Subaru 2001 Forester Service Manual page 25

Security and Locks
6. CHECK DOOR SWITCH
No.
1 CHECK DOOR SWITCH CIRCUIT.
Measure the voltage between the keyless
entry control module harness connector termi-
nal and chassis ground.
Connector & terminal
(B176) No. 3 (+) — Chassis ground (–):
2 CHECK DOOR SWITCH CIRCUIT.
Measure the voltage between the keyless
entry control module harness connector termi-
nal and chassis ground.
Connector & terminal
(B176) No. 3 (+) — chassis ground (–):
3 CHECK DOOR SWITCH.
1) Disconnect the door switch harness con-
nector.
2) Check the continuity between the door
switch terminal and chassis ground.
Terminal
Front LH No. 1 — Chassis ground:
Front RH No. 1 — Chassis ground:
Rear LH No. 1 — Chassis ground:
Rear RH No. 1 — Chassis ground:
Rear gate No. 1 — No. 2:
4 CHECK DOOR SWITCH.
Check continuity between the door switch ter-
minal and chassis ground.
Terminal
Front LH No. 1 — Chassis ground:
Front RH No. 1 — Chassis ground:
Rear LH No. 1 — Chassis ground:
Rear RH No. 1 — Chassis ground:
Rear gate No. 1 — No. 2:
7. CHECK KEY WARNING SWITCH
No.
1 CHECK FUSE.
Remove and visually check fuse No. 6 (in the
main fuse box).
2 CHECK KEY WARNING SWITCH CIRCUIT.
1) Disconnect the keyless entry control mod-
ule harness connector.
2) Insert the key into the ignition switch.
(LOCK position)
3) Measure the voltage between the harness
connector terminal and chassis ground.
Connector & terminal
(B176) No. 1 (+) — chassis ground (–):
3 CHECK KEY WARNING SWITCH CIRCUIT.
1) Remove the key from the ignition switch.
2) Measure the voltage between the harness
connector terminal and chassis ground.
Connector & terminal
(B176) No. 1 (+) — chassis ground (–):
KEYLESS ENTRY SYSTEM
S909345A1007
Step
Is the voltage 0 V when
each door and rear gate is
opened?
Is the voltage more than 10
V when each door and rear
gate is closed?
Does continuity exist when
the door switch is pushed?
Does continuity exist when
the door switch is
released?
S909345A1008
Step
Is the fuse blown? (15A)
Is the voltage more than 10
V?
Is the voltage 0 V?
SL-24
Check Yes
Go to step 2.
The door switch is
OK.
Replace the door
switch.
Check the har-
ness for open cir-
cuits and shorts
between the key-
less entry control
module and door
switch.
Check Yes
Replace the fuse
with a new one.
Go to step 3.
The key warning
switch is OK.
No
Go to step 3.
Go to step 3.
Go to step 4.
Replace the door
switch.
No
Go to step 2.
Go to step 4.
Go to step 4.