LEXUS LS430 2003 Factory Repair Manual

NG: REPLACE REAR DOOR LOCK ASSY RH
OK: REPLACE REAR DOOR ECU RH
1.INSPECT BASIC OPERATION
a. When a door (driver, passenger, rear left or rear right door) is partially closed (ajar), check that the
motor operates so that the door is fully closed (locked).
b. After the above step, check that the door can be opened.
1.INSPECT DOOR CLOSER MOTOR ASSY (DRIVER SIDE)
a. Apply battery voltage and check operation of the door lock link.
SPECIFIED CONDITION
If the result is not as specified, replace the motor ass
y.
Measurement ConditionSpecified Condition
Battery positive (+) --> Terminal 5 Battery negative (-) -->
Terminal 6Moves to FULL
Battery positive (+) --> Terminal 6 Battery negative (-) -->
Terminal 5Moves to INITIAL

Fig. 86: Inspecting Door Closer Motor Assy (Driver Side)

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
2.INSPECT COMBINATION SWITCH ASSY (DRIVER SIDE)
a. Measure the resistance of the half latch and full latch switches.
TERMINALS RESISTANCE REFERENCE
If the result is not as specified, replace the switch ass
y.
Tester ConnectionConditionSpecified Condition
1 - 5Door openBelow 1 ohms
1 - 5Half latch10 kohms or higher
1 - 5Door close10 kohms or higher
4 - 5Door openBelow 1 ohms
4 - 5Half latchBelow 1 ohms
4 - 5Door closed10 kohms or higher

Fig. 87: Inspecting Combination Switch Assy (Driver Side)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b. Measure the resistance of the pawl switch.
TERMINALS RESISTANCE REFERENCE
If the result is not as specified, replace the switch ass
y.
Tester ConnectionConditionSpecified Condition
2 - 5Link not pushed10 kohms or higher
2 - 5Link pushedBelow 1 ohms

Fig. 88: Inspecting Combination Switch Assy (Driver Side)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
3.INSPECT DOOR CLOSER MOTOR ASSY (PASSENGER SIDE)
a. Appl
y battery voltage and check operation of the door closer link.

SPECIFIED CONDITION
If the result is not as specified, replace the motor assy.
Measurement ConditionSpecified Condition
Battery positive (+) --> Terminal 5 Battery negative (-) -
-> Terminal 6Moves to FULL
Battery positive (+) --> Terminal 6 Battery negative (-) -
-> Terminal 5Moves to INITIAL

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Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

4.INSPECT COMBINATION SWITCH ASSY (PASSENGER SIDE)
a. Measure the resistance of the half latch and full latch switch.
TERMINALS RESISTANCE REFERENCE
If the result is not as specified, replace the switch ass
y.
Tester ConnectionConditionSpecified Condition
1 - 5Door openBelow 1 ohms
1 - 5Half latch10 kohms or higher
1 - 5Door close10 kohms or higher
4 - 5Door openBelow 1 ohms
4 - 5Half latchBelow 1 ohms
4 - 5Door closed10 kohms or higher

Fig. 90: Inspecting Combination Switch Assy (Passenger Side)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.