Subaru Legacy 2005 Service Manual page 3908

SECURITY AND LOCKS
Step
4 CHECK DOOR SWITCH.
Measure the resistance between door switch
terminals.
Connector & terminal
(R12) Front RH door switch:
(R9) Front LH door switch:
(R16) Rear RH door switch:
(R22) Rear LH door switch:
No. 1 — No. 3:
Rear gate latch switch (Wagon model):
(D46) No. 1 — No. 2:
8. CHECK KEY WARNING SWITCH
Step
1 CHECK FUSE.
Remove and visually check the fuse No. 14 (in
the main fuse box).
2 CHECK KEY WARNING SWITCH CIRCUIT.
1) Disconnect the harness connector of body
integrated module.
2) Insert the key into ignition switch. (LOCK
position)
3) Measure the voltage between the harness
connector terminal and chassis ground.
Connector & terminal
(B281) No. 7 (+) — Chassis ground (
3 CHECK KEY WARNING SWITCH CIRCUIT.
1) Remove the key from ignition switch.
2) Measure the voltage between the harness
connector terminal and chassis ground.
Connector & terminal
(B281) No. 7 (+) — Chassis ground (
4 CHECK KEY WARNING SWITCH.
1) Disconnect the key warning switch harness
connector.
2) Insert the key into ignition switch. (LOCK
position)
3) Measure the resistance between key warn-
ing switch terminals.
Connector & terminal
(B350) No. 3 — No. 4:
5 CHECK KEY WARNING SWITCH.
1) Remove the key from ignition switch.
2) Measure the resistance between key warn-
ing switch terminals.
Connector & terminal
(B350) No. 3 — No. 4:
Keyless Entry System
Check
Is the resistance less than 1 Ω
when door switch is released?
Check
Is the fuse blown out?
Is the voltage more than 10 V? Go to step 3.
−
):
Is the voltage 0 V?
−
):
Is the resistance less than 1
Ω?
Is the resistance more than 1
MΩ?
SL-22
Yes
Check the harness Replace the door
for open or short switch.
between body inte-
grated module and
door switch.
Yes
Replace the fuse Go to step 2.
with a new one.
Go to step 4.
The key warning Go to step 4.
switch is OK.
Go to step 5. Replace the key
warning switch.
Check the follow- Replace the key
ing: warning switch.
• Harness for
open circuits
and shorts
between the
key warning
switch and fuse
• Harness for
open or short
between the
body integrated
module and key
warning switch
No
No