Subaru impreza 2004 Quick Reference Manual page 19

2. CHECK TRANSMITTER BATTERY
Step
1 CHECK TRANSMITTER BATTERY.
1)Remove the battery from transmitter. <Ref.
to SL-43, REMOVAL, Keyless Transmitter.>
2)Check the battery voltage. <Ref. to SL-43,
INSPECTION, Keyless Transmitter.>
3. CHECK FUSE
Step
1 CHECK FUSE.
Remove and visually check the fuse No. 2 (in
the main fuse box), No. 3 (in the fuse and relay
box) and SBF-6 (in the main fuse box).
4. CHECK POWER SUPPLY AND GROUND CIRCUIT
Step
1 CHECK POWER SUPPLY.
1)Disconnect the keyless entry control module
harness connector.
2)Measure the voltage between harness con-
nector terminal and chassis ground.
Connector & terminal
(B176) No. 5, No. 16 (+) — Chassis
ground (–):
2 CHECK GROUND CIRCUIT.
Measure the resistance between harness con-
nector terminal and chassis ground.
Connector & terminal
(B176) No. 6, No. 14 — Chassis ground:
Keyless Entry System
Check
Is the voltage more than 2 V?
Check
Is the fuse blown out?
Check
Is the voltage more than 10 V? Go to step 2.
Is the resistance less than 10
Ω?
SL-17
SECURITY AND LOCKS
Yes
Further inspection Replace the trans-
is necessary, refer mitter battery.
to "SYMPTOM
CHART". <Ref. to
SL-16, SYMP-
TOM CHART,
INSPECTION,
Keyless Entry Sys-
tem.>
Yes
Replace the fuse Check the power
with a new one. supply and ground
circuit. <Ref. to
SL-17, CHECK
POWER SUPPLY
AND GROUND
CIRCUIT,
INSPECTION,
Keyless Entry Sys-
tem.>
Yes
Check the harness
for open circuits or
shorts between
keyless entry con-
trol module and
fuse.
The power supply Repair the har-
and ground circuit ness.
are OK.
No
No
No