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8N - 4
POWER LOCKS
DOOR CYLINDER LOCK SWITCH (Continued)
INSTALLATION
(1) Install the Door Cylinder Lock Switch onto the
door lock cylinder.
(2) Connect the wiring clip and pigtail wire con-
nector.
(3) Install door trim panel (Refer to 23 - BODY/
DOOR - FRONT/TRIM PANEL - INSTALLATION).
(4) Connect the battery negative cable.
DOOR LOCK MOTOR
DIAGNOSIS AND TESTING - DOOR LOCK
MOTOR
Make certain battery is in normal condition before
circuits are tested.
To determine which motor is faulty, check each indi-
vidual door for electrical lock and unlock or disconnect
the motor connectors one at a time, while operating
the door lock switch. In the event that none of the
motors work, the problem maybe caused by a shorted
motor, a bad switch, or a bad relay. Disconnecting a
defective motor will allow the others to work.
To test an individual door lock motor, disconnect
the electrical connector from the motor. To lock the
door, connect a 12 volt power source to the positive
pin of the lock motor and a ground wire to the other
pin (Fig. 3). To unlock the door reverse the wire con-
nections at the motor pin terminals. If these results
are NOT obtained, replace the motor.
Fig. 3 DOOR LOCK MOTOR - TYPICAL
1 - PASSENGER SIDE CONNECTOR
2 - + TO LOCK
3 - DRIVER SIDE CONNECTOR
The door lock motor is integral to the door latch. If
found defective, the entire door latch must be
replaced.
DOOR LOCK / UNLOCK
SWITCH
DIAGNOSIS AND TESTING - DOOR LOCK /
UNLOCK SWITCH
VOLTAGE
The following wiring test sequence determines
whether or not voltage is continuous through the
body harness to switch.
(1) Remove switch from door trim panel.
(2) Carefully separate multiple terminal block on
wiring harness from switch body.
(3) Connect one lead of test light to a ground ter-
minal:
• Touch other test light lead to battery feed B+
terminal.
• If test light comes on, the wiring circuit between
the battery and switch is functional.
• If test light does not come on, check fuse 13 in
the Junction Block for a blown fuse. Refer to Wiring
Diagrams for circuit information.
DOOR LOCK SWITCH
Remove the switch from its mounting location.
Using an ohmmeter, refer to the DOOR LOCK
SWITCH CONTINUITY table to determine if the
continuity is correct in the LOCK and UNLOCK
switch positions. If these results are not obtained,
replace the switch.
DOOR LOCK SWITCH CONTINUITY
SWITCH
CONTINUITY
POSITION
BETWEEN
LOCK
1 AND 4
UNLOCK
1 AND 4
REMOVAL
(1) Disconnect and isolate the battery negative
remote cable.
(2) Remove door trim panel (Refer to 23 - BODY/
DOOR - FRONT/TRIM PANEL - REMOVAL).
(3) Disconnect switch wire connector.
(4) Remove switch using a trim stick (special tool
#C-4755) or equivalent.
INSTALLATION
(1) Install the switch by snapping into place.
(2) Connect switch wire connector.
JR
RESISTANCE
VALUE
2700
± 10%
620
± 10%
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