Subaru impreza 2004 Quick Reference Manual page 14

SECURITY AND LOCKS
4. CHECK DOOR LOCK SWITCH AND CIRCUIT
Step
1 CHECK DOOR LOCK SWITCH CIRCUIT.
1)Disconnect the keyless entry control module
or double lock module harness connector.
2)Measure the resistance between the har-
ness connector terminal and chassis ground
when moving the door lock switch to LOCK.
Connector & terminal
Without double lock:
(B176) No. 10 — Chassis ground:
With double lock:
(B325) No. 7 — Chassis ground:
2 CHECK DOOR LOCK SWITCH CIRCUIT.
Measure the resistance between the harness
connector terminal and chassis ground when
the door lock switch is moved to UNLOCK.
Connector & terminal
Without double lock:
(B176) No. 8 — Chassis ground:
With double lock:
(B325) No. 4 — Chassis ground:
3 CHECK DOOR LOCK SWITCH.
1)Disconnect the door lock switch harness
connector.
2)Measure the resistance between the door
lock switch terminals when moving the door
lock switch to LOCK.
Connector & terminal
LHD model:
(D7) No. 5 — No. 9:
RHD model:
(D7) No. 1 — No. 15:
4 CHECK DOOR LOCK SWITCH.
Measure the resistance between the door lock
switch terminals when moving the door lock
switch to UNLOCK.
Connector & terminal
LHD model:
(D7) No. 5 — No. 8:
RHD model:
(D7) No. 1 — No. 16:
Door Lock Control System
Is the resistance less than 10
Ω?
Is the resistance less than 10
Ω?
Is the resistance less than 1
Ω?
Is the resistance less than 1
Ω?
SL-12
Check
Go to step 2.
The door lock
switch is OK.
Go to step 4.
Check the harness
for open circuits or
shorts between
the keyless entry
control module or
double lock mod-
ule and the door
lock switch.
Yes No
Go to step 3.
Go to step 3.
Replace the door
lock switch.
Replace the door
lock switch.