Subaru B9 TRIBECA WX 2007, Manual

Page: 785 / 861

SL-9
Door Lock Control System
SECURITY AND LOCKS
4. CHECK DOOR LOCK SWITCH
Step Check Yes No
1 CHECK DOOR LOCK SWITCH.
Check the input from door lock switch to body
integrated unit using Subaru Select Monitor.
1) Connect the Subaru Select Monitor to data
link connector.
2) Turn the ignition switch to ON.
3) Select {Integ. unit} from main menu.
4) Select the {Current Data Display & Save}.
5) Check the input to body integrated unit by
operating the door lock switch.
Is the normal input signal dis-
played when the door lock
switch is moved to LOCK/
UNLOCK? The door lock
switch is OK. Go to step
2
.
2 CHECK DOOR LOCK SWITCH CIRCUIT.
1) Disconnect the harness connector of body
integrated unit.
2) Measure the resistance between the har-
ness connector terminal and chassis ground
when moving the door lock switch to LOCK.
Connector & terminal
(i84) No. 15 — Chassis ground:
Is the resistance less than 10 Ω ? Go to step 3 . Go to step 4 .
3 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
(i84) No. 29 — Chassis ground:
Is the resistance less than 10
Ω
? The door lock
switch is OK.
Go to step 4 .
4 CHECK DOOR LOCK SWITCH.
1) Disconnect the door lock switch harness
connector (D7D or 125).
2) Measure the resistance between the door
lock switch terminals when moving the door
lock switch to LOCK.
Connector & terminal
Driver’s side:
(D7) No. 5 — No. 9:
Passenger’s side:
(D125) No. 2 — No. 5:
Is the resistance less than 1 Ω ? Go to step 5 . Replace the door
lock switch.
5 CHECK DOOR LOCK SWITCH.
Measure the resistance between the door lock
switch terminals when moving the door lock
switch to UNLOCK.
Connector & terminal
Driver’s side:
(D7) No. 5 — No. 8:
Passenger’s side:
(D125) No. 4 — No. 5:
Is the resistance less than 1
Ω
? Go to step 6 . Replace the door
lock switch.
6 CHECK HARNESS.
Measure the resistance between door lock
switch harness connector terminal and chassis
ground.
Connector & terminal
Driver’s side:
(D7) No. 5 — Chassis ground:
Passenger’s side:
(D125) No. 5 — Chassis ground:
Is the resistance less than 1
Ω
? Replace the door
lock switch.
Repair the open
circuit or chassis
short circuit of the
harness.
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