK ASSY RH

Page 2263 of 4500

LEXUS LS430 2003  Factory Repair Manual OK: Go to Next Step.  
2.INSPECT FRONT DOOR LOCK ASSY RH (POSITION SWITCH) 
a. Disconnect the F24 ECU connector.  
b. Measure the resistance of the position switch.  
TERMINALS RESISTANCE REFERENCE 
T

Page 2264 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 76: Inspecting Front Door Lock Assy RH (Position Switch) 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.