Subaru Legacy 2002 Service Manual page 3013

Security and Locks
5. CHECK DOOR LOCK ACTUATOR AND
CIRCUIT
S909348A1005
No.
1 CHECK OUTPUT SIGNAL.
Measure the voltage between the harness
connector terminal and chassis ground when
moving the door lock knob to LOCK.
Connector & terminal
(B176) No. 18 (+) — Chassis ground
(–):
2 CHECK OUTPUT SIGNAL.
Measure the voltage between the harness
connector terminal and chassis ground when
moving the door lock knob to UNLOCK.
Connector & terminal
(B176) No. 17 (+) — Chassis ground
(–):
3 CHECK DOOR LOCK ACTUATOR.
Check the door lock actuator.
Front door lock actuator: <Ref. to SL-22,
Front Door Lock Actuator.>
Rear door lock actuator: <Ref. to SL-26, Rear
Door Lock Actuator.>
Rear gate latch lock actuator: <Ref. to SL-29,
Rear Gate Latch Lock Actuator.>
DOOR LOCK CONTROL SYSTEM
Step
Is the voltage more than 10
V?
Is the voltage more than 10
V?
Is the door lock actuator
OK?
SL-10
Check Yes
Go to step 2.
Go to step 3.
Check the har-
ness for open cir-
cuits or shorts
between the key-
less entry control
module and the
door lock actuator.
No
Replace the key-
less entry control
module.
Replace the key-
less entry control
module.
Replace the door
lock actuator.