RX 300 FWD V6-3.0L (1MZ-FE) (1999)
Back Door:
INSPECT DOOR LOCK MOTOR OPERATION
a. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 3, and check that the door lock link moves to
UNLOCK position.
b
Reverse the polarity and check that the door lock link moves to LOCK position.
If operation is not as specified, replace the door lock assembly.
Using an ammeter:
INSPECT DRIVER'S DOOR PTC THERMISTOR OPERATION
a. Connect the negative (-) lead from the battery to term 2.
b. Connect the positive (+) lead from the ammeter to terminal 1 and the negative (-) lead to battery negative (-) terminal, and check that the current
changes from approximately 3.2 A to less than 0.5 A within 20 to 70 seconds.
c. Disconnect the leads from terminals.
d. Approximately 60 seconds later, connect the positive (+) lead from the battery to terminal 2 and the negative (-) lead to terminal 1, and check that
the door lock moves to the LOCK position.
If operation is not as specified, replace the door lock assembly.
Using an ammeter:
INSPECT PASSENGER'S DOOR PTC THERMISTOR OPERATION