LEXUS LS430 2003 Factory Repair Manual

OK: "ON" (cam position switch 1 to 3 is ON) appears on the screen.
NG: Go to step 2
OK: REPLACE DRIVER DOOR ECU
2.CHECK FRONT DOOR LOCK ASSY LH (CAM POSITION SWITCH)
a. Measure the switch resistance.
Standard:
Fig. 28: Terminals Resistance Reference Chart

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
CAM
POS
SW1Cam position switch 1 (OFF/ON)Refer to system description of closer
motor and position switch (SEE
SYSTEM DESCRIPTION
)
-

Fig. 29: Checking Front Door Lock Assy LH (Cam Position Switch)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Refer to the system description for the ON/OFF patterns of the cam position switch (SEE SYSTEM
DESCRIPTION ).
NG: REPLACE FRONT DOOR LOCK ASSY LH
OK: REPLACE DRIVER DOOR ECU
CIRCUIT DESCRIPTION
This DTC is output when a malfunction is detected in the cam position circuit.

Fig. 30: Door Closer Motor Malfunction On Passenger Side Door - Description Chart
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
WIRING DIAGRAM
Fig. 31: Door Closer Motor Malfunction On Passenger Side Door
- Wiring Diagram
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
INSPECTION PROCEDURE
1.READ VALUE OF DATA LIST (CAM POSITION SWITCH)
a. Check the DATA LIST for proper functioning of the cam position switches.
PASSENGER DOOR ECU
Item
Measurement item/ Display
(Range)
Normal ConditionDiagnostic Note
CAM
POS SW3Cam position switch 3
(OFF/ON)Refer to system description of closer
motor and position switch (SEE
SYSTEM DESCRIPTION
)
-
CAM
POS SW2Cam position switch 2
(OFF/ON)Refer to system description of closer
motor and position switch (SEE
SYSTEM DESCRIPTION
)
-

OK: "ON" (cam position switch 1 to 3 is ON) appears on the screen.
NG: Go to step 2
OK: REPLACE PASSENGER DOOR ECU
2.CHECK FRONT DOOR LOCK ASSY RH (CAM POSITION SWITCH)
Standard:
Fig. 32: Terminals Resistance Reference Chart

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
CAM
POS SW1Cam position switch 1
(OFF/ON)Refer to system description of closer
motor and position switch (SEE
SYSTEM DESCRIPTION
)
-

Fig. 33: Checking Front Door Lock Assy RH (Cam Position Switch)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Refer to the system description for the ON/OFF patterns of the cam position switch (SEE SYSTEM
DESCRIPTION ).
NG: REPLACE FRONT DOOR LOCK ASSY RH
OK: REPLACE PASSENGER DOOR ECU
CIRCUIT DESCRIPTION
This DTC is output when a malfunction is detected in the cam position circuit.

Fig. 34: Door Closer Motor Malfunction On Rear Right Side Door - Description Chart
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
WIRING DIAGRAM
Fig. 35: Door Closer Motor Malfunction On Rear Right Side Door
- Wiring Diagram
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
INSPECTION PROCEDURE
1.READ VALUE OF DATA LIST (CAM POSITION SWITCH)
a. Check the DATA LIST for proper functioning of the cam position switches.
REAR DOOR ECU RH
Item
Measurement item/ Display
(Range)
Normal ConditionDiagnostic Note
CAM POS
SW3Cam position switch 3
(OFF/ON)Refer to system description of closer
motor and position switch (see
SYSTEM DESCRIPTION
)
-
CAM POS
SW2Cam position switch 2
(OFF/ON)Refer to system description of closer
motor and position switch (SEE
SYSTEM DESCRIPTION
)
-
CAM POS
SW1Cam position switch 1
(OFF/ON)Refer to system description of closer
motor and position switch (SEE -

OK: "ON" (cam position switch 1 to 3 is ON) appears on the screen.
NG: Go to step 2
OK: REPLACE REAR DOOR ECU RH
2.CHECK REAR DOOR LOCK ASSY RH (CAM POSITION SWITCH)
a. Measure the switch resistance.
Standard:
Fig. 36: Terminals Resistance Reference Chart

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
SYSTEM DESCRIPTION )

Fig. 37: Checking Rear Door Lock Assy RH (Cam Position Switch)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Refer to the system description for the ON/OFF patterns of the cam position switch (SEE SYSTEM
DESCRIPTION ).
NG: REPLACE REAR DOOR LOCK ASSY RH
OK: REPLACE REAR DOOR ECU RH
CIRCUIT DESCRIPTION
This DTC is output when a malfunction is detected in the cam position circuit.

Fig. 38: Door Closer Motor Malfunction On Rear Left Side Door - Description Chart
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
WIRING DIAGRAM
Fig. 39: Door Closer Motor Malfunction On Rear Left Side Door
- Wiring Diagram
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
INSPECTION PROCEDURE
1.READ VALUE OF DATA LIST (CAM POSITION SWITCH)
a. Check the DATA LIST for proper functioning of the cam position switches.
REAR DOOR ECU LH
Item
Measurement item/ Display
(Range)
Normal ConditionDiagnostic Note
CAM POS
SW3Cam position switch 3
(OFF/ON)Refer to system description of closer
motor and position switch (SEE
SYSTEM DESCRIPTION
)
-
CAM POS
SW2Cam position switch 2
(OFF/ON)Refer to system description of closer
motor and position switch (SEE
SYSTEM DESCRIPTION
)
-
CAM POS
SW1Cam position switch 1
(OFF/ON)Refer to system description of closer
motor and position switch (SEE -

OK: "ON" (cam position switch 1 to 3 is ON) appears on the screen.
NG: Go to step 2
OK: REPLACE REAR DOOR ECU LH
2.CHECK REAR DOOR LOCK ASSY LH (CAM POSITION SWITCH)
a. Measure the switch resistance.
Standard:
Fig. 40: Terminals Resistance Reference Chart

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
SYSTEM DESCRIPTION )